8-K 1 mst04008_dec.txt DECEMBER 8K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington D. C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 27, 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 December 27, 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 December 27, 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: 1/5/2005 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 December 27, 2004 distribution. EX-99.1

Mortgage Asset Securitization Transactions, Inc. Mortgage Pass-Through Certificates Record Date: 1011/3130/042004 Distribution Date: 1112/2627/042004 ~~MASTR~~Mortgage Asset Securitization Transactions, Inc. Mortgage Pass-Through Certificates 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% 68,~~628~~335,~~571~~786.5628 ~~271~~270,~~654~~495.7682 ~~292~~305,~~785~~616.2995 2-A-1 57643MEF7 SEN 5.00000% ~~175~~174,~~594~~781,~~778~~089.7425 ~~731~~728,~~644~~254.9154 ~~813~~1,~~689~~828,218.4951 3-A-1 57643MEG5 SEN 5.25000% 3331,~~169~~960,~~603~~963.0539 ~~145~~139,~~117~~829.0121 1678,~~208,639~~088.6603 4-A-1 57643MEQ3 SEN 4.~~89933~~89342% 1613,~~170~~640,~~797~~823.4070 6655,~~021~~625.8029 21,~~529~~359,~~973~~993.6904 4-A-2 57643MER1 SEN 4.~~89933~~89342% 41,089,000.00 167,~~757~~554.3294 0.00 4-A-3 57643MFB5 SEN 4.~~89933~~89342% 46,536,000.00 189,~~996~~767.2201 0.00 PO 57643MEH3 PO 0.00000% 9,~~742~~700,~~907~~078.5745 0.00 4266,~~829~~270.1266 AX 57643MEJ9 IO 5.00000% 0.00 1,~~930~~767.4376 0.00 4-B-1 57643MES9 SUB 4.~~89933~~89342% ~~582~~580,~~301~~049.9318 2,~~377~~365.4136 2,~~252~~261.7560 4-B-2 57643MET7 SUB 4.~~89933~~89342% ~~211~~210,~~566~~747.4192 ~~863~~859.7840 ~~818~~821.4970 4-B-3 57643MEU4 SUB 4.~~89933~~89342% 190,~~805~~067.2205 ~~779~~775.0207 ~~738~~741.1707 4-B-4 57643MEV2 SUB 4.~~89933~~89342% 115,~~669~~221.4899 ~~472~~469.2586 ~~447~~449.4925 4-B-5 57643MEW0 SUB 4.~~89933~~89342% 116,~~658~~206.1180 ~~476~~473.2987 ~~451~~453.3109 4-B-6 57643MEX8 SUB 4.~~89933~~89342% 53,~~421~~214.1346 ~~218~~217.1100 ~~206~~207.6748 B-1 57643MEM2 SUB 4.~~92544~~92545% 1,~~464~~459,~~980~~239.1043 65,~~013~~989.0650 5,~~740~~771.6749 B-2 57643MEN0 SUB 4.~~92544~~92545% ~~587~~584,~~178~~877.2634 2,~~410~~400.0965 2,~~300~~313.9227 B-3 57643MEP5 SUB 4.~~92544~~92545% ~~438~~437,~~900~~181.9204 1,~~801~~794.4843 1,~~719~~729.8811 B-4 57643MEY6 SUB 4.~~92544~~92545% ~~293~~292,~~589~~438.1367 1,~~205~~200.0533 1,~~150~~156.4663 B-5 57643MEZ3 SUB 4.~~92544~~92545% ~~292~~291,~~600~~454.6103 1,~~200~~196.9928 1,~~146~~152.5974 B-6 57643MFA7 SUB 4.~~92544~~92545% ~~147~~146,~~562~~983.2197 ~~605~~603.6730 ~~578~~581.2434 A-LR 57643MEK6 SEN 4.75000% 0.00 0.00 0.00 A-UR 57643MEL4 SEN 4.75000% 0.00 0.3010 0.00 Totals ~~395~~390,~~426~~521,~~891~~422.8395 1,~~592~~571,~~545~~639.9572 4,~~905~~255,~~468~~825.8996

Certificateholder Distribution Summary (continued) Current Ending Cumulative Realized Certificate Total Realized Class Loss Balance Distribution Losses 1-A-1 0.00 68,~~335~~030,~~786~~169.2833 ~~564~~576,~~440~~112.0577 0.00 2-A-1 0.00 ~~174~~172,~~781~~952,~~089~~870.2574 12,~~545~~556,~~334~~473.4005 0.00 3-A-1 0.00 31,~~960~~282,~~963~~875.3936 1817,~~353,756~~917.6724 0.00 4-A-1 0.00 1312,~~640~~280,~~823~~830.7066 21,~~595~~415,~~995~~618.4933 0.00 4-A-2 0.00 41,089,000.00 167,~~757~~554.3294 0.00 4-A-3 0.00 46,536,000.00 189,~~996~~767.2201 0.00 PO 0.00 9,~~700~~633,~~078~~807.4579 4266,~~829~~270.1266 0.00 AX 0.00 0.00 1,~~930~~767.4376 0.00 4-B-1 0.00 ~~580~~577,~~049~~787.1858 4,~~630~~626.1696 0.00 4-B-2 0.00 ~~210~~209,~~747~~926.9222 1,~~682~~681.2710 0.00 4-B-3 0.00 ~~190~~189,~~067~~325.0598 1,~~517~~516.1914 0.00 4-B-4 0.00 ~~115~~114,~~221~~772.9975 919.7411 0.00 4-B-5 0.00 ~~116~~115,~~206~~753.8071 ~~927~~926.6096 0.00 4-B-6 0.00 53,~~214~~006.4698 424.7848 0.00 B-1 0.00 1,~~459~~453,~~239~~467.4394 11,~~753~~760.7399 0.00 B-2 0.00 ~~584~~582,~~877~~564.3407 4,~~711~~713.0192 0.00 B-3 0.00 ~~437~~435,~~181~~451.0493 3,~~521~~523.3654 0.00 B-4 0.00 ~~292~~291,~~438~~282.6704 2,~~355~~356.5196 0.00 B-5 0.00 ~~291~~290,~~454~~301.0329 2,~~347~~349.5802 0.00 B-6 0.00 146,~~983~~402.9763 1,~~183~~184.9164 0.00 A-LR 0.00 0.00 0.00 0.00 A-UR 0.00 0.00 0.3010 0.00 Totals 0.00 ~~390~~386,~~521~~265,~~422~~597.9500 65,~~498~~827,~~014~~465.8468 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 68,~~628~~335,~~571~~786.5628 ~~271~~273,~~994~~175.8644 2032,~~790~~441.4350 0.00 0.00 2-A-1 178,371,000.00 ~~175~~174,~~594~~781,~~778~~089.7425 ~~685~~689,~~645~~071.8778 ~~128~~1,~~043~~139,146.6373 0.00 0.00 3-A-1 35,000,000.00 3331,~~169~~960,~~603~~963.0539 ~~126~~122,~~207~~856.6956 1555,~~082,431~~231.9747 0.00 0.00 4-A-1 18,105,000.00 1613,~~170~~640,~~797~~823.4070 ~~401~~394,~~554~~833.4924 2965,~~128,419~~159.2080 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,~~742~~700,~~907~~078.5745 38,~~262~~440.7553 427,~~566~~830.3613 0.00 0.00 AX 0.00 0.00 0.00 0.00 0.00 0.00 4-B-1 589,000.00 ~~582~~580,~~301~~049.9318 2,~~252~~261.7560 0.00 0.00 0.00 4-B-2 214,000.00 ~~211~~210,~~566~~747.4192 ~~818~~821.4970 0.00 0.00 0.00 4-B-3 193,000.00 190,~~805~~067.2205 ~~738~~741.1707 0.00 0.00 0.00 4-B-4 117,000.00 115,~~669~~221.4899 ~~447~~449.4925 0.00 0.00 0.00 4-B-5 118,000.00 116,~~658~~206.1180 ~~451~~453.3109 0.00 0.00 0.00 4-B-6 54,035.62 53,~~421~~214.1346 ~~206~~207.6748 0.00 0.00 0.00 B-1 1,482,000.00 1,~~464~~459,~~980~~239.1043 5,~~740~~771.6749 0.00 0.00 0.00 B-2 594,000.00 ~~587~~584,~~178~~877.2634 2,~~300~~313.9227 0.00 0.00 0.00 B-3 444,000.00 ~~438~~437,~~900~~181.9204 1,~~719~~729.8811 0.00 0.00 0.00 B-4 297,000.00 ~~293~~292,~~589~~438.1367 1,~~150~~156.4663 0.00 0.00 0.00 B-5 296,000.00 ~~292~~291,~~600~~454.6103 1,~~146~~152.5974 0.00 0.00 0.00 B-6 149,276.51 ~~147~~146,~~562~~983.2197 ~~578~~581.2434 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 ~~395~~390,~~426~~521,~~891~~422.8395 1,~~541~~536,~~217~~016.3032 32,~~364~~719,~~251~~809.5963 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 ~~292~~305,~~785~~616.2995 68,~~335~~030,~~786~~169.2833 0.~~97622552~~97185956 ~~292~~305,~~785~~616.2995 2-A-1 ~~813~~1,~~689~~828,218.4951 ~~174~~172,~~781~~952,~~089~~870.2574 0.~~97987391~~96962438 ~~813~~1,~~689~~828,218.4951 3-A-1 1678,~~208,639~~088.6603 31,~~960~~282,~~963~~875.3936 0.~~91317038~~89379644 1678,~~208,639~~088.6603 4-A-1 21,~~529~~359,~~973~~993.6904 1312,~~640~~280,~~823~~830.7066 0.~~75342854~~67831155 21,~~529~~359,~~973~~993.6904 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 4266,~~829~~270.1266 9,~~700~~633,~~078~~807.4579 0.~~97742569~~97074795 4266,~~829~~270.1266 AX 0.00 0.00 0.00000000 0.00 4-B-1 2,~~252~~261.7560 ~~580~~577,~~049~~787.1858 0.~~98480336~~98096363 2,~~252~~261.7560 4-B-2 ~~818~~821.4970 ~~210~~209,~~747~~926.9222 0.~~98480336~~98096364 ~~818~~821.4970 4-B-3 ~~738~~741.1707 ~~190~~189,~~067~~325.0598 0.~~98480337~~98096363 ~~738~~741.1707 4-B-4 ~~447~~449.4925 ~~115~~114,~~221~~772.9975 0.~~98480333~~98096368 ~~447~~449.4925 4-B-5 ~~451~~453.3109 ~~116~~115,~~206~~753.8071 0.~~98480339~~98096364 ~~451~~453.3109 4-B-6 ~~206~~207.6748 53,~~214~~006.4698 0.~~98480336~~98096367 ~~206~~207.6748 B-1 5,~~740~~771.6749 1,~~459~~453,~~239~~467.4394 0.~~98464199~~98074760 5,~~740~~771.6749 B-2 2,~~300~~313.9227 ~~584~~582,~~877~~564.3407 0.~~98464199~~98074759 2,~~300~~313.9227 B-3 1,~~719~~729.8811 ~~437~~435,~~181~~451.0493 0.~~98464198~~98074759 1,~~719~~729.8811 B-4 1,~~150~~156.4663 ~~292~~291,~~438~~282.6704 0.~~98464199~~98074761 1,~~150~~156.4663 B-5 1,~~146~~152.5974 ~~291~~290,~~454~~301.0329 0.~~98464199~~98074760 1,~~146~~152.5974 B-6 ~~578~~581.2434 146,~~983~~402.9763 0.~~98464233~~98074794 ~~578~~581.2434 A-LR 0.00 0.00 0.00000000 0.00 A-UR 0.00 0.00 0.00000000 0.00 Totals 4,~~905~~255,~~468~~825.8996 ~~390~~386,~~521~~265,~~422~~597.9500 0.~~96766108~~95711570 4,~~905~~255,~~468~~825.8996

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 ~~980~~976.~~40816514~~22551829 3.~~88564086~~90250629 0.~~29700614~~46345000 0.00000000 2-A-1 178,371,000.00 ~~984~~979.~~43569156~~87391028 3.~~84393130~~86313795 06.~~71785004~~38638977 0.00000000 3-A-1 35,000,000.00 ~~947~~913.~~70294429~~17038257 3.~~60593400~~51018743 3015.~~92662771~~86375629 0.00000000 4-A-1 18,105,000.00 ~~893~~753.~~16748964~~42853908 2221.~~17920409~~80796686 ~~117~~53.~~55974593~~30901961 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 ~~981~~977.~~74135610~~42569181 3.~~85553530~~87344925 02.~~46012799~~80429527 0.00000000 AX 0.00 0.00000000 0.00000000 0.00000000 0.00000000 4-B-1 589,000.00 ~~988~~984.~~62806452~~80336163 3.~~82470289~~83972835 0.00000000 0.00000000 4-B-2 214,000.00 ~~988~~984.~~62808411~~80336449 3.~~82471963~~83971963 0.00000000 0.00000000 4-B-3 193,000.00 ~~988~~984.~~62808290~~80336788 3.~~82471503~~83974093 0.00000000 0.00000000 4-B-4 117,000.00 ~~988~~984.~~62803419~~80333333 3.~~82470085~~83974359 0.00000000 0.00000000 4-B-5 118,000.00 ~~988~~984.~~62805085~~80338983 3.~~82466102~~83974576 0.00000000 0.00000000 4-B-6 54,035.62 ~~988~~984.~~62805683~~80335749 3.~~82469934~~83968945 0.00000000 0.00000000 B-1 1,482,000.00 ~~988~~984.~~51558704~~64199055 3.~~87359649~~89439271 0.00000000 0.00000000 B-2 594,000.00 ~~988~~984.~~51558923~~64198653 3.~~87360269~~89439394 0.00000000 0.00000000 B-3 444,000.00 ~~988~~984.~~51558559~~64198198 3.~~87360360~~89439189 0.00000000 0.00000000 B-4 297,000.00 ~~988~~984.~~51558923~~64198653 3.~~87360269~~89437710 0.00000000 0.00000000 B-5 296,000.00 ~~988~~984.~~51557432~~64199324 3.~~87361486~~89439189 0.00000000 0.00000000 B-6 149,276.51 ~~988~~984.~~51594266~~64232584 3.~~87361682~~89438365 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.~~18264700~~36595643 ~~976~~971.~~22551829~~85956186 0.~~97622552~~97185956 4.~~18264700~~36595643 2-A-1 0.00000000 410.~~56178129~~24952773 ~~979~~969.~~87391028~~62438255 0.~~97987391~~96962438 410.~~56178129~~24952773 3-A-1 0.00000000 3419.~~53256171~~37394371 ~~913~~893.~~17038257~~79643886 0.~~91317038~~89379644 3419.~~53256171~~37394371 4-A-1 0.00000000 ~~139~~75.~~73895001~~11698647 ~~753~~678.~~42853908~~31155261 0.~~75342854~~67831155 ~~139~~75.~~73895001~~11698647 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 46.~~31566430~~67774452 ~~977~~970.~~42569181~~74794729 0.~~97742569~~97074795 46.~~31566430~~67774452 AX 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 4-B-1 0.00000000 3.~~82470289~~83972835 ~~984~~980.~~80336163~~96363328 0.~~98480336~~98096363 3.~~82470289~~83972835 4-B-2 0.00000000 3.~~82471963~~83971963 ~~984~~980.~~80336449~~96364486 0.~~98480336~~98096364 3.~~82471963~~83971963 4-B-3 0.00000000 3.~~82471503~~83974093 ~~984~~980.~~80336788~~96362694 0.~~98480337~~98096363 3.~~82471503~~83974093 4-B-4 0.00000000 3.~~82470085~~83974359 ~~984~~980.~~80333333~~96367521 0.~~98480333~~98096368 3.~~82470085~~83974359 4-B-5 0.00000000 3.~~82466102~~83974576 ~~984~~980.~~80338983~~96364407 0.~~98480339~~98096364 3.~~82466102~~83974576 4-B-6 0.00000000 3.~~82469934~~83968945 ~~984~~980.~~80335749~~96366804 0.~~98480336~~98096367 3.~~82469934~~83968945 B-1 0.00000000 3.~~87359649~~89439271 ~~984~~980.~~64199055~~74759784 0.~~98464199~~98074760 3.~~87359649~~89439271 B-2 0.00000000 3.~~87360269~~89439394 ~~984~~980.~~64198653~~74759259 0.~~98464199~~98074759 3.~~87360269~~89439394 B-3 0.00000000 3.~~87360360~~89439189 ~~984~~980.~~64198198~~74759009 0.~~98464198~~98074759 3.~~87360360~~89439189 B-4 0.00000000 3.~~87360269~~89437710 ~~984~~980.~~64198653~~74760943 0.~~98464199~~98074761 3.~~87360269~~89437710 B-5 0.00000000 3.~~87361486~~89439189 ~~984~~980.~~64199324~~74760135 0.~~98464199~~98074760 3.~~87361486~~89439189 B-6 0.00000000 3.~~87361682~~89438365 ~~984~~980.~~64232584~~74794219 0.~~98464233~~98074794 3.~~87361682~~89438365 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% 68,~~628~~335,~~571~~786.5628 ~~271~~270,~~654~~495.7682 0.00 0.00 2-A-1 178,371,000.00 5.00000% ~~175~~174,~~594~~781,~~778~~089.7425 ~~731~~728,~~644~~254.9154 0.00 0.00 3-A-1 35,000,000.00 5.25000% 3331,~~169~~960,~~603~~963.0539 ~~145~~139,~~117~~829.0121 0.00 0.00 4-A-1 18,105,000.00 4.~~89933~~89342% 1613,~~170~~640,~~797~~823.4070 6655,~~021~~625.8029 0.00 0.00 4-A-2 41,089,000.00 4.~~89933~~89342% 41,089,000.00 167,~~757~~554.3294 0.00 0.00 4-A-3 46,536,000.00 4.~~89933~~89342% 46,536,000.00 189,~~996~~767.2201 0.00 0.00 PO 9,924,108.33 0.00000% 9,~~742~~700,~~907~~078.5745 0.00 0.00 0.00 AX 0.00 5.00000% ~~463~~424,~~304~~261.0588 1,~~930~~767.4376 0.00 0.00 4-B-1 589,000.00 4.~~89933~~89342% ~~582~~580,~~301~~049.9318 2,~~377~~365.4136 0.00 0.00 4-B-2 214,000.00 4.~~89933~~89342% ~~211~~210,~~566~~747.4192 ~~863~~859.7840 0.00 0.00 4-B-3 193,000.00 4.~~89933~~89342% 190,~~805~~067.2205 ~~779~~775.0207 0.00 0.00 4-B-4 117,000.00 4.~~89933~~89342% 115,~~669~~221.4899 ~~472~~469.2586 0.00 0.00 4-B-5 118,000.00 4.~~89933~~89342% 116,~~658~~206.1180 ~~476~~473.2987 0.00 0.00 4-B-6 54,035.62 4.~~89933~~89342% 53,~~421~~214.1346 ~~218~~217.1100 0.00 0.00 B-1 1,482,000.00 4.~~92544~~92545% 1,~~464~~459,~~980~~239.1043 65,~~013~~989.0650 0.00 0.00 B-2 594,000.00 4.~~92544~~92545% ~~587~~584,~~178~~877.2634 2,~~410~~400.0965 0.00 0.00 B-3 444,000.00 4.~~92544~~92545% ~~438~~437,~~900~~181.9204 1,~~801~~794.4843 0.00 0.00 B-4 297,000.00 4.~~92544~~92545% ~~293~~292,~~589~~438.1367 1,~~205~~200.0533 0.00 0.00 B-5 296,000.00 4.~~92544~~92545% ~~292~~291,~~600~~454.6103 1,~~200~~196.9928 0.00 0.00 B-6 149,276.51 4.~~92544~~92545% ~~147~~146,~~562~~983.2197 ~~605~~603.6730 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,~~592~~571,~~545~~639.6562 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 ~~271~~270,~~654~~495.7682 0.00 68,~~335~~030,~~786~~169.2833 2-A-1 0.00 0.00 ~~731~~728,~~644~~254.9154 0.00 ~~174~~172,~~781~~952,~~089~~870.2574 3-A-1 0.00 0.00 ~~145~~139,~~117~~829.0121 0.00 31,~~960~~282,~~963~~875.3936 4-A-1 0.00 0.00 6655,~~021~~625.8029 0.00 1312,~~640~~280,~~823~~830.7066 4-A-2 0.00 0.00 167,~~757~~554.3294 0.00 41,089,000.00 4-A-3 0.00 0.00 189,~~996~~767.2201 0.00 46,536,000.00 PO 0.00 0.00 0.00 0.00 9,~~700~~633,~~078~~807.4579 AX 0.00 0.00 1,~~930~~767.4376 0.00 ~~424~~422,~~261~~722.8898 4-B-1 0.00 0.00 2,~~377~~365.4136 0.00 ~~580~~577,~~049~~787.1858 4-B-2 0.00 0.00 ~~863~~859.7840 0.00 ~~210~~209,~~747~~926.9222 4-B-3 0.00 0.00 ~~779~~775.0207 0.00 ~~190~~189,~~067~~325.0598 4-B-4 0.00 0.00 ~~472~~469.2586 0.00 ~~115~~114,~~221~~772.9975 4-B-5 0.00 0.00 ~~476~~473.2987 0.00 ~~116~~115,~~206~~753.8071 4-B-6 0.00 0.00 ~~218~~217.1100 0.00 53,~~214~~006.4698 B-1 0.00 0.00 65,~~013~~989.0650 0.00 1,~~459~~453,~~239~~467.4394 B-2 0.00 0.00 2,~~410~~400.0965 0.00 ~~584~~582,~~877~~564.3407 B-3 0.00 0.00 1,~~801~~794.4843 0.00 ~~437~~435,~~181~~451.0493 B-4 0.00 0.00 1,~~205~~200.0533 0.00 ~~292~~291,~~438~~282.6704 B-5 0.00 0.00 1,~~200~~196.9928 0.00 ~~291~~290,~~454~~301.0329 B-6 0.00 0.00 ~~605~~603.6730 0.00 146,~~983~~402.9763 A-LR 0.00 0.00 0.00 0.00 0.00 A-UR 0.00 0.00 0.3010 0.00 0.00 Totals 0.00 0.00 1,~~592~~571,~~545~~639.9572 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% ~~980~~976.~~40816514~~22551829 3.~~88078229~~86422600 0.00000000 0.00000000 2-A-1 178,371,000.00 5.00000% ~~984~~979.~~43569156~~87391028 4.~~10181537~~08280797 0.00000000 0.00000000 3-A-1 35,000,000.00 5.25000% ~~947~~913.~~70294429~~17038257 43.~~14620029~~99512029 0.00000000 0.00000000 4-A-1 18,105,000.00 4.~~89933~~89342% ~~893~~753.~~16748964~~42853908 3.~~64660591~~07237172 0.00000000 0.00000000 4-A-2 41,089,000.00 4.~~89933~~89342% 1000.00000000 4.~~08277933~~07785393 0.00000000 0.00000000 4-A-3 46,536,000.00 4.~~89933~~89342% 1000.00000000 4.~~08277935~~07785392 0.00000000 0.00000000 PO 9,924,108.33 0.00000% ~~981~~977.~~74135610~~42569181 0.00000000 0.00000000 0.00000000 AX 0.00 5.00000% ~~989~~905.~~08960232~~74000847 43.~~12119912~~77392133 0.00000000 0.00000000 4-B-1 589,000.00 4.~~89933~~89342% ~~988~~984.~~62806452~~80336163 4.~~03634975~~01589134 0.00000000 0.00000000 4-B-2 214,000.00 4.~~89933~~89342% ~~988~~984.~~62808411~~80336449 4.~~03635514~~01588785 0.00000000 0.00000000 4-B-3 193,000.00 4.~~89933~~89342% ~~988~~984.~~62808290~~80336788 4.~~03637306~~01590674 0.00000000 0.00000000 4-B-4 117,000.00 4.~~89933~~89342% ~~988~~984.~~62803419~~80333333 4.~~03632479~~01589744 0.00000000 0.00000000 4-B-5 118,000.00 4.~~89933~~89342% ~~988~~984.~~62805085~~80338983 4.~~03635593~~01584746 0.00000000 0.00000000 4-B-6 54,035.62 4.~~89933~~89342% ~~988~~984.~~62805683~~80335749 4.~~03641154~~01586953 0.00000000 0.00000000 B-1 1,482,000.00 4.~~92544~~92545% ~~988~~984.~~51558704~~64199055 4.~~05739541~~04149798 0.00000000 0.00000000 B-2 594,000.00 4.~~92544~~92545% ~~988~~984.~~51558923~~64198653 4.~~05739057~~04149832 0.00000000 0.00000000 B-3 444,000.00 4.~~92544~~92545% ~~988~~984.~~51558559~~64198198 4.~~05738739~~04150901 0.00000000 0.00000000 B-4 297,000.00 4.~~92544~~92545% ~~988~~984.~~51558923~~64198653 4.~~05740741~~04151515 0.00000000 0.00000000 B-5 296,000.00 4.~~92544~~92545% ~~988~~984.~~51557432~~64199324 4.~~05739865~~04148649 0.00000000 0.00000000 B-6 149,276.51 4.~~92544~~92545% ~~988~~984.~~51594266~~64232584 4.~~05736978~~04149320 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.~~88078229~~86422600 0.00000000 ~~976~~971.~~22551829~~85956186 2-A-1 0.00000000 0.00000000 4.~~10181537~~08280797 0.00000000 ~~979~~969.~~87391028~~62438255 3-A-1 0.00000000 0.00000000 43.~~14620029~~99512029 0.00000000 ~~913~~893.~~17038257~~79643886 4-A-1 0.00000000 0.00000000 3.~~64660591~~07237172 0.00000000 ~~753~~678.~~42853908~~31155261 4-A-2 0.00000000 0.00000000 4.~~08277933~~07785393 0.00000000 1000.00000000 4-A-3 0.00000000 0.00000000 4.~~08277935~~07785392 0.00000000 1000.00000000 PO 0.00000000 0.00000000 0.00000000 0.00000000 ~~977~~970.~~42569181~~74794729 AX 0.00000000 0.00000000 43.~~12119912~~77392133 0.00000000 ~~905~~902.~~74000847~~45467136 4-B-1 0.00000000 0.00000000 4.~~03634975~~01589134 0.00000000 ~~984~~980.~~80336163~~96363328 4-B-2 0.00000000 0.00000000 4.~~03635514~~01588785 0.00000000 ~~984~~980.~~80336449~~96364486 4-B-3 0.00000000 0.00000000 4.~~03637306~~01590674 0.00000000 ~~984~~980.~~80336788~~96362694 4-B-4 0.00000000 0.00000000 4.~~03632479~~01589744 0.00000000 ~~984~~980.~~80333333~~96367521 4-B-5 0.00000000 0.00000000 4.~~03635593~~01584746 0.00000000 ~~984~~980.~~80338983~~96364407 4-B-6 0.00000000 0.00000000 4.~~03641154~~01586953 0.00000000 ~~984~~980.~~80335749~~96366804 B-1 0.00000000 0.00000000 4.~~05739541~~04149798 0.00000000 ~~984~~980.~~64199055~~74759784 B-2 0.00000000 0.00000000 4.~~05739057~~04149832 0.00000000 ~~984~~980.~~64198653~~74759259 B-3 0.00000000 0.00000000 4.~~05738739~~04150901 0.00000000 ~~984~~980.~~64198198~~74759009 B-4 0.00000000 0.00000000 4.~~05740741~~04151515 0.00000000 ~~984~~980.~~64198653~~74760943 B-5 0.00000000 0.00000000 4.~~05739865~~04148649 0.00000000 ~~984~~980.~~64199324~~74760135 B-6 0.00000000 0.00000000 4.~~05736978~~04149320 0.00000000 ~~984~~980.~~64232584~~74794219 A-LR 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 A-UR 0.00000000 0.00000000 62.00000000 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,~~268~~258,~~507~~757.1214 2,~~258~~248,~~757~~795.1482 97.~~75363865~~32253641% PO-2 0.00000% 0.00 0.00 7,~~132~~100,~~153~~633.3352 7,~~100~~045,~~633~~841.5209 97.~~89949886~~14405198% PO-3 0.00000% 0.00 0.00 ~~342,247.12~~ 340,687.79 339,170.87 94.~~51398112~~09315551% AX-1 5.00000% ~~910.23~~ 907.85 903.60 0.00 0.00 9897.~~21708697~~75729447% AX-2 5.00000% ~~462,393.81~~ 423,354.02 421,819.38 0.00 0.00 90.~~55888666~~23061462%

CERTIFICATEHOLDER ACCOUNT STATEMENT CERTIFICATE ACCOUNT Beginning Balance 0.00 Deposits Payments of Interest and Principal 65,~~567~~891,~~761~~689.2412 Liquidations, Insurance Proceeds, Reserve Funds 0.00 Proceeds from Repurchased Loans 0.00 Other Amounts (Servicer Advances) 1217,~~674~~175.3414 Realized Loss (Gains, Subsequent Expenses & Recoveries) 0.00 Prepayment Penalties 0.00 Total Deposits 65,~~580~~908,~~435~~864.5826 Withdrawals Reimbursement for Servicer Advances 0.00 Payment of Service Fee 8281,~~420~~398.7458 Payment of Interest and Principal 65,~~498~~827,~~014~~465.8468 Total Withdrawals (Pool Distribution Amount) 65,~~580~~908,~~435~~864.5826 Ending Balance 0.00

SERVICING FEES Gross Servicing Fee 8281,~~305~~283.1650 Master Servicing Fee ~~101~~100.3287 WMMSC Master Servicing Fee 14.2621 Supported Prepayment/Curtailment Interest Shortfall 0.00 Net Servicing Fee 8281,~~420~~398.7458

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 3 0 0 0 3 1,~~587~~668,~~369~~092.7872 0.00 0.00 0.00 1,~~587~~668,~~369~~092.7872 60 Days 01 0 0 0 01 0474,701.0006 0.00 0.00 0.00 0474,701.0006 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 34 0 0 0 34 12,~~587~~142,~~369~~793.78 0.00 0.00 0.00 12,~~587~~142,~~369~~793.78 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.~~389610~~391645% 0.000000% 0.000000% 0.000000% 0.~~389610~~391645% 0.~~405247~~430516% 0.000000% 0.000000% 0.000000% 0.~~405247~~430516% 60 Days 0.~~000000~~130548% 0.000000% 0.000000% 0.000000% 0.~~000000~~130548% 0.~~000000~~122515% 0.000000% 0.000000% 0.000000% 0.~~000000~~122515% 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.~~389610~~522193% 0.000000% 0.000000% 0.000000% 0.~~389610~~522193% 0.~~405247~~553031% 0.000000% 0.000000% 0.000000% 0.~~405247~~553031%

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 01 0 0 0 01 0637,059.0057 0.00 0.00 0.00 0637,059.0057 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 0637,059.0057 0.00 0.00 0.00 0637,059.0057 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 0.~~000000~~719424% 0.000000% 0.000000% 0.000000% 0.~~000000~~719424% 0.~~000000~~887910% 0.000000% 0.000000% 0.000000% 0.~~000000~~887910% 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~~719424% 0.000000% 0.000000% 0.000000% 0.~~000000~~719424% 0.~~000000~~887910% 0.000000% 0.000000% 0.000000% 0.~~000000~~887910% 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 20 0 0 0 20 ~~895,017~~0.4600 0.00 0.00 0.00 ~~895,017~~0.4600 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 20 0 0 0 20 ~~895,017~~0.4600 0.00 0.00 0.00 ~~895,017~~0.4600 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 0.~~558659~~000000% 0.000000% 0.000000% 0.000000% 0.~~558659~~000000% 0.~~486052~~000000% 0.000000% 0.000000% 0.000000% 0.~~486052~~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.~~558659~~000000% 0.000000% 0.000000% 0.000000% 0.~~558659~~000000% 0.~~486052~~000000% 0.000000% 0.000000% 0.000000% 0.~~486052~~000000% 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 1 0 0 0 1 ~~692~~689,~~352~~780.3222 0.00 0.00 0.00 ~~692~~689,~~352~~780.3222 60 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 90 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 120 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 150 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 180 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 Totals 1 0 0 0 1 ~~692~~689,~~352~~780.3222 0.00 0.00 0.00 ~~692~~689,~~352~~780.3222 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 1.~~470588~~492537% 0.000000% 0.000000% 0.000000% 1.~~470588~~492537% 2.~~119095~~156068% 0.000000% 0.000000% 0.000000% 2.~~119095~~156068% 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 1.~~470588~~492537% 0.000000% 0.000000% 0.000000% 1.~~470588~~492537% 2.~~119095~~156068% 0.000000% 0.000000% 0.000000% 2.~~119095~~156068% 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 01 0 0 0 01 0341,252.0093 0.00 0.00 0.00 0341,252.0093 60 Days 01 0 0 0 01 0474,701.0006 0.00 0.00 0.00 0474,701.0006 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 02 0 0 0 02 0815,953.0099 0.00 0.00 0.00 0815,953.0099 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 0.~~000000~~490196% 0.000000% 0.000000% 0.000000% 0.~~000000~~490196% 0.~~000000~~336282% 0.000000% 0.000000% 0.000000% 0.~~000000~~336282% 60 Days 0.~~000000~~490196% 0.000000% 0.000000% 0.000000% 0.~~000000~~490196% 0.~~000000~~467786% 0.000000% 0.000000% 0.000000% 0.~~000000~~467786% 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~~980392% 0.000000% 0.000000% 0.000000% 0.~~000000~~980392% 0.~~000000~~804068% 0.000000% 0.000000% 0.000000% 0.~~000000~~804068%

OTHER INFORMATION Current Period Class A Insufficient Funds 0.00 Principal Balance of Contaminated Properties 0.00 Periodic Advance 1217,~~674~~175.3414

COLLATERAL STATEMENT Collateral Description Fixed 15 Year Ratio Strip Weighted Average Gross Coupon 5.~~083013~~079480% Weighted Average Pass-Through Rate 4.~~832891~~829357% Weighted Average Maturity(Stepdown Calculation ) ~~174~~173 Beginning Scheduled Collateral Loan Count ~~775~~770 Number Of Loans Paid In Full 54 Ending Scheduled Collateral Loan Count ~~770~~766 Beginning Scheduled Collateral Balance ~~395~~390,~~426~~521,~~891~~422.7890 Ending Scheduled Collateral Balance ~~390~~386,~~521~~265,~~422~~596.9095 Ending Actual Collateral Balance at 3130-~~Oct~~Nov-2004 ~~391~~387,~~703~~463,~~912~~378.0964 Monthly P &I Constant 3,~~216~~189,~~183~~054.8654 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 65,~~376~~658,~~381~~940.4842 Class AP Deferred Amount 0.00 Scheduled Principal 1,~~541~~536,~~217~~016.2931 Unscheduled Principal 32,~~364~~719,~~251~~809.5964

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.~~850717~~850721 5.~~056896~~056857 5.~~515245~~510071 Weighted Average Net Rate 4.~~601972~~601976 4.~~806896~~806857 5.~~265245~~260072 Weighted Average Maturity ~~174~~173 ~~174~~173 ~~174~~173 Beginning Loan Count 139 358 7068 Loans Paid In Full 0 0 2 1 Ending Loan Count 139 ~~358~~356 6867 Beginning Scheduled Balance 7271,~~138~~831,~~682~~225.0292 ~~184~~183,~~430~~578,~~309~~449.5910 3332,~~791~~580,~~680~~416.4977 Ending scheduled Balance 71,~~831~~510,~~225~~703.9296 ~~183~~181,~~578~~688,~~449~~748.1085 3231,~~580~~899,~~416~~740.7726 Record Date 1011/3130/2004 1011/3130/2004 1011/3130/2004 Principal And Interest Constant 577,527.80 1,497,458.51 ~~283~~274,~~877~~832.1632 Scheduled Principal ~~285~~287,~~924~~166.1977 ~~720~~723,~~254~~850.4114 ~~128~~125,~~569~~231.3297 Unscheduled Principal 2133,~~531~~355.9119 ~~131~~1,~~606~~165,850.0811 1555,~~082,694~~444.4054 Scheduled Interest ~~291~~290,~~603~~361.6103 ~~777~~773,~~204~~608.1037 ~~155~~149,~~307~~600.8435 Servicing Fees 14,~~953~~889.4572 38,~~422~~245.9851 76,~~039~~787.9358 Master Servicing Fees 62.6434 38.6853 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 14.2621 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 ~~276~~275,~~573~~394.2676 ~~738~~735,~~742~~324.4433 ~~148~~142,~~267~~812.9177 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.~~600693~~600697 4.~~806644~~806606 5.~~265245~~260071

Group Level Collateral Statement Group 4 Total Collateral Description Fixed 15 Year Fixed 15 Year Ratio Strip Weighted Average Coupon Rate 5.~~149336~~143425 5.~~083013~~079480 Weighted Average Net Rate 4.~~899336~~893425 4.~~833242~~829711 Weighted Average Maturity ~~174~~173 ~~174~~173 Beginning Loan Count ~~208~~205 ~~775~~770 Loans Paid In Full 31 54 Ending Loan Count ~~205~~204 ~~770~~766 Beginning Scheduled Balance ~~105~~102,~~066~~531,~~219~~331.6811 ~~395~~390,~~426~~521,~~891~~422.7890 Ending scheduled Balance ~~102~~101,~~531~~166,~~331~~403.1188 ~~390~~386,~~521~~265,~~422~~596.9095 Record Date 1011/3130/2004 1011/3130/2004 Principal And Interest Constant ~~857~~839,~~320~~235.3991 3,~~216~~189,~~183~~054.8654 Scheduled Principal ~~406~~399,~~469~~767.3743 1,~~541~~536,~~217~~016.2931 Unscheduled Principal 2965,~~128,419~~159.2080 32,~~364~~719,~~251~~809.5964 Scheduled Interest ~~450~~439,~~851~~468.0248 1,~~674~~653,~~966~~038.5723 Servicing Fees 21,~~888~~360.8069 8281,~~305~~283.1650 Master Servicing Fees 0.00 ~~101~~100.3287 Trustee Fee 0.00 0.00 FRY Amount 0.00 0.00 Special Hazard Fee 0.00 0.00 Other Fee 0.00 14.2621 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 ~~428~~418,~~962~~107.2279 1,~~592~~571,~~545~~639.8365 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.~~899336~~893425 4.~~832891~~829357

Filing Compare · MASTR Asset Securitization Trust 2004-8