8-K 1 mss04001_10505.txt UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington D. C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 25, 2005 MASTR SEASONED SECURITIZATION TRUST Mortgage Pass-Through Certificates, Series 2004-1 Trust (Exact name of registrant as specified in its charter) New York (governing law of 333-106982-45 54-2161224 Pooling and Servicing Agreement) (Commission 54-2161225 (State or other File Number) IRS EIN jurisdiction of Incorporation) c/o Wells Fargo Bank, N.A. 9062 Old Annapolis Road Columbia, MD 21045 (Address of principal executive offices) (Zip Code) Registrant's telephone number, including area code: (410) 884-2000 (Former name or former address, if changed since last report) Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below): [ ] Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) [ ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) [ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act(17 CFR 240.14d-2(b)) [ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act(17 CFR 240.13e-4(c)) ITEM 8.01 Other Events On May 25, 2005 a distribution was made to holders of MASTR SEASONED SECURITIZATION TRUST, Mortgage Pass-Through Certificates, Series 2004-1 Trust. ITEM 9.01 Financial Statements and Exhibits (c) Exhibits Exhibit Number Description EX-99.1 Monthly report distributed to holders of Mortgage Pass-Through Certificates, Series 2004-1 Trust, relating to the May 25, 2005 distribution. Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. MASTR SEASONED SECURITIZATION TRUST Mortgage Pass-Through Certificates, Series 2004-1 Trust (Registrant) By: Wells Fargo Bank, N.A. as Master Servicer By: /s/ Beth Belfield as Officer By: Beth Belfield as Officer Date: 5/25/2005 INDEX TO EXHIBITS Exhibit Number Description EX-99.1 Monthly report distributed to holders of Mortgage Pass-Through Certificates, Series 2004-1 Trust, relating to the May 25, 2005 distribution. EX-99.1

MASTR Seasoned Securitization Trust Mortgage Pass-Through Certificates Record Date: 124/3129/~~2004~~2005 Distribution Date: 15/25/2005 MASTR Seasoned Securitization Trust Mortgage Pass-Through Certificates Series 2004-1 Contact: Customer Service - CTSLink Wells Fargo Bank, N.A. Securities Administration Services 7485 New Horizon Way Frederick, MD 21703 Telephone: (301) 815-6600 Fax: (301) 815-6660 Certificateholder Distribution Summary Certificate Certificate Beginning Class Pass-Through Certificate Interest Principal Class CUSIP Description Rate Balance Distribution Distribution 1-A-1 55265WAV5 SEN 6.~~25265~~24235% ~~123~~108,~~423~~862,~~908~~081.3924 ~~641~~566,~~363~~287.3877 54,~~176~~592,~~116~~475.3837 2-A-1 55265WAW3 SEN 8.00000% ~~185~~158,~~551~~670,~~918~~045.7111 1,~~237~~056,~~012~~663.7931 86,~~677~~189,~~710~~378.5894 2-A-2 55265WAX1 SEN 5.50000% 4539,~~824~~185,~~680~~819.0378 ~~210~~179,~~029~~408.7863 21,~~143~~528,~~083~~554.8098 2-A-3 55265WAY9 SEN 5.25000% 4539,~~824~~185,~~680~~819.0378 ~~200~~171,~~482~~253.9869 21,~~143~~528,~~083~~554.8098 2-A-4 55265WAZ6 SEN 5.00000% ~~116~~99,~~814~~891,~~900~~317.5000 ~~486~~415,~~728~~766.7545 53,~~463~~896,~~084~~546.9753 2-A-5 55265WBA0 SEN 6.50000% 0.00 0.00 0.00 2-A-6 55265WBB8 SEN 6.50000% 500,000.00 2,~~708~~705.3342 0.00 3-A-1 55265WBC6 SEN 4.~~65220~~59838% 3227,~~903~~155,~~463~~309.9007 ~~127~~103,~~561~~946.1877 21,~~633~~229,~~667~~356.4616 4-A-1 55265WBD4 SEN 5.~~24803~~23494% 6153,~~750~~186,~~125~~118.8792 ~~270~~231,~~055~~772.4136 41,~~463~~663,~~543~~399.1457 4-A-2 55265WBE2 SEN 5.~~24803~~23494% 32,~~249~~798,~~602~~920.0898 1412,~~211~~197.6703 ~~234~~87,~~894~~536.0845 A-X 55265WBF9 IO 6.50000% 0.00 ~~104~~89,~~640~~859.6294 0.00 PO 55265WBZ5 PO 0.00000% 3,~~635~~045,~~354~~771.0463 0.00 ~~107~~18,~~026~~624.0290 A-LR 55265WBG7 RES 6.~~25516~~24372% 0.00 0.00 0.00 A-UR 55265WBH5 RES 6.~~25516~~24372% 0.00 0.0036 0.00 15-B-1 55265WBJ1 SUB 6.~~25265~~24235% ~~546~~534,~~468~~850.1612 2,~~839~~782.6823 2,~~892~~953.3193 15-B-2 55265WBK8 SUB 6.~~25265~~24235% ~~272~~266,~~741~~943.7722 1,~~417~~388.2861 1,~~443~~474.5530 15-B-3 55265WBL6 SUB 6.~~25265~~24235% ~~204~~200,~~802~~448.4833 1,~~064~~042.2471 1,~~083~~107.9706 15-B-4 55265WBT9 SUB 6.~~25265~~24235% ~~136~~133,~~863~~953.2045 ~~711~~696.2081 ~~724~~739.3881 15-B-5 55265WBU6 SUB 6.~~25265~~24235% 6766,~~939~~494.2888 ~~353~~345.0490 ~~359~~367.5825 15-B-6 55265WBV4 SUB 6.~~25265~~24235% ~~137~~134,~~488~~565.1512 ~~714~~699.4599 ~~727~~743.6919 30-B-1 55265WBM4 SUB 6.50000% 8,~~841~~797,~~129~~093.2332 47,~~889~~599.4569 1011,~~844~~240.0607 30-B-2 55265WBN2 SUB 6.50000% ~~930~~926,~~645~~009.1882 5,~~040~~010.9949 1,~~141~~183.4817 30-B-3 55265WBP7 SUB 6.50000% ~~697~~694,~~485~~011.6864 3,~~778~~755.0519 ~~855~~886.5074 HY-B-1 55265WBQ5 SUB 5.~~03900~~01163% 2,~~341~~327,~~169~~796.9365 9,~~830~~711.9726 3,~~295~~425.5266 HY-B-2 55265WBR3 SUB 5.~~03900~~01163% ~~480~~478,~~980~~233.4700 21,~~019~~995.7212 ~~677~~703.0578 HY-B-3 55265WBS1 SUB 5.~~03900~~01163% ~~180~~179,~~243~~213.2061 ~~756~~747.8766 ~~253~~263.7274 C-B-4 55265WBW2 SUB 6.~~20218~~19501% ~~585~~582,~~816~~811.8928 3,~~027~~005.7953 ~~740~~767.2680 C-B-5 55265WBX0 SUB 6.~~20218~~19501% ~~292~~291,~~908~~405.4468 1,~~513~~502.8977 ~~370~~383.1289 C-B-6 55265WBY8 SUB 6.~~20218~~19501% ~~585~~582,~~742~~739.2950 3,~~027~~005.4016 ~~737~~767.9670 Totals ~~635~~548,~~781~~677,~~057~~773.9013 32,~~378~~913,~~779~~150.9185 3120,~~068~~761,~~357~~435.3897

Certificateholder Distribution Summary (continued) Current Ending Cumulative Realized Certificate Total Realized Class Loss Balance Distribution Losses 1-A-1 0.00 ~~118~~104,~~247~~269,~~792~~605.0187 5,~~817~~158,~~479~~763.7614 0.00 2-A-1 0.00 ~~176~~152,~~874~~480,~~208~~666.1317 97,~~914~~246,~~723~~042.3725 0.00 2-A-2 0.00 4337,~~681~~657,~~596~~264.2380 21,~~353~~707,~~113~~963.5861 0.00 2-A-3 0.00 4337,~~681~~657,~~596~~264.2380 21,~~343~~699,~~566~~808.7867 0.00 2-A-4 0.00 ~~111~~95,~~351~~994,~~815~~770.5347 54,~~949~~312,~~813~~312.7298 0.00 2-A-5 0.00 0.00 0.00 0.00 2-A-6 0.00 500,000.00 2,~~708~~705.3342 0.00 3-A-1 0.00 3025,~~269~~925,~~796~~952.4491 21,~~761~~333,~~228~~302.6493 0.00 4-A-1 0.00 5751,~~286~~522,~~582~~719.7335 41,~~733~~895,~~598~~171.5593 0.00 4-A-2 0.00 32,~~014~~711,~~708~~384.0053 ~~249~~99,~~105~~733.7548 0.00 A-X 0.00 0.00 ~~104~~89,~~640~~859.6294 0.00 PO 0.00 3,~~528~~027,~~328~~146.0173 ~~107~~18,~~026~~624.0290 0.00 A-LR 0.00 0.00 0.00 0.00 A-UR 0.00 0.00 0.0036 0.00 15-B-1 0.00 ~~543~~531,~~575~~896.8520 5,~~731~~736.9916 0.00 15-B-2 0.00 ~~271~~265,~~298~~468.2291 2,~~860~~862.8391 0.00 15-B-3 0.00 ~~203~~199,~~718~~341.5228 2,~~148~~149.2177 0.00 15-B-4 0.00 ~~136~~133,~~138~~213.8264 1,~~435~~436.5862 0.00 15-B-5 0.00 6766,~~579~~127.7064 ~~712~~713.6215 0.00 15-B-6 0.00 ~~136~~133,~~760~~821.4693 1,~~442~~443.1418 0.00 30-B-1 0.00 8,~~830~~785,~~285~~853.1725 58,~~733~~839.5176 0.00 30-B-2 0.00 ~~929~~924,~~503~~826.7066 6,~~182~~193.4766 0.00 30-B-3 0.00 ~~696~~693,~~630~~124.1890 4,~~633~~641.5593 0.00 HY-B-1 0.00 2,~~337~~324,~~874~~370.4199 13,~~126~~136.4992 0.00 HY-B-2 0.00 ~~480~~477,~~303~~529.4222 2,~~696~~698.7790 0.00 HY-B-3 0.00 ~~179~~178,~~989~~949.4887 1,~~010~~011.5940 0.00 C-B-4 0.00 ~~585~~582,~~076~~043.6349 3,~~768~~773.0533 0.00 C-B-5 0.00 ~~292~~291,~~538~~021.3279 1,~~884~~886.0166 0.00 C-B-6 0.00 ~~585~~581,~~004~~971.3480 3,~~765~~772.3686 0.00 Totals 0.00 ~~604~~527,~~712~~916,~~700~~337.5320 3423,~~447~~674,~~137~~586.2982 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-1 137,304,000.00 ~~123~~108,~~423~~862,~~908~~081.3924 ~~653~~601,~~249~~235.9727 43,~~522~~991,~~866~~240.4110 0.00 0.00 2-A-1 202,458,499.00 ~~185~~158,~~551~~670,~~918~~045.7111 ~~227~~203,~~876~~034.9500 85,~~449~~986,~~833~~344.6394 0.00 0.00 2-A-2 50,000,000.00 4539,~~824~~185,~~680~~819.0378 5650,~~277~~142.4513 21,~~086~~478,~~806~~412.3585 0.00 0.00 2-A-3 50,000,000.00 4539,~~824~~185,~~680~~819.0378 5650,~~277~~142.4513 21,~~086~~478,~~806~~412.3585 0.00 0.00 2-A-4 127,458,501.00 ~~116~~99,~~814~~891,~~900~~317.5000 ~~143~~127,~~460~~820.7881 53,~~319~~768,~~624~~725.1872 0.00 0.00 2-A-5 20,927,000.00 0.00 0.00 0.00 0.00 0.00 2-A-6 500,000.00 500,000.00 0.00 0.00 0.00 0.00 3-A-1 41,159,000.00 3227,~~903~~155,~~463~~309.9007 4639,~~832~~917.6756 21,~~586~~189,~~834~~438.7960 0.00 0.00 4-A-1 72,304,000.00 6153,~~750~~186,~~125~~118.8792 8678,~~398~~317.0997 41,~~377~~585,~~145~~081.0460 0.00 0.00 4-A-2 3,805,000.00 32,~~249~~798,~~602~~920.0898 4,~~546~~121.7049 ~~230~~83,~~347~~414.3896 0.00 0.00 A-X 0.00 0.00 0.00 0.00 0.00 0.00 PO 3,989,934.02 3,~~635~~045,~~354~~771.0463 54,~~515~~743.9358 ~~101~~13,~~510~~881.0932 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 15-B-1 555,000.00 ~~546~~534,~~468~~850.1612 2,~~892~~953.3193 0.00 0.00 0.00 15-B-2 277,000.00 ~~272~~266,~~741~~943.7722 1,~~443~~474.5530 0.00 0.00 0.00 15-B-3 208,000.00 ~~204~~200,~~802~~448.4833 1,~~083~~107.9706 0.00 0.00 0.00 15-B-4 139,000.00 ~~136~~133,~~863~~953.2045 ~~724~~739.3881 0.00 0.00 0.00 15-B-5 69,000.00 6766,~~939~~494.2888 ~~359~~367.5825 0.00 0.00 0.00 15-B-6 139,634.71 ~~137~~134,~~488~~565.1512 ~~727~~743.6919 0.00 0.00 0.00 30-B-1 8,873,000.00 8,~~841~~797,~~129~~093.2332 1011,~~844~~240.0607 0.00 0.00 0.00 30-B-2 934,000.00 ~~930~~926,~~645~~009.1882 1,~~141~~183.4817 0.00 0.00 0.00 30-B-3 700,000.00 ~~697~~694,~~485~~011.6864 ~~855~~886.5074 0.00 0.00 0.00 HY-B-1 2,351,000.00 2,~~341~~327,~~169~~796.9365 3,~~295~~425.5266 0.00 0.00 0.00 HY-B-2 483,000.00 ~~480~~478,~~980~~233.4700 ~~677~~703.0578 0.00 0.00 0.00 HY-B-3 181,000.00 ~~180~~179,~~243~~213.2061 ~~253~~263.7274 0.00 0.00 0.00 C-B-4 588,000.00 ~~585~~582,~~816~~811.8928 ~~740~~767.2680 0.00 0.00 0.00 C-B-5 294,000.00 ~~292~~291,~~908~~405.4468 ~~370~~383.1289 0.00 0.00 0.00 C-B-6 587,921.83 ~~585~~582,~~742~~739.2950 ~~737~~767.9670 0.00 0.00 0.00 Totals 726,285,590.56 ~~635~~548,~~781~~677,~~057~~773.9013 1,~~306~~186,~~583~~483.1403 2919,~~761~~574,~~774~~952.2294 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 54,~~176~~592,~~116~~475.3837 ~~118~~104,~~247~~269,~~792~~605.0187 0.~~86121156~~75940691 54,~~176~~592,~~116~~475.3837 2-A-1 86,~~677~~189,~~710~~378.5894 ~~176~~152,~~874~~480,~~208~~666.1317 0.~~87363192~~75314530 86,~~677~~189,~~710~~378.5894 2-A-2 21,~~143~~528,~~083~~554.8098 4337,~~681~~657,~~596~~264.2380 0.~~87363192~~75314530 21,~~143~~528,~~083~~554.8098 2-A-3 21,~~143~~528,~~083~~554.8098 4337,~~681~~657,~~596~~264.2380 0.~~87363192~~75314530 21,~~143~~528,~~083~~554.8098 2-A-4 53,~~463~~896,~~084~~546.9753 ~~111~~95,~~351~~994,~~815~~770.5347 0.~~87363192~~75314530 53,~~463~~896,~~084~~546.9753 2-A-5 0.00 0.00 0.00000000 0.00 2-A-6 0.00 500,000.00 1.00000000 0.00 3-A-1 21,~~633~~229,~~667~~356.4616 3025,~~269~~925,~~796~~952.4491 0.~~73543566~~62989754 21,~~633~~229,~~667~~356.4616 4-A-1 41,~~463~~663,~~543~~399.14 57 51,~~286~~522,~~582~~719.7335 0.~~79230171~~71258463 41,~~463~~663,~~543~~399.1457 4-A-2 ~~234~~87,~~894~~536.0845 32,~~014~~711,~~708~~384.0053 0.~~79230171~~71258463 ~~234~~87,~~894~~536.0845 A-X 0.00 0.00 0.00000000 0.00 PO ~~107~~18,~~026~~624.0290 3,~~528~~027,~~328~~146.0173 0.~~88430736~~75869594 ~~107~~18,~~026~~624.0290 A-LR 0.00 0.00 0.00000000 0.00 A-UR 0.00 0.00 0.00000000 0.00 15-B-1 2,~~892~~953.3193 ~~543~~531,~~575~~896.8520 0.~~97941595~~95837153 2,~~892~~953.3193 15-B-2 1,~~443~~474.5530 ~~271~~265,~~298~~468.2291 0.~~97941596~~95837152 1,~~443~~474.5530 15-B-3 1,~~083~~107.9706 ~~203~~199,~~718~~341.5228 0.~~97941596~~95837154 1,~~083~~107.9706 15-B-4 ~~724~~739.3881 ~~136~~133,~~138~~213.8264 0.~~97941597~~95837151 ~~724~~739.3881 15-B-5 ~~359~~367.5825 6766,~~579~~127.7064 0.~~97941594~~95837159 ~~359~~367.5825 15-B-6 ~~727~~743.6919 ~~136~~133,~~760~~821.4693 0.~~97941593~~95837153 ~~727~~743.6919 30-B-1 1011,~~844~~240.0607 8,~~830~~785,~~285~~853.1725 0.~~99518598~~99017843 1011,~~844~~240.0607 30-B-2 1,~~141~~183.4817 ~~929~~924,~~503~~826.7066 0.~~99518597~~99017844 1,~~141~~183.4817 30-B-3 ~~855~~886.5074 ~~696~~693,~~630~~124.1890 0.~~99518597~~99017843 ~~855~~886.5074 HY-B-1 3,~~295~~425.5266 2,~~337~~324,~~874~~370.4199 0.~~99441702~~98867333 3,~~295~~425.5266 HY-B-2 ~~677~~703.0578 ~~480~~477,~~303~~529.4222 0.~~99441702~~98867333 ~~677~~703.0578 HY-B-3 ~~253~~263.7274 ~~179~~178,~~989~~949.4887 0.~~99441702~~98867331 ~~253~~263.7274 C-B-4 ~~740~~767.2680 ~~585~~582,~~076~~043.6349 0.~~99502828~~98986988 ~~740~~767.2680 C-B-5 ~~370~~383.1289 ~~292~~291,~~538~~021.3279 0.~~99502830~~98987003 ~~370~~383.1289 C-B-6 ~~737~~767.9670 ~~585~~581,~~004~~971.3480 0.~~99503762~~98987956 ~~737~~767.9670 Totals 3120,~~068~~761,~~357~~435.3897 ~~604~~527,~~712~~916,~~700~~337.5320 0.~~83261008~~72687156 3120,~~068~~761,~~357~~435.3897

Principal Distribution Factors Statement Original Beginning Scheduled Unscheduled Face Certificate Principal Principal Class (2) Amount Balance Distribution Distribution Accretion 1-A-1 137,304,000.00 ~~898~~792.~~90977969~~85440512 4.~~75769074~~37886201 3229.~~94052912~~06863675 0.00000000 2-A-1 202,458,499.00 ~~916~~783.~~49360055~~71639567 1.~~12554895~~00284256 4129.~~73612702~~56825705 0.00000000 2-A-2 50,000,000.00 ~~916~~783.~~49360060~~71639560 1.~~12554900~~00284260 4129.~~73612700~~56825700 0.00000000 2-A-3 50,000,000.00 ~~916~~783.~~49360060~~71639560 1.~~12554900~~00284260 4129.~~73612700~~56825700 0.00000000 2-A-4 127,458,501.00 ~~916~~783.~~49360053~~71639566 1.~~12554893~~00284256 4129.~~73612696~~56825704 0.00000000 2-A-5 20,927,000.00 0.00000000 0.00000000 0.00000000 0.00000000 2-A-6 500,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 3-A-1 41,159,000.00 ~~799~~659.~~42330717~~76600671 10.~~13784762~~96983795 6228.~~84979689~~89862727 0.00000000 4-A-1 72,304,000.00 ~~854~~735.~~03471274~~59027052 1.~~19492822~~08317617 6021.~~53807590~~92246072 0.00000000 4-A-2 3,805,000.00 ~~854~~735.~~03471222~~59027070 1.~~19492773~~08317740 6021.~~53807622~~92245992 0.00000000 A-X 0.00 0.00000000 0.00000000 0.00000000 0.00000000 PO 3,989,934.02 ~~911~~763.~~13136753~~36390896 1.~~38246146~~18888683 253.~~44154602~~47908510 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 15-B-1 555,000.00 ~~984~~963.~~62731532~~69390991 5.~~21136937~~32239640 0.00000000 0.00000000 15-B-2 277,000.00 ~~984~~963.~~62732852~~69393502 5.~~21137184~~32238267 0.00000000 0.00000000 15-B-3 208,000.00 ~~984~~963.~~62730769~~69389423 5.~~21139423~~32240385 0.00000000 0.00000000 15-B-4 139,000.00 ~~984~~963.~~62733813~~69388489 5.~~21136691~~32237410 0.00000000 0.00000000 15-B-5 69,000.00 ~~984~~963.~~62724638~~69391304 5.~~21130435~~32246377 0.00000000 0.00000000 15-B-6 139,634.71 ~~984~~963.~~62731795~~69391249 5.~~21138333~~32238725 0.00000000 0.00000000 30-B-1 8,873,000.00 ~~996~~991.~~40811789~~44520681 1.~~22214133~~26677223 0.00000000 0.00000000 30-B-2 934,000.00 ~~996~~991.~~40811563~~44520343 1.~~22214133~~26677730 0.00000000 0.00000000 30-B-3 700,000.00 ~~996~~991.~~40811429~~44520000 1.~~22214286~~26677143 0.00000000 0.00000000 HY-B-1 2,351,000.00 ~~995~~990.~~81877074~~13043386 1.~~40175245~~45710761 0.00000000 0.00000000 HY-B-2 483,000.00 ~~995~~990.~~81877847~~13043478 1.~~40175983~~45710145 0.00000000 0.00000000 HY-B-3 181,000.00 ~~995~~990.~~81878453~~13044199 1.~~40176796~~45712707 0.00000000 0.00000000 C-B-4 588,000.00 ~~996~~991.~~28722789~~17564626 1.~~25894558~~30578231 0.00000000 0.00000000 C-B-5 294,000.00 ~~996~~991.~~28721088~~17578231 1.~~25891156~~30574830 0.00000000 0.00000000 C-B-6 587,921.83 ~~996~~991.~~29280648~~18534177 1.~~25520088~~30578584 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 3733.~~69821986~~44749876 ~~861~~759.~~21155982~~40690635 0.~~86121156~~75940691 3733.~~69821986~~44749876 2-A-1 0.00000000 4230.~~86167596~~57109961 ~~873~~753.~~63192459~~14529606 0.~~87363192~~75314530 4230.~~86167596~~57109961 2-A-2 0.00000000 4230.~~86167600~~57109960 ~~873~~753.~~63192460~~14529600 0.~~87363192~~75314530 4230.~~86167600~~57109960 2-A-3 0.00000000 4230.~~86167600~~57109960 ~~873~~753.~~63192460~~14529600 0.~~87363192~~75314530 4230.~~86167600~~57109960 2-A-4 0.00000000 4230.~~86167597~~57109961 ~~873~~753.~~63192456~~14529605 0.~~87363192~~75314530 4230.~~86167597~~57109961 2-A-5 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 2-A-6 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 3-A-1 0.00000000 6329.~~98764450~~86846522 ~~735~~629.~~43566267~~89754149 0.~~73543566~~62989754 6329.~~98764450~~86846522 4-A-1 0.00000000 6123.~~73300426~~00563689 ~~792~~712.~~30170848~~58463363 0.~~79230171~~71258463 6123.~~73300426~~00563689 4-A-2 0.00000000 6123.~~73300394~~00563732 ~~792~~712.~~30170828~~58463338 0.~~79230171~~71258463 6123.~~73300394~~00563732 A-X 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 PO 0.00000000 264.~~82400748~~66797193 ~~884~~758.~~30735754~~69593703 0.~~88430736~~75869594 264.~~82400748~~66797193 A-LR 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 A-UR 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 15-B-1 0.00000000 5.~~21136937~~32239640 ~~979~~958.~~41594595~~37153153 0.~~97941595~~95837153 5.~~21136937~~32239640 15-B-2 0.00000000 5.~~21137184~~32238267 ~~979~~958.~~41595668~~37151625 0.~~97941596~~95837152 5.~~21137184~~32238267 15-B-3 0.00000000 5.~~21139423~~32240385 ~~979~~958.~~41596154~~37153846 0.~~97941596~~95837154 5.~~21139423~~32240385 15-B-4 0.00000000 5.~~21136691~~32237410 ~~979~~958.~~41597122~~37151079 0.~~97941597~~95837151 5.~~21136691~~32237410 15-B-5 0.00000000 5.~~21130435~~32246377 ~~979~~958.~~41594203~~37159420 0.~~97941594~~95837159 5.~~21130435~~32246377 15-B-6 0.00000000 5.~~21138333~~32238725 ~~979~~958.~~41593462~~37152525 0.~~97941593~~95837153 5.~~21138333~~32238725 30-B-1 0.00000000 1.~~22214133~~26677223 ~~995~~990.~~18597656~~17843458 0.~~99518598~~99017843 1.~~22214133~~26677223 30-B-2 0.00000000 1.~~22214133~~26677730 ~~995~~990.~~18597430~~17843683 0.~~99518597~~99017844 1.~~22214133~~26677730 30-B-3 0.00000000 1.~~22214286~~26677143 ~~995~~990.~~18597143~~17842857 0.~~99518597~~99017843 1.~~22214286~~26677143 HY-B-1 0.00000000 1.~~40175245~~45710761 ~~994~~988.~~41701829~~67332624 0.~~99441702~~98867333 1.~~40175245~~45710761 HY-B-2 0.00000000 1.~~40175983~~45710145 ~~994~~988.~~41701863~~67333333 0.~~99441702~~98867333 1.~~40175983~~45710145 HY-B-3 0.00000000 1.~~40176796~~45712707 ~~994~~988.~~41701657~~67331492 0.~~99441702~~98867331 1.~~40176796~~45712707 C-B-4 0.00000000 1.~~25894558~~30578231 ~~995~~989.~~02828231~~86988095 0.~~99502828~~98986988 1.~~25894558~~30578231 C-B-5 0.00000000 1.~~25891156~~30574830 ~~995~~989.~~02829932~~87003401 0.~~99502830~~98987003 1.~~25891156~~30574830 C-B-6 0.00000000 1.~~25520088~~30578584 ~~995~~989.~~03762260~~87955593 0.~~99503762~~98987956 1.~~25520088~~30578584 (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-1 137,304,000.00 6.~~25265~~24235% ~~123~~108,~~423~~862,~~908~~081.3924 ~~643~~566,~~105~~296.4641 0.00 0.00 2-A-1 202,458,499.00 8.00000% ~~185~~158,~~551~~670,~~918~~045.7111 1,~~237~~057,~~012~~800.7930 0.00 0.00 2-A-2 50,000,000.00 5.50000% 4539,~~824~~185,~~680~~819.0378 ~~210~~179,~~029~~601.7867 0.00 0.00 2-A-3 50,000,000.00 5.25000% 4539,~~824~~185,~~680~~819.0378 ~~200~~171,~~482~~437.9896 0.00 0.00 2-A-4 127,458,501.00 5.00000% ~~116~~99,~~814~~891,~~900~~317.5000 ~~486~~416,~~728~~213.7582 0.00 0.00 2-A-5 20,927,000.00 6.50000% 0.00 0.00 0.00 0.00 2-A-6 500,000.00 6.50000% 500,000.00 2,708.33 0.00 0.00 3-A-1 41,159,000.00 4.~~65220~~59838% 3227,~~903~~155,~~463~~309.9007 ~~127~~104,~~561~~058.1861 0.00 0.00 4-A-1 72,304,000.00 5.~~24803~~23494% 6153,~~750~~186,~~125~~118.8792 ~~270~~232,~~055~~021.4175 0.00 0.00 4-A-2 3,805,000.00 5.~~24803~~23494% 32,~~249~~798,~~602~~920.0898 1412,~~211~~210.6715 0.00 0.00 A-X 0.00 6.50000% 1916,~~318~~607,~~788~~197.9568 ~~104~~89,~~643~~955.4465 0.00 0.00 PO 3,989,934.02 0.00000% 3,~~635~~045,~~354~~771.0463 0.00 0.00 0.00 A-LR 50.00 6.~~25516~~24372% 0.00 0.00 0.00 0.00 A-UR 50.00 6.~~25516~~24372% 0.00 0.00 0.00 0.00 15-B-1 555,000.00 6.~~25265~~24235% ~~546~~534,~~468~~850.1612 2,~~847~~782.4027 0.00 0.00 15-B-2 277,000.00 6.~~25265~~24235% ~~272~~266,~~741~~943.7722 1,~~421~~388.1363 0.00 0.00 15-B-3 208,000.00 6.~~25265~~24235% ~~204~~200,~~802~~448.4833 1,~~067~~042.1372 0.00 0.00 15-B-4 139,000.00 6.~~25265~~24235% ~~136~~133,~~863~~953.2045 ~~713~~696.1382 0.00 0.00 15-B-5 69,000.00 6.~~25265~~24235% 6766,~~939~~494.2888 ~~354~~345.0090 0.00 0.00 15-B-6 139,634.71 6.~~25265~~24235% ~~137~~134,~~488~~565.1512 ~~716~~700.3900 0.00 0.00 30-B-1 8,873,000.00 6.50000% 8,~~841~~797,~~129~~093.2332 47,~~889~~650.4592 0.00 0.00 30-B-2 934,000.00 6.50000% ~~930~~926,~~645~~009.1882 5,~~040~~015.9989 0.00 0.00 30-B-3 700,000.00 6.50000% ~~697~~694,~~485~~011.6864 3,~~778~~759.0523 0.00 0.00 HY-B-1 2,351,000.00 5.~~03900~~01163% 2,~~341~~327,~~169~~796.9365 9,~~830~~721.9771 0.00 0.00 HY-B-2 483,000.00 5.~~03900~~01163% ~~480~~478,~~980~~233.4700 21,~~019~~997.7227 0.00 0.00 HY-B-3 181,000.00 5.~~03900~~01163% ~~180~~179,~~243~~213.2061 ~~756~~748.8746 0.00 0.00 C-B-4 588,000.00 6.~~20218~~19501% ~~585~~582,~~816~~811.8928 3,~~027~~008.7977 0.00 0.00 C-B-5 294,000.00 6.~~20218~~19501% ~~292~~291,~~908~~405.4468 1,~~513~~504.8938 0.00 0.00 C-B-6 587,921.83 6.~~20218~~19501% ~~585~~582,~~742~~739.2950 3,~~027~~008.40 0.00 0.00 Totals 726,285,590.56 32,~~380~~915,~~544~~676.1002 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 ~~1,742~~8.0864 0.00 ~~641~~566,~~363~~287.3877 0.00 ~~118~~104,~~247~~269,~~792~~605.0187 2-A-1 01,136.0099 0.00 1,~~237~~056,~~012~~663.7931 0.00 ~~176~~152,~~874~~480,~~208~~666.1317 2-A-2 0193.0005 0.00 ~~210~~179,~~029~~408.7863 0.00 4337,~~681~~657,~~596~~264.2380 2-A-3 0184.0027 0.00 ~~200~~171,~~482~~253.9869 0.00 4337,~~681~~657,~~596~~264.2380 2-A-4 0447.0037 0.00 ~~486~~415,~~728~~766.7545 0.00 ~~111~~95,~~351~~994,~~815~~770.5347 2-A-5 0.00 0.00 0.00 0.00 0.00 2-A-6 02.0091 0.00 2,~~708~~705.3342 0.00 500,000.00 3-A-1 0111.0085 0.00 ~~127~~103,~~561~~946.1877 0.00 3025,~~269~~925,~~796~~952.4491 4-A-1 0249.0039 0.00 ~~270~~231,~~055~~772.4136 0.00 5751,~~286~~522,~~582~~719.7335 4-A-2 013.0012 0.00 1412,~~211~~197.6703 0.00 32,~~014~~711,~~708~~384.0053 A-X 295.8272 0.00 ~~104~~89,~~640~~859.6294 0.00 1815,~~278~~812,~~265~~642.5907 PO 0.00 0.00 0.00 0.00 3,~~528~~027,~~328~~146.0173 A-LR 0.00 0.00 0.00 0.00 0.00 A-UR 0.00 0.00 0.0036 0.00 0.00 15-B-1 70.7104 0.00 2,~~839~~782.6823 0.00 ~~543~~531,~~575~~896.8520 15-B-2 30.8502 0.00 1,~~417~~388.2861 0.00 ~~271~~265,~~298~~468.2291 15-B-3 20.8902 0.00 1,~~064~~042.2471 0.00 ~~203~~199,~~718~~341.5228 15-B-4 10.9301 0.00 ~~711~~696.2081 0.00 ~~136~~133,~~138~~213.8264 15-B-5 0.9601 0.00 ~~353~~345.0490 0.00 6766,~~579~~127.7064 15-B-6 10.9401 0.00 ~~714~~699.4599 0.00 ~~136~~133,~~760~~821.4693 30-B-1 051.0023 0.00 47,~~889~~599.4569 0.00 8,~~830~~785,~~285~~853.1725 30-B-2 05.0039 0.00 5,~~040~~010.9949 0.00 ~~929~~924,~~503~~826.7066 30-B-3 04.0004 0.00 3,~~778~~755.0519 0.00 ~~696~~693,~~630~~124.1890 HY-B-1 010.0045 0.00 9,~~830~~711.9726 0.00 2,~~337~~324,~~874~~370.4199 HY-B-2 02.0015 0.00 21,~~019~~995.7212 0.00 ~~480~~477,~~303~~529.4222 HY-B-3 0.0080 0.00 ~~756~~747.8766 0.00 ~~179~~178,~~989~~949.4887 C-B-4 03.0023 0.00 3,~~027~~005.7953 0.00 ~~585~~582,~~076~~043.6349 C-B-5 01.0062 0.00 1,~~513~~502.8977 0.00 ~~292~~291,~~538~~021.3279 C-B-6 03.0023 0.00 3,~~027~~005.4016 0.00 ~~585~~581,~~004~~971.3480 Totals 12,~~764~~525.1856 0.00 32,~~378~~913,~~779~~150.9185 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-1 137,304,000.00 6.~~25265~~24235% ~~898~~792.~~90977969~~85440512 4.~~68380717~~12439849 0.00000000 0.00000000 2-A-1 202,458,499.00 8.00000% ~~916~~783.~~49360055~~71639567 65.~~10995733~~22477597 0.00000000 0.00000000 2-A-2 50,000,000.00 5.50000% ~~916~~783.~~49360060~~71639560 43.~~20059560~~59203340 0.00000000 0.00000000 2-A-3 50,000,000.00 5.25000% ~~916~~783.~~49360060~~71639560 43.~~00965960~~42875920 0.00000000 0.00000000 2-A-4 127,458,501.00 5.00000% ~~916~~783.~~49360053~~71639566 3.~~81872332~~26548498 0.00000000 0.00000000 2-A-5 20,927,000.00 6.50000% 0.00000000 0.00000000 0.00000000 0.00000000 2-A-6 500,000.00 6.50000% 1000.00000000 5.41666000 0.00000000 0.00000000 3-A-1 41,159,000.00 4.~~65220~~59838% ~~799~~659.~~42330717~~76600671 32.~~09922933~~52821035 0.00000000 0.00000000 4-A-1 72,304,000.00 5.~~24803~~23494% ~~854~~735.~~03471274~~59027052 3.~~73499959~~20897530 0.00000000 0.00000000 4-A-2 3,805,000.00 5.~~24803~~23494% ~~854~~735.~~03471222~~59027070 3.~~73499869~~20897503 0.00000000 0.00000000 A-X 0.00 6.50000% ~~874~~751.~~08285117~~39630832 4.~~73461544~~07006315 0.00000000 0.00000000 PO 3,989,934.02 0.00000% ~~911~~763.~~13136753~~36390896 0.00000000 0.00000000 0.00000000 A-LR 50.00 6.~~25516~~24372% 0.00000000 0.00000000 0.00000000 0.00000000 A-UR 50.00 6.~~25516~~24372% 0.00000000 0.00000000 0.00000000 0.00000000 15-B-1 555,000.00 6.~~25265~~24235% ~~984~~963.~~62731532~~69390991 5.~~13045045~~01309910 0.00000000 0.00000000 15-B-2 277,000.00 6.~~25265~~24235% ~~984~~963.~~62732852~~69393502 5.~~13043321~~01310469 0.00000000 0.00000000 15-B-3 208,000.00 6.~~25265~~24235% ~~984~~963.~~62730769~~69389423 5.~~13043269~~01307692 0.00000000 0.00000000 15-B-4 139,000.00 6.~~25265~~24235% ~~984~~963.~~62733813~~69388489 5.~~13043165~~01309353 0.00000000 0.00000000 15-B-5 69,000.00 6.~~25265~~24235% ~~984~~963.~~62724638~~69391304 5.~~13043478~~01304348 0.00000000 0.00000000 15-B-6 139,634.71 6.~~25265~~24235% ~~984~~963.~~62731795~~69391249 5.~~13045789~~01308020 0.00000000 0.00000000 30-B-1 8,873,000.00 6.50000% ~~996~~991.~~40811789~~44520681 5.~~39721064~~37032796 0.00000000 0.00000000 30-B-2 934,000.00 6.50000% ~~996~~991.~~40811563~~44520343 5.~~39720557~~37033191 0.00000000 0.00000000 30-B-3 700,000.00 6.50000% ~~996~~991.~~40811429~~44520000 5.~~39721429~~37032857 0.00000000 0.00000000 HY-B-1 2,351,000.00 5.~~03900~~01163% ~~995~~990.~~81877074~~13043386 4.~~18161208~~13513824 0.00000000 0.00000000 HY-B-2 483,000.00 5.~~03900~~01163% ~~995~~990.~~81877847~~13043478 4.~~18161491~~13513458 0.00000000 0.00000000 HY-B-3 181,000.00 5.~~03900~~01163% ~~995~~990.~~81878453~~13044199 4.~~18160221~~13513812 0.00000000 0.00000000 C-B-4 588,000.00 6.~~20218~~19501% ~~996~~991.~~28722789~~17564626 5.~~14930272~~11695578 0.00000000 0.00000000 C-B-5 294,000.00 6.~~20218~~19501% ~~996~~991.~~28721088~~17578231 5.~~14928571~~11693878 0.00000000 0.00000000 C-B-6 587,921.83 6.~~20218~~19501% ~~996~~991.~~29280648~~18534177 5.~~14932402~~11700680 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.~~01268776~~00006293 0.00000000 4.~~67111941~~12433556 0.00000000 ~~861~~759.~~21155982~~40690635 2-A-1 0.~~00000000~~00561592 0.00000000 65.~~10995733~~21916005 0.00000000 ~~873~~753.~~63192459~~14529606 2-A-2 0.~~00000000~~00386100 0.00000000 43.~~20059560~~58817260 0.00000000 ~~873~~753.~~63192460~~14529600 2-A-3 0.~~00000000~~00368540 0.00000000 43.~~00965960~~42507380 0.00000000 ~~873~~753.~~63192460~~14529600 2-A-4 0.~~00000000~~00350993 0.00000000 3.~~81872332~~26197505 0.00000000 ~~873~~753.~~63192456~~14529605 2-A-5 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 2-A-6 0.~~00000000~~00582000 0.00000000 5.~~41666000~~41084000 0.00000000 1000.00000000 3-A-1 0.~~00000000~~00271751 0.00000000 32.~~09922933~~52549309 0.00000000 ~~735~~629.~~43566267~~89754149 4-A-1 0.~~00000000~~00344919 0.00000000 3.~~73499959~~20552611 0.00000000 ~~792~~712.~~30170848~~58463363 4-A-2 0.~~00000000~~00344809 0.00000000 3.~~73499869~~20552694 0.00000000 ~~792~~712.~~30170828~~58463338 A-X 0.~~00012759~~00433087 0.00000000 4.~~73448785~~06573273 0.00000000 ~~827~~715.~~00414311~~44646514 PO 0.00000000 0.00000000 0.00000000 0.00000000 ~~884~~758.~~30735754~~69593703 A-LR 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 A-UR 0.00000000 0.00000000 07.~~00000000~~20000000 0.00000000 0.00000000 15-B-1 0.~~01389189~~00007207 0.00000000 5.~~11654054~~01302703 0.00000000 ~~979~~958.~~41594595~~37153153 15-B-2 0.~~01389892~~00007220 0.00000000 5.~~11653430~~01303249 0.00000000 ~~979~~958.~~41595668~~37151625 15-B-3 0.~~01389423~~00009615 0.00000000 5.~~11653846~~01302885 0.00000000 ~~979~~958.~~41596154~~37153846 15-B-4 0.~~01388489~~00007194 0.00000000 5.~~11654676~~01302158 0.00000000 ~~979~~958.~~41597122~~37151079 15-B-5 0.~~01391304~~00014493 0.00000000 5.~~11652174~~01304348 0.00000000 ~~979~~958.~~41594203~~37159420 15-B-6 0.~~01389339~~00007162 0.00000000 5.~~11656450~~01300859 0.00000000 ~~979~~958.~~41593462~~37152525 30-B-1 0.~~00000000~~00577370 0.00000000 5.~~39721064~~36455427 0.00000000 ~~995~~990.~~18597656~~17843458 30-B-2 0.~~00000000~~00577088 0.00000000 5.~~39720557~~36455032 0.00000000 ~~995~~990.~~18597430~~17843683 30-B-3 0.~~00000000~~00577143 0.00000000 5.~~39721429~~36455714 0.00000000 ~~995~~990.~~18597143~~17842857 HY-B-1 0.~~00000000~~00444492 0.00000000 4.~~18161208~~13069332 0.00000000 ~~994~~988.~~41701829~~67332624 HY-B-2 0.~~00000000~~00445135 0.00000000 4.~~18161491~~13068323 0.00000000 ~~994~~988.~~41701863~~67333333 HY-B-3 0.~~00000000~~00441989 0.00000000 4.~~18160221~~13071823 0.00000000 ~~994~~988.~~41701657~~67331492 C-B-4 0.~~00000000~~00549320 0.00000000 5.~~14930272~~11144558 0.00000000 ~~995~~989.~~02828231~~86988095 C-B-5 0.~~00000000~~00551020 0.00000000 5.~~14928571~~11146259 0.00000000 ~~995~~989.~~02829932~~87003401 C-B-6 0.~~00000000~~00549393 0.00000000 5.~~14932402~~11149586 0.00000000 ~~995~~989.~~03762260~~87955593 (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 A-X-1 6.50000% ~~191~~169,~~984~~537.9444 ~~184~~162,~~010~~460.5673 0.00 0.00 8676.~~23935954~~13970256% A-X-2 6.50000% 1916,~~126~~437,~~804~~660.0124 1815,~~094~~650,~~255~~181.0334 0.00 0.00 8271.~~66591608~~49985314%

CERTIFICATEHOLDER ACCOUNT STATEMENT CERTIFICATE ACCOUNT Beginning Balance 0.00 Deposits Payments of Interest and Principal 3423,~~460~~672,~~526~~148.3092 Liquidations, Insurance Proceeds, Reserve Funds 0.00 Proceeds from Repurchased Loans 0.00 Other Amounts (Servicer Advances) ~~126~~122,~~088~~638.9409 Realized Loss (Gains, Subsequent Expenses & Recoveries) 0.00 Prepayment Penalties 0.00 Total Deposits 3423,~~586~~794,~~615~~787.2401 Withdrawals Reimbursement for Servicer Advances 0.00 Payment of Service Fee ~~139~~120,~~477~~200.9519 Payment of Interest and Principal 3423,~~447~~674,~~137~~586.2982 Total Withdrawals (Pool Distribution Amount) 3423,~~586~~794,~~615~~787.2401 Ending Balance 0.00

PREPAYMENT/CURTAILMENT INTEREST SHORTFALL Total Prepayment/Curtailment Interest Shortfall 12,~~764~~525.1856 Servicing Fee Support 0.00 Non-Supported Prepayment/Curtailment Interest Shortfall 12,~~764~~525.1856

SERVICING FEES Gross Servicing Fee ~~139~~120,~~365~~088.4422 LPMI ~~112~~111.5197 Supported Prepayment/Curtailment Interest Shortfall 0.00 Net Servicing Fee ~~139~~120,~~477~~200.9519

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 2 0 0 2 ~~717~~792,~~276~~032.5982 0.00 0.00 ~~717~~792,~~276~~032.5982 30 Days 2825 0 0 0 2825 1210,~~358~~570,~~536~~493.4624 0.00 0.00 0.00 1210,~~358~~570,~~536~~493.4624 60 Days 46 0 0 0 46 12,~~740~~420,~~260~~943.2580 0.00 0.00 0.00 12,~~740~~420,~~260~~943.2580 90 Days 30 0 0 0 30 ~~1,421,820~~0.4400 0.00 0.00 0.00 ~~1,421,820~~0.4400 120 Days 01 0 02 0 03 0418,499.0086 0.00 0959,985.0058 0.00 01,378,485.0044 150 Days 01 0 01 0 02 0549,434.0012 0.00 0335,634.0093 0.00 0885,069.0005 180+ Days 1 0 1 0 2 ~~666,880~~1 3 0.0100 0.00 ~~687~~1,~~527~~056,027.8164 0388,583.0055 1,~~354~~444,~~407~~611.8219 Totals 3633 2 5 1 041 ~~39 16~~13,~~187~~959,~~497~~371.1602 ~~717~~792,~~276~~032.5982 ~~687~~2,~~527~~351,648.8115 0388,583.0055 17,~~592~~491,~~301~~635.5654 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.~~137552~~156128% 0.000000% 0.000000% 0.~~137552~~156128% 0.~~118418~~149753% 0.000000% 0.000000% 0.~~118418~~149753% 30 Days 1.~~925722~~951600% 0.000000% 0.000000% 0.000000% 1.~~925722~~951600% 21.~~040311~~998612% 0.000000% 0.000000% 0.000000% 21.~~040311~~998612% 60 Days 0.~~275103~~468384% 0.000000% 0.000000% 0.000000% 0.~~275103~~468384% 0.~~287305~~457739% 0.000000% 0.000000% 0.000000% 0.~~287305~~457739% 90 Days 0.~~206327~~000000% 0.000000% 0.000000% 0.000000% 0.~~206327~~000000% 0.~~234733~~000000% 0.000000% 0.000000% 0.000000% 0.~~234733~~000000% 120 Days 0.~~000000~~078064% 0.000000% 0.~~000000~~156128% 0.000000% 0.~~000000~~234192% 0.~~000000~~079128% 0.000000% 0.~~000000~~181509% 0.000000% 0.~~000000~~260637% 150 Days 0.~~000000~~078064% 0.000000% 0.~~000000~~078064% 0.000000% 0.~~000000~~156128% 0.~~000000~~103884% 0.000000% 0.~~000000~~063460% 0.000000% 0.~~000000~~167344% 180+ Days 0.~~068776~~000000% 0.000000% 0.~~068776~~156128% 0.~~000000~~078064% 0.~~137552~~234192% 0.~~110097~~000000% 0.000000% 0.~~113506~~199668% 0.~~000000~~073471% 0.~~223604~~273139% Totals 2.~~475928~~576112% 0.~~137552~~156128% 0.~~068776~~390320% 0.~~000000~~078064% 23.~~682256~~200625% 2.~~672447~~639363% 0.~~118418~~149753% 0.~~113506~~444637% 0.~~000000~~073471% 23.~~904371~~307225%

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 1 0 0 1 ~~363~~348,~~532~~080.2044 0.00 0.00 ~~363~~348,~~532~~080.2044 30 Days 42 0 0 0 42 1893,~~819,697~~282.7992 0.00 0.00 0.00 1893,~~819,697~~282.7992 60 Days 10 0 0 0 10 ~~337,184~~0.1300 0.00 0.00 0.00 ~~337,184~~0.1300 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 01 0 01 0 02 0549,434.0012 0.00 0335,634.0093 0.00 0885,069.0005 180 Days 0 0 10 0 10 0.00 0.00 ~~687,527~~0.8100 0.00 ~~687,527~~0.8100 Totals 53 1 1 0 75 21,~~156~~442,~~881~~717.9204 ~~363~~348,~~532~~080.2044 ~~687~~335,~~527~~634.8193 0.00 32,~~207~~126,~~941~~432.9341 0-29 Days 0.~~318471~~349650% 0.000000% 0.000000% 0.~~318471~~349650% 0.~~302676~~328113% 0.000000% 0.000000% 0.~~302676~~328113% 30 Days 10.~~273885~~699301% 0.000000% 0.000000% 0.000000% 10.~~273885~~699301% 10.~~515074~~842040% 0.000000% 0.000000% 0.000000% 10.~~515074~~842040% 60 Days 0.~~318471~~000000% 0.000000% 0.000000% 0.000000% 0.~~318471~~000000% 0.~~280738~~000000% 0.000000% 0.000000% 0.000000% 0.~~280738~~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~~349650% 0.000000% 0.~~000000~~349650% 0.000000% 0.~~000000~~699301% 0.~~000000~~517916% 0.000000% 0.~~000000~~316381% 0.000000% 0.~~000000~~834297% 180 Days 0.000000% 0.000000% 0.~~318471~~000000% 0.000000% 0.~~318471~~000000% 0.000000% 0.000000% 0.~~572433~~000000% 0.000000% 0.~~572433~~000000% Totals 1.~~592357~~048951% 0.~~318471~~349650% 0.~~318471~~349650% 0.000000% 21.~~229299~~748252% 1.~~795813~~359956% 0.~~302676~~328113% 0.~~572433~~316381% 0.000000% 2.~~670922~~004450% 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 1 0 0 1 ~~353~~443,~~744~~952.3938 0.00 0.00 ~~353~~443,~~744~~952.3938 30 Days 2321 0 0 0 2321 108,~~070~~421,~~173~~148.6609 0.00 0.00 0.00 108,~~070~~421,~~173~~148.6609 60 Days 36 0 0 0 36 12,~~403~~420,~~076~~943.1280 0.00 0.00 0.00 12,~~403~~420,~~076~~943.1280 90 Days 30 0 0 0 30 ~~1,421,820~~0.4400 0.00 0.00 0.00 ~~1,421,820~~0.4400 120 Days 01 0 02 0 03 0418,499.0086 0.00 0959,985.0058 0.00 01,378,485.0044 150 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 180 Days 1 0 0 02 1 ~~666,880.01~~3 0.00 0.00 01,056,027.0064 ~~666~~388,~~880~~583.0155 1,444,611.19 Totals 3028 1 04 01 3134 1311,~~561~~260,~~950~~591.2375 ~~353~~443,~~744~~952.3938 02,016,013.0022 0388,583.0055 1314,~~915~~109,~~694~~140.6290 0-29 Days 0.~~106496~~122549% 0.000000% 0.000000% 0.~~106496~~122549% 0.~~090325~~130856% 0.000000% 0.000000% 0.~~090325~~130856% 30 Days 2.~~449414~~573529% 0.000000% 0.000000% 0.000000% 2.~~449414~~573529% 2.~~571307~~482152% 0.000000% 0.000000% 0.000000% 2.~~571307~~482152% 60 Days 0.~~319489~~735294% 0.000000% 0.000000% 0.000000% 0.~~319489~~735294% 0.~~358260~~713579% 0.000000% 0.000000% 0.000000% 0.~~358260~~713579% 90 Days 0.~~319489~~000000% 0.000000% 0.000000% 0.000000% 0.~~319489~~000000% 0.~~363046~~000000% 0.000000% 0.000000% 0.000000% 0.~~363046~~000000% 120 Days 0.~~000000~~122549% 0.000000% 0.~~000000~~245098% 0.000000% 0.~~000000~~367647% 0.~~000000~~123354% 0.000000% 0.~~000000~~282958% 0.000000% 0.~~000000~~406312% 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.~~106496~~000000% 0.000000% 0.~~000000~~245098% 0.~~000000~~122549% 0.~~106496~~367647% 0.~~170280~~000000% 0.000000% 0.~~000000~~311267% 0.~~000000~~114536% 0.~~170280~~425802% Totals 3.~~194888~~431373% 0.~~106496~~122549% 0.~~000000~~490196% 0.~~000000~~122549% 34.~~301384~~166667% 3.~~462893~~319085% 0.~~090325~~130856% 0.~~000000~~594224% 0.~~000000~~114536% 34.~~553218~~158701% 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 10 0 0 0 10 ~~468,665~~0.0100 0.00 0.00 0.00 ~~468,665~~0.0100 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 10 0 0 0 10 ~~468,665~~0.0100 0.00 0.00 0.00 ~~468,665~~0.0100 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 10.~~515152~~000000% 0.000000% 0.000000% 0.000000% 10.~~515152~~000000% 10.~~489478~~000000% 0.000000% 0.000000% 0.000000% 10.~~489478~~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.~~515152~~000000% 0.000000% 0.000000% 0.000000% 10.~~515152~~000000% 10.~~489478~~000000% 0.000000% 0.000000% 0.000000% 10.~~489478~~000000% 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 02 0 0 0 02 01,256,062.0023 0.00 0.00 0.00 01,256,062.0023 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 02 0 0 0 02 01,256,062.0023 0.00 0.00 0.00 01,256,062.0023 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 01.~~000000~~626016% 0.000000% 0.000000% 0.000000% 01.~~000000~~626016% 02.~~000000~~225975% 0.000000% 0.000000% 0.000000% 02.~~000000~~225975% 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~~626016% 0.000000% 0.000000% 0.000000% 01.~~000000~~626016% 02.~~000000~~225975% 0.000000% 0.000000% 0.000000% 02.~~000000~~225975%

OTHER INFORMATION Current Period Class A Insufficient Funds 0.00 Principal Balance of Contaminated Properties 0.00 Periodic Advance ~~126~~122,~~088~~638.9409

COLLATERAL STATEMENT Collateral Description Mixed Fixed & Arm Weighted Average Gross Coupon 6.~~643834~~639693% Weighted Average Pass-Through Rate 6.~~380577~~376806% Weighted Average Maturity(Stepdown Calculation ) ~~283~~279 Beginning Scheduled Collateral Loan Count 1,~~520~~329 Number Of Loans Paid In Full 6648 Ending Scheduled Collateral Loan Count 1,~~454~~281 Beginning Scheduled Collateral Balance ~~635~~548,~~781~~677,~~054~~767.6120 Ending Scheduled Collateral Balance ~~604~~527,~~712~~916,~~694~~331.9819 Ending Actual Collateral Balance at 3129-~~Dec~~Apr-~~2004~~2005 ~~605~~528,~~718~~891,~~224~~673.6926 Monthly P &I Constant 4,~~826~~222,~~605~~359.2059 Special Servicing Fee 0.00 Prepayment Penalties 0.00 Realized Loss Amount 0.00 Cumulative Realized Loss 0.00 Class A Optimal Amount 3423,~~231~~548,~~723~~107.9863 Class AP Deferred Amount 0.00 Scheduled Principal 1,~~306~~186,~~585~~483.4106 Unscheduled Principal 2919,~~761~~574,~~774~~952.2295

Group Level Collateral Statement Group 1 2 3 Collateral Description Fixed 15 Year Fixed 30 Year Ratio Strip Mixed ARM Weighted Average Coupon Rate 6.~~512454~~502444 6.~~991684~~992729 54.~~022816~~968130 Weighted Average Net Rate 6.~~262650~~252355 6.~~746054~~747638 4.~~652198~~598378 Weighted Average Maturity ~~142~~138 ~~313~~309 ~~330~~326 Beginning Loan Count ~~323~~295 ~~980~~848 7159 Loans Paid In Full 9 4132 53 Ending Loan Count ~~314~~286 ~~939~~816 6656 Beginning Scheduled Balance ~~124~~110,~~790~~199,~~211~~336.4337 ~~409~~352,~~784~~054,~~990~~286.1724 3428,~~062~~307,~~087~~281.6440 Ending scheduled Balance ~~119~~105,~~606~~599,~~863~~475.5746 ~~391~~338,~~236~~877,~~732~~835.0385 3127,~~426~~076,~~771~~231.0787 Record Date 1204/3129/~~2004~~2005 1204/3129/~~2004~~2005 1204/3129/~~2004~~2005 Principal And Interest Constant 1,~~337~~205,~~723~~758.5229 2,~~891~~502,~~250~~189.3245 ~~191~~158,~~054~~806.7715 Scheduled Principal ~~660~~608,~~481~~620.4581 ~~503~~450,~~677~~672.5470 4841,~~481~~610.7893 Unscheduled Principal 43,~~522~~991,~~866~~240.4110 1812,~~044~~725,~~580~~777.6069 21,~~586~~189,~~834~~438.7960 Scheduled Interest ~~677~~597,~~242~~137.0748 2,~~387~~051,~~572~~516.7875 ~~142~~117,~~572~~195.9922 Servicing Fees 2522,~~977~~966.5738 8371,~~879~~904.6042 108,~~520~~722.0123 Master Servicing Fees 0.00 0.00 0.00 Trustee Fee 0.00 0.00 0.00 FRY Amount 0.00 0.00 0.00 Special Hazard Fee 0.00 0.00 0.00 Other Fee 0.00 ~~112~~111.5197 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 ~~651~~574,~~264~~171.5010 21,~~303~~979,~~580~~500.6736 ~~132~~108,~~052~~472.9899 Realized Loss Amount 0.00 0.00 0.00 Cumulative Realized Loss 0.00 0.00 0.00 Percentage of Cumulative Losses 0.0000 0.0000 0.0000 Prepayment Penalties 0.00 0.00 0.00 Special Servicing Fee 0.00 0.00 0.00 Pass-Through Rate 6.~~262650~~252355 6.~~745725~~747256 4.~~652198~~598378

Group Level Collateral Statement Group 4 Total Collateral Description Mixed ARM Mixed Fixed & Arm Weighted Average Coupon Rate 5.~~587389~~575533 6.~~643834~~639693 Weighted Average Net Rate 5.~~248029~~234940 6.~~380577~~377051 Weighted Average Maturity ~~329~~325 ~~283~~279 Beginning Loan Count ~~146~~127 1,~~520~~329 Loans Paid In Full 114 6648 Ending Loan Count ~~135~~123 1,~~454~~281 Beginning Scheduled Balance 6758,~~143~~116,~~765~~863.3719 ~~635~~548,~~781~~677,~~054~~767.6120 Ending scheduled Balance 6256,~~442~~362,~~328~~788.3101 ~~604~~527,~~712~~916,~~694~~331.9819 Record Date 1204/3129/~~2004~~2005 1204/3129/~~2004~~2005 Principal And Interest Constant ~~406~~355,~~576~~605.5970 4,~~826~~222,~~605~~359.2059 Scheduled Principal 9385,~~944~~578.6462 1,~~306~~186,~~585~~483.4106 Unscheduled Principal 41,~~607~~668,~~492~~496.4256 2919,~~761~~574,~~774~~952.2295 Scheduled Interest ~~312~~270,~~631~~027.9508 3,~~520~~035,~~019~~876.7953 Servicing Fees 1816,~~988~~495.2619 ~~139~~120,~~365~~088.4422 Master Servicing Fees 0.00 0.00 Trustee Fee 0.00 0.00 FRY Amount 0.00 0.00 Special Hazard Fee 0.00 0.00 Other Fee 0.00 ~~112~~111.5197 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 ~~293~~253,~~643~~531.6989 32,~~380~~915,~~541~~676.8434 Realized Loss Amount 0.00 0.00 Cumulative Realized Loss 0.00 0.00 Percentage of Cumulative Losses 0.0000 0.0000 Prepayment Penalties 0.00 0.00 Special Servicing Fee 0.00 0.00 Pass-Through Rate 5.~~248029~~234940 6.~~380577~~376806

Miscellaneous Reporting Group 1 Senior % 98.~~905120~~786513% Senior Prepayment % 100.000000% Subordinate % 1.~~094880~~213487% Group 2 Senior % 9796.~~135672~~683315% Senior Prepayment % 100.000000% Subordinate % 23.~~864328~~316685% Group 3 Senior % 9695.~~598495~~930473% Senior Prepayment % 100.000000% Subordinate % 34.~~401505~~069527%

Miscellaneous Reporting Group 4 Senior % 96.~~806796~~331834% Senior Prepayment % 100.000000% Subordinate % 3.~~193204~~668166%

Group

Filing Compare · MASTR Seasoned Securitization Trust 2004-1