8-K 1 mam05001_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 ADJUSTABLE RATE MORTGAGES TRUST Mortgage Pass-Through Certificates, Series 2005-1 Trust (Exact name of registrant as specified in its charter) New York (governing law of 333-106982-61 Pooling and Servicing Agreement) (Commission 54-2165492 (State or other File Number) 54-2165493 jurisdiction 54-2165494 of Incorporation) 54-6651117 IRS EIN 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 ADJUSTABLE RATE MORTGAGES TRUST, Mortgage Pass-Through Certificates, Series 2005-1 Trust. ITEM 9.01 Financial Statements and Exhibits (c) Exhibits Exhibit Number Description EX-99.1 Monthly report distributed to holders of Mortgage Pass-Through Certificates, Series 2005-1 Trust, relating to the May 25, 2005 distribution. Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. MASTR ADJUSTABLE RATE MORTGAGES TRUST Mortgage Pass-Through Certificates, Series 2005-1 Trust (Registrant) By: Wells Fargo Bank, N.A. as Master Servicer By: /s/ Beth Belfield as Officer By: Beth Belfield as Officer Date: 5/31/2005 INDEX TO EXHIBITS Exhibit Number Description EX-99.1 Monthly report distributed to holders of Mortgage Pass-Through Certificates, Series 2005-1 Trust, relating to the May 25, 2005 distribution. EX-99.1

MASTR Adjustable Rate Mortgages Trust Mortgage Pass-Through Certificates Record Date: 34/3129/2005 Distribution Date: 45/25/2005 MASTR Adjustable Rate Mortgages Trust Mortgage Pass-Through Certificates Series 2005-1 Contact: Customer Service - CTSLink Wells Fargo Bank, N.A. Securities Administration Services 7485 New Horizon Way Frederick, MD 21703 Telephone: (301) 815-6600 Fax: (301) 815-6660 Certificateholder Distribution Summary Certificate Certificate Beginning Class Pass-Through Certificate Interest Principal Class CUSIP Description Rate Balance Distribution Distribution 1-A-1 576433WX0 SEN 3.~~12000~~29000% 5251,~~001~~029,~~647~~739.0233 ~~135~~139,~~172~~906.0054 ~~971~~3,~~907~~002,790.6915 1-A-X 576433WY8 IO 1.~~60671~~49217% 0.00 6963,~~609~~454.8438 0.00 A-UR 576433XL5 SEN 4.~~71249~~76119% 0.00 10.7282 0.00 A-LR 576433XK7 SEN 4.~~71249~~76119% 0.00 0.00 0.00 2-A-1 576433WZ5 SEN 5.~~65317~~65951% 6765,~~392~~942,~~358~~955.4496 ~~317~~311,~~407~~003.7273 1,~~449~~029,~~402~~770.4877 3-A-1 576433XA9 SEN 5.~~19826~~19827% 45,~~558~~556,~~787~~035.8422 197,~~308~~343.2393 2507,~~752~~584.6286 4-A-1 576433XB7 SEN 5.~~27253~~26802% ~~167~~165,~~921~~339,~~409~~559.0853 ~~737~~725,~~632~~843.6238 23,~~581~~344,~~849~~998.5587 5-A-1 576433XC5 SEN 5.~~10217~~09641% ~~233~~227,~~100~~910,~~667~~477.7173 ~~990~~967,~~862~~938.8849 56,~~190~~474,~~189~~596.9709 6-A-1 576433XD3 SEN 5.~~35280~~34777% ~~220~~216,~~359~~928,~~880~~727.4789 ~~982~~966,~~717~~737.3828 32,~~431~~243,152.5871 7-A-1 576433XE1 SEN 5.~~01837~~00740% 4645,~~990~~862,~~140~~780.0408 ~~196~~191,~~464~~377.8854 1,~~127~~054,~~359~~119.9622 7-A-2 576433XQ4 SEN 5.~~01837~~00740% ~~185~~181,~~611~~157,~~053~~981.1532 ~~776~~755,~~036~~941.2628 4,~~453~~163,~~071~~770.8393 7-A-3 576433XR2 SEN 5.~~01837~~00740% 13,~~920~~586,~~828~~848.9960 5856,~~202~~695.7260 ~~333~~312,~~980~~282.3982 8-A-1 576433XF8 SEN 5.~~28723~~28163% 6563,~~397~~272,~~160~~163.5152 ~~288~~278,~~073~~483.0134 2762,~~124,996~~740.9941 8-A-2 576433XS0 SEN 5.~~28723~~28163% 4,~~905~~746,~~773~~366.1231 2120,~~609~~890.8245 ~~159~~57,~~406~~217.8203 9-A-1 576433XG6 SEN 5.~~31902~~31985% 32,~~319~~125,~~487~~274.7434 ~~143~~142,~~222~~418.3204 ~~194~~886,~~213~~112.4078 10-A-1 576433XH4 SEN 5.~~03062~~03033% 119,~~482~~236,~~126~~033.8662 ~~500~~499,~~771~~830.3191 ~~246~~1,~~093~~707,993.2464 B-1 576433XM3 SUB 5.~~20806~~20648% 44,~~084~~072,~~375~~007.2546 191,~~282~~216.6361 12,~~367~~550.8014 B-2 576433XN1 SUB 5.~~20806~~20648% 19,~~287~~281,~~226~~815.50 83,~~687~~658.5162 5,~~411~~490.0078 B-3 576433XP6 SUB 5.~~20806~~20648% 12,~~399~~395,~~074~~595.1056 53,~~799~~781.7316 3,~~478~~529.5483 B-4 576433WU6 SUB 5.~~20806~~20648% 11,~~710~~707,~~458~~173.7540 50,~~811~~794.8228 3,~~285~~333.3579 B-5 576433WV4 SUB 5.~~20806~~20648% 9,~~643~~640,~~613~~907.2575 41,~~843~~829.7531 2,~~705~~745.5039 B-6 576433WW2 SUB 5.~~20806~~20648% 6,~~200~~198,~~061~~322.7634 26,~~902~~892.1486 1,~~739~~765.4206 P 576433XT8 SEN 0.00000% 0.01 1650,~~833~~904.3544 0.00 Totals 1,~~358~~335,~~286~~990,~~130~~765.5947 5,~~880~~816,~~253~~942.6499 2225,~~295~~576,~~365~~545.1327

Certificateholder Distribution Summary (continued) Current Ending Cumulative Realized Certificate Total Realized Class Loss Balance Distribution Losses 1-A-1 0.00 5148,~~029~~026,~~739~~949.3318 13,~~107~~142,~~079~~696.69 0.00 1-A-X 0.00 0.00 6963,~~609~~454.8438 0.00 A-UR 0.00 0.00 10.7282 0.00 A-LR 0.00 0.00 0.00 0.00 2-A-1 0.00 6564,~~942~~913,~~955~~185.9619 1,~~766~~340,~~810~~774.2050 0.00 3-A-1 0.00 45,~~556~~048,~~035~~450.2236 ~~200~~704,~~060~~928.8579 0.00 4-A-1 0.00 ~~165~~161,~~339~~994,~~559~~560.5366 34,~~319~~070,~~482~~842.1725 0.00 5-A-1 0.00 ~~227~~221,~~910~~435,~~477~~881.7364 67,~~181~~442,~~052~~534.8558 0.00 6-A-1 0.00 ~~216~~214,~~928~~685,~~727~~575.8918 43,~~413~~209,~~869~~889.9699 0.00 7-A-1 0.00 4544,~~862~~808,~~780~~660.0886 1,~~323~~245,~~824~~496.8476 0.00 7-A-2 0.00 ~~181~~176,~~157~~994,~~981~~210.3240 54,~~229~~919,~~108~~712.0921 0.00 7-A-3 0.00 13,~~586~~274,~~848~~565.6078 ~~392~~368,~~183~~978.1142 0.00 8-A-1 0.00 6362,~~272~~509,~~163~~423.5211 21,~~413~~041,~~070~~223.0075 0.00 8-A-2 0.00 4,~~746~~689,~~366~~149.3128 ~~181~~78,~~016~~107.6448 0.00 9-A-1 0.00 3231,~~125~~239,~~274~~161.3456 ~~337~~1,~~435~~028,530.7282 0.00 10-A-1 0.00 ~~119~~117,~~236~~528,~~033~~039.6298 ~~746~~2,~~864~~207,824.55 0.00 B-1 0.00 44,~~072~~059,~~007~~457.4632 203,~~650~~766.4375 0.00 B-2 0.00 19,~~281~~276,~~815~~324.5073 89,~~098~~149.5140 0.00 B-3 0.00 12,~~395~~392,~~595~~065.5673 57,~~278~~310.2799 0.00 B-4 0.00 11,~~707~~703,~~173~~839.4061 54,~~097~~128.1707 0.00 B-5 0.00 9,~~640~~638,~~907~~162.7536 44,~~549~~574.2570 0.00 B-6 0.00 6,~~198~~196,~~322~~557.3428 28,~~641~~657.5692 0.00 P 0.00 0.01 1650,~~833~~904.3544 0.00 Totals 0.00 1,~~335~~310,~~990~~414,~~765~~220.4722 2831,~~175~~393,~~618~~488.7726 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 53,111,000.00 5251,~~001~~029,~~647~~739.0233 1514,~~181~~853.0578 ~~956~~2,~~726~~987,936.6437 0.00 0.00 1-A-X 0.00 0.00 0.00 0.00 0.00 0.00 A-UR 50.00 0.00 0.00 0.00 0.00 0.00 A-LR 50.00 0.00 0.00 0.00 0.00 0.00 2-A-1 70,538,000.00 6765,~~392~~942,~~358~~955.4496 16,~~635~~037.6638 1,~~432~~013,~~766~~733.8239 0.00 0.00 3-A-1 45,572,000.00 45,~~558~~556,~~787~~035.8422 2,~~284~~295.0777 ~~468~~505,289.5509 0.00 0.00 4-A-1 169,694,000.00 ~~167~~165,~~921~~339,~~409~~559.0853 7,~~818~~468.1177 23,~~574~~337,~~031~~530.4410 0.00 0.00 5-A-1 236,060,000.00 ~~233~~227,~~100~~910,~~667~~477.7173 22,~~536~~594.0692 56,~~167~~452,~~653~~001.9117 0.00 0.00 6-A-1 223,196,000.00 ~~220~~216,~~359~~928,~~880~~727.4789 26,~~851~~117.5973 32,~~404~~217,~~300~~034.9998 0.00 0.00 7-A-1 48,000,000.00 4645,~~990~~862,~~140~~780.0408 1314,~~533~~030.3869 1,~~113~~040,~~826~~088.5753 0.00 0.00 7-A-2 189,600,000.00 ~~185~~181,~~611~~157,~~053~~981.1532 5355,~~456~~421.8722 4,~~399~~108,~~614~~349.9671 0.00 0.00 7-A-3 14,220,000.00 13,~~920~~586,~~828~~848.9960 4,~~009~~156.2759 ~~329~~308,~~971~~126.1223 0.00 0.00 8-A-1 66,320,000.00 6563,~~397~~272,~~160~~163.5152 2928,~~617~~827.9922 2733,~~095,379~~913.0018 0.00 0.00 8-A-2 4,975,000.00 4,~~905~~746,~~773~~366.1231 2,~~221~~162.8048 ~~157~~55,~~185~~054.0256 0.00 0.00 9-A-1 32,807,000.00 32,~~319~~125,~~487~~274.7434 19,~~145~~939.9359 ~~175~~866,~~067~~173.4719 0.00 0.00 10-A-1 120,957,000.00 119,~~482~~236,~~126~~033.8662 ~~141~~142,~~210~~277.5545 ~~104~~1,~~882~~565,716.6919 0.00 0.00 B-1 44,109,000.00 44,~~084~~072,~~375~~007.2546 12,~~367~~550.8014 0.00 0.00 0.00 B-2 19,298,000.00 19,~~287~~281,~~226~~815.50 5,~~411~~490.0078 0.00 0.00 0.00 B-3 12,406,000.00 12,~~399~~395,~~074~~595.1056 3,~~478~~529.5483 0.00 0.00 0.00 B-4 11,717,000.00 11,~~710~~707,~~458~~173.7540 3,~~285~~333.3579 0.00 0.00 0.00 B-5 9,649,000.00 9,~~643~~640,~~613~~907.2575 2,~~705~~745.5039 0.00 0.00 0.00 B-6 6,203,525.00 6,~~200~~198,~~061~~322.7634 1,~~739~~765.4206 0.00 0.00 0.00 P 0.01 0.01 0.00 0.00 0.00 0.00 Totals 1,378,432,625.01 1,~~358~~335,~~286~~990,~~130~~765.5947 ~~383~~385,~~489~~598.9458 2125,~~911~~190,~~875~~946.1869 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 ~~971~~3,~~907~~002,790.6915 5148,~~029~~026,~~739~~949.3318 0.~~96081300~~90427499 ~~971~~3,~~907~~002,790.6915 1-A-X 0.00 0.00 0.00000000 0.00 A-UR 0.00 0.00 0.00000000 0.00 A-LR 0.00 0.00 0.00000000 0.00 2-A-1 1,~~449~~029,~~402~~770.4877 6564,~~942~~913,~~955~~185.9619 0.~~93485718~~92025837 1,~~449~~029,~~402~~770.4877 3-A-1 2507,~~752~~584.6286 45,~~556~~048,~~035~~450.2236 0.~~99964968~~98851159 2507,~~752~~584.6286 4-A-1 23,~~581~~344,~~849~~998.5587 ~~165~~161,~~339~~994,~~559~~560.5366 0.~~97433946~~95462751 23,~~581~~344,~~849~~998.5587 5-A-1 56,~~190~~474,~~189~~596.9709 ~~227~~221,~~910~~435,~~477~~881.7364 0.~~96547690~~93804915 56,~~190~~474,~~189~~596.9709 6-A-1 32,~~431~~243,152.5871 ~~216~~214,~~928~~685,~~727~~575.8918 0.~~97192032~~96187017 32,~~431~~243,152.5871 7-A-1 1,~~127~~054,~~359~~119.9622 4544,~~862~~808,~~780~~660.0886 0.~~95547459~~93351377 1,~~127~~054,~~359~~119.9622 7-A-2 4,~~453~~163,~~071~~770.8393 ~~181~~176,~~157~~994,~~981~~210.3240 0.~~95547459~~93351377 4,~~453~~163,~~071~~770.8393 7-A-3 ~~333~~312,~~980~~282.3982 13,~~586~~274,~~848~~565.6078 0.~~95547459~~93351377 ~~333~~312,~~980~~282.3982 8-A-1 2762,~~124,996~~740.9941 6362,~~272~~509,~~163~~423.5211 0.~~95404348~~94254257 2762,~~124,996~~740.9941 8-A-2 ~~159~~57,~~406~~217.8203 4,~~746~~689,~~366~~149.3128 0.~~95404348~~94254257 ~~159~~57,~~406~~217.8203 9-A-1 ~~194~~886,~~213~~112.4078 3231,~~125~~239,~~274~~161.3456 0.~~97922012~~95221025 ~~194~~886,~~213~~112.4078 10-A-1 ~~246~~1,~~093~~707,993.2464 ~~119~~117,~~236~~528,~~033~~039.6298 0.~~98577208~~97165141 ~~246~~1,~~093~~707,993.2464 B-1 12,~~367~~550.8014 44,~~072~~059,~~007~~457.4632 0.~~99916134~~99887681 12,~~367~~550.8014 B-2 5,~~411~~490.0078 19,~~281~~276,~~815~~324.5073 0.~~99916134~~99887681 5,~~411~~490.0078 B-3 3,~~478~~529.5483 12,~~395~~392,~~595~~065.5673 0.~~99916134~~99887681 3,~~478~~529.5483 B-4 3,~~285~~333.3579 11,~~707~~703,~~173~~839.4061 0.~~99916134~~99887681 3,~~285~~333.3579 B-5 2,~~705~~745.5039 9,~~640~~638,~~907~~162.7536 0.~~99916134~~99887681 2,~~705~~745.5039 B-6 1,~~739~~765.4206 6,~~198~~196,~~322~~557.3428 0.~~99916134~~99887681 1,~~739~~765.4206 P 0.00 0.01 1.00000000 0.00 Totals 2225,~~295~~576,~~365~~545.1327 1,~~335~~310,~~990~~414,~~765~~220.4722 0.~~96921006~~95065526 2225,~~295~~576,~~365~~545.1327

Principal Distribution Factors Statement Original Beginning Scheduled Unscheduled Face Certificate Principal Principal Class (2) Amount Balance Distribution Distribution Accretion 1-A-1 53,111,000.00 ~~979~~960.~~11255710~~81300164 0.~~28583627~~27967427 1856.~~01371919~~25833387 0.00000000 1-A-X 0.00 0.00000000 0.00000000 0.00000000 0.00000000 A-UR 50.00 0.00000000 0.00000000 0.00000000 0.00000000 A-LR 50.00 0.00000000 0.00000000 0.00000000 0.00000000 2-A-1 70,538,000.00 ~~955~~934.~~40500780~~85718280 0.~~23583969~~22735802 2014.~~31198531~~37145071 0.00000000 3-A-1 45,572,000.00 999.~~71008163~~64968007 0.~~05012003~~05037677 011.~~01028153~~08770934 0.00000000 4-A-1 169,694,000.00 ~~989~~974.~~55419213~~33945531 0.~~04607181~~04401316 1519.~~16866501~~66793228 0.00000000 5-A-1 236,060,000.00 ~~987~~965.~~46364361~~47690303 0.~~09546751~~09571685 2127.~~89127302~~33203918 0.00000000 6-A-1 223,196,000.00 ~~987~~971.~~29314356~~92032066 0.~~12030498~~11701702 159.~~25251792~~93313043 0.00000000 7-A-1 48,000,000.00 ~~978~~955.~~96125083~~47458500 0.~~28194542~~29230604 2321.~~20472021~~66851104 0.00000000 7-A-2 189,600,000.00 ~~978~~955.~~96125079~~47458502 0.~~28194552~~29230601 2321.~~20472025~~66851113 0.00000000 7-A-3 14,220,000.00 ~~978~~955.~~96125105~~47458509 0.~~28194585~~29230591 2321.~~20472011~~66851125 0.00000000 8-A-1 66,320,000.00 ~~986~~954.~~08504991~~04347889 0.~~44659213~~43466858 3111.~~59497889~~06624216 0.00000000 8-A-2 4,975,000.00 ~~986~~954.~~08504925~~04347940 0.~~44659296~~43466935 3111.~~59497889~~06624322 0.00000000 9-A-1 32,807,000.00 ~~985~~979.~~13999268~~22011583 0.~~58359283~~60778462 526.~~33628402~~40208462 0.00000000 10-A-1 120,957,000.00 ~~987~~985.~~80663260~~77208115 1.~~16744422~~17626471 012.~~86710724~~94440330 0.00000000 B-1 44,109,000.00 999.~~44172958~~16133805 0.~~28039176~~28452561 0.00000000 0.00000000 B-2 19,298,000.00 999.~~44172971~~16133796 0.~~28039175~~28452586 0.00000000 0.00000000 B-3 12,406,000.00 999.~~44172981~~16133806 0.~~28039175~~28452604 0.00000000 0.00000000 B-4 11,717,000.00 999.~~44172997~~16133823 0.~~28039174~~28452590 0.00000000 0.00000000 B-5 9,649,000.00 999.~~44172971~~16133796 0.~~28039175~~28452586 0.00000000 0.00000000 B-6 6,203,525.00 999.~~44173031~~16133811 0.~~28039220~~28452533 0.00000000 0.00000000 P 0.01 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 1856.~~29955546~~53800813 ~~960~~904.~~81300164~~27499350 0.~~96081300~~90427499 1856.~~29955546~~53800813 1-A-X 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 A-UR 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 A-LR 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 2-A-1 0.00000000 2014.~~54782500~~59880873 ~~934~~920.~~85718280~~25837407 0.~~93485718~~92025837 2014.~~54782500~~59880873 3-A-1 0.00000000 011.~~06040156~~13808611 ~~999~~988.~~64968007~~51159396 0.~~99964968~~98851159 011.~~06040156~~13808611 4-A-1 0.00000000 1519.~~21473682~~71194544 ~~974~~954.~~33945531~~62750987 0.~~97433946~~95462751 1519.~~21473682~~71194544 5-A-1 0.00000000 2127.~~98674053~~42775604 ~~965~~938.~~47690303~~04914700 0.~~96547690~~93804915 2127.~~98674053~~42775604 6-A-1 0.00000000 1510.~~37282290~~05014745 ~~971~~961.~~92032066~~87017321 0.~~97192032~~96187017 1510.~~37282290~~05014745 7-A-1 0.00000000 2321.~~48666583~~96081708 ~~955~~933.~~47458500~~51376792 0.~~95547459~~93351377 2321.~~48666583~~96081708 7-A-2 0.00000000 2321.~~48666577~~96081714 ~~955~~933.~~47458502~~51376793 0.~~95547459~~93351377 2321.~~48666577~~96081714 7-A-3 0.00000000 2321.~~48666596~~96081716 ~~955~~933.~~47458509~~51376793 0.~~95547459~~93351377 2321.~~48666596~~96081716 8-A-1 0.00000000 3211.~~04157102~~50091089 ~~954~~942.~~04347889~~54256800 0.~~95404348~~94254257 3211.~~04157102~~50091089 8-A-2 0.00000000 3211.~~04157186~~50091055 ~~954~~942.~~04347940~~54256884 0.~~95404348~~94254257 3211.~~04157186~~50091055 9-A-1 0.00000000 527.~~91987686~~00986924 ~~979~~952.~~22011583~~21024659 0.~~97922012~~95221025 527.~~91987686~~00986924 10-A-1 0.00000000 214.~~03455145~~12066801 ~~985~~971.~~77208115~~65141315 0.~~98577208~~97165141 214.~~03455145~~12066801 B-1 0.00000000 0.~~28039176~~28452561 ~~999~~998.~~16133805~~87681244 0.~~99916134~~99887681 0.~~28039176~~28452561 B-2 0.00000000 0.~~28039175~~28452586 ~~999~~998.~~16133796~~87681262 0.~~99916134~~99887681 0.~~28039175~~28452586 B-3 0.00000000 0.~~28039175~~28452604 ~~999~~998.~~16133806~~87681203 0.~~99916134~~99887681 0.~~28039175~~28452604 B-4 0.00000000 0.~~28039174~~28452590 ~~999~~998.~~16133823~~87681232 0.~~99916134~~99887681 0.~~28039174~~28452590 B-5 0.00000000 0.~~28039175~~28452586 ~~999~~998.~~16133796~~87681210 0.~~99916134~~99887681 0.~~28039175~~28452586 B-6 0.00000000 0.~~28039220~~28452533 ~~999~~998.~~16133811~~87681278 0.~~99916134~~99887681 0.~~28039220~~28452533 P 0.00000000 0.00000000 0.00000000 1.00000000 0.00000000 (3) Amount Does Not Include Excess Special Hazard, Bankruptcy, or Fraud Losses Unless Otherwise Disclosed. Please Refer to the Prospectus Supplement for a Full Description.

Interest Distribution Statement Beginning Payment of Original Current Certificate/ Current Unpaid Current Face Certificate Notional Accrued Interest Interest Class Amount Rate Balance Interest Shortfall Shortfall 1-A-1 53,111,000.00 3.~~12000~~29000% 5251,~~001~~029,~~647~~739.0233 ~~135~~139,~~204~~906.2854 0.00 0.00 1-A-X 0.00 1.~~60671~~49217% 5251,~~001~~029,~~647~~739.0233 6963,~~626~~454.4738 0.00 0.00 A-UR 50.00 4.~~71249~~76119% 0.00 0.00 0.00 0.00 A-LR 50.00 4.~~71249~~76119% 0.00 0.00 0.00 0.00 2-A-1 70,538,000.00 5.~~65317~~65951% 6765,~~392~~942,~~358~~955.4496 ~~317~~311,~~483~~003.5373 0.00 0.00 3-A-1 45,572,000.00 5.~~19826~~19827% 45,~~558~~556,~~787~~035.8422 197,~~355~~343.3693 0.00 0.00 4-A-1 169,694,000.00 5.~~27253~~26802% ~~167~~165,~~921~~339,~~409~~559.0853 ~~737~~725,~~808~~843.8038 0.00 0.00 5-A-1 236,060,000.00 5.~~10217~~09641% ~~233~~227,~~100~~910,~~667~~477.7173 ~~991~~967,~~099~~938.5449 0.00 0.00 6-A-1 223,196,000.00 5.~~35280~~34777% ~~220~~216,~~359~~928,~~880~~727.4789 ~~982~~966,~~952~~737.0928 0.00 0.00 7-A-1 48,000,000.00 5.~~01837~~00740% 4645,~~990~~862,~~140~~780.0408 ~~196~~191,~~511~~377.8054 0.00 0.00 7-A-2 189,600,000.00 5.~~01837~~00740% ~~185~~181,~~611~~157,~~053~~981.1532 ~~776~~755,~~221~~941.6128 0.00 0.00 7-A-3 14,220,000.00 5.~~01837~~00740% 13,~~920~~586,~~828~~848.9960 5856,~~216~~695.6260 0.00 0.00 8-A-1 66,320,000.00 5.~~28723~~28163% 6563,~~397~~272,~~160~~163.5152 ~~288~~278,~~141~~483.8134 0.00 0.00 8-A-2 4,975,000.00 5.~~28723~~28163% 4,~~905~~746,~~773~~366.1231 2120,~~614~~890.9845 0.00 0.00 9-A-1 32,807,000.00 5.~~31902~~31985% 32,~~319~~125,~~487~~274.7434 ~~143~~142,~~256~~418.5304 0.00 0.00 10-A-1 120,957,000.00 5.~~03062~~03033% 119,~~482~~236,~~126~~033.8662 ~~500~~499,~~890~~830.91 0.00 0.00 B-1 44,109,000.00 5.~~20806~~20648% 44,~~084~~072,~~375~~007.2546 191,~~328~~216.3261 0.00 0.00 B-2 19,298,000.00 5.~~20806~~20648% 19,~~287~~281,~~226~~815.50 83,~~707~~658.5062 0.00 0.00 B-3 12,406,000.00 5.~~20806~~20648% 12,~~399~~395,~~074~~595.1056 53,~~812~~781.5816 0.00 0.00 B-4 11,717,000.00 5.~~20806~~20648% 11,~~710~~707,~~458~~173.7540 50,~~823~~794.9628 0.00 0.00 B-5 9,649,000.00 5.~~20806~~20648% 9,~~643~~640,~~613~~907.2575 41,~~853~~829.7531 0.00 0.00 B-6 6,203,525.00 5.~~20806~~20648% 6,~~200~~198,~~061~~322.7634 26,~~908~~892.5786 0.00 0.00 P 0.01 0.00000% 0.01 0.00 0.00 0.00 Totals 1,378,432,625.01 5,~~864~~766,~~819~~037.0173 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-1 320.2800 0.00 ~~135~~139,~~172~~906.0054 0.00 5148,~~029~~026,~~739~~949.3318 1-A-X 160.6300 0.00 6963,~~609~~454.8438 0.00 5148,~~029~~026,~~739~~949.3318 A-UR 0.00 0.00 10.7282 0.00 0.00 A-LR 0.00 0.00 0.00 0.00 0.00 2-A-1 750.8100 0.00 ~~317~~311,~~407~~003.7273 0.00 6564,~~942~~913,~~955~~185.9619 3-A-1 470.1300 0.00 197,~~308~~343.2393 0.00 45,~~556~~048,~~035~~450.2236 4-A-1 ~~176~~0.1800 0.00 ~~737~~725,~~632~~843.6238 0.00 ~~165~~161,~~339~~994,~~559~~560.5366 5-A-1 ~~236~~0.6600 0.00 ~~990~~967,~~862~~938.8849 0.00 ~~227~~221,~~910~~435,~~477~~881.7364 6-A-1 ~~234~~0.7200 0.00 ~~982~~966,~~717~~737.3828 0.00 ~~216~~214,~~928~~685,~~727~~575.8918 7-A-1 460.9200 0.00 ~~196~~191,~~464~~377.8854 0.00 4544,~~862~~808,~~780~~660.0886 7-A-2 ~~185~~0.3500 0.00 ~~776~~755,~~036~~941.2628 0.00 ~~181~~176,~~157~~994,~~981~~210.3240 7-A-3 130.9000 0.00 5856,~~202~~695.7260 0.00 13,~~586~~274,~~848~~565.6078 8-A-1 680.8000 0.00 ~~288~~278,~~073~~483.0134 0.00 6362,~~272~~509,~~163~~423.5211 8-A-2 50.1600 0.00 2120,~~609~~890.8245 0.00 4,~~746~~689,~~366~~149.3128 9-A-1 340.2100 0.00 ~~143~~142,~~222~~418.3204 0.00 3231,~~125~~239,~~274~~161.3456 10-A-1 ~~119~~0.6100 0.00 ~~500~~499,~~771~~830.3191 0.00 ~~119~~117,~~236~~528,~~033~~039.6298 B-1 450.6900 0.00 191,~~282~~216.6361 0.00 44,~~072~~059,~~007~~457.4632 B-2 190.9900 0.00 83,~~687~~658.5162 0.00 19,~~281~~276,~~815~~324.5073 B-3 120.8500 0.00 53,~~799~~781.7316 0.00 12,~~395~~392,~~595~~065.5673 B-4 120.1400 0.00 50,~~811~~794.8228 0.00 11,~~707~~703,~~173~~839.4061 B-5 90.9900 0.00 41,~~843~~829.7531 0.00 9,~~640~~638,~~907~~162.7536 B-6 60.4300 0.00 26,~~902~~892.1486 0.00 6,~~198~~196,~~322~~557.3428 P 0.00 0.00 1650,~~833~~904.3544 0.00 0.01 Totals ~~1,400~~0.4500 0.00 5,~~880~~816,~~253~~942.6499 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 53,111,000.00 3.~~12000~~29000% ~~979~~960.~~11255710~~81300164 2.~~54569261~~63422907 0.00000000 0.00000000 1-A-X 0.00 1.~~60671~~49217% ~~979~~960.~~11255710~~81300164 1.~~31096138~~19475024 0.00000000 0.00000000 A-UR 50.00 4.~~71249~~76119% 0.00000000 0.00000000 0.00000000 0.00000000 A-LR 50.00 4.~~71249~~76119% 0.00000000 0.00000000 0.00000000 0.00000000 2-A-1 70,538,000.00 5.~~65317~~65951% ~~955~~934.~~40500780~~85718280 4.~~50088647~~40902393 0.00000000 0.00000000 3-A-1 45,572,000.00 5.~~19826~~19827% 999.~~71008163~~64968007 4.~~33062758~~33037677 0.00000000 0.00000000 4-A-1 169,694,000.00 5.~~27253~~26802% ~~989~~974.~~55419213~~33945531 4.~~34787795~~27736620 0.00000000 0.00000000 5-A-1 236,060,000.00 5.~~10217~~09641% ~~987~~965.~~46364361~~47690303 4.~~19850691~~10039181 0.00000000 0.00000000 6-A-1 223,196,000.00 5.~~35280~~34777% ~~987~~971.~~29314356~~92032066 4.~~40398614~~33133784 0.00000000 0.00000000 7-A-1 48,000,000.00 5.~~01837~~00740% ~~978~~955.~~96125083~~47458500 43.~~09399583~~98703208 0.00000000 0.00000000 7-A-2 189,600,000.00 5.~~01837~~00740% ~~978~~955.~~96125079~~47458502 43.~~09399583~~98703207 0.00000000 0.00000000 7-A-3 14,220,000.00 5.~~01837~~00740% ~~978~~955.~~96125105~~47458509 43.~~09399578~~98703235 0.00000000 0.00000000 8-A-1 66,320,000.00 5.~~28723~~28163% ~~986~~954.~~08504991~~04347889 4.~~34471969~~19908534 0.00000000 0.00000000 8-A-2 4,975,000.00 5.~~28723~~28163% ~~986~~954.~~08504925~~04347940 4.~~34471960~~19908543 0.00000000 0.00000000 9-A-1 32,807,000.00 5.~~31902~~31985% ~~985~~979.~~13999268~~22011583 4.~~36664523~~34108696 0.00000000 0.00000000 10-A-1 120,957,000.00 5.~~03062~~03033% ~~987~~985.~~80663260~~77208115 4.~~14106592~~13230247 0.00000000 0.00000000 B-1 44,109,000.00 5.~~20806~~20648% 999.~~44172958~~16133805 4.~~33762543~~33509284 0.00000000 0.00000000 B-2 19,298,000.00 5.~~20806~~20648% 999.~~44172971~~16133796 4.~~33762566~~33509276 0.00000000 0.00000000 B-3 12,406,000.00 5.~~20806~~20648% 999.~~44172981~~16133806 4.~~33762534~~33509270 0.00000000 0.00000000 B-4 11,717,000.00 5.~~20806~~20648% 999.~~44172997~~16133823 4.~~33762567~~33509260 0.00000000 0.00000000 B-5 9,649,000.00 5.~~20806~~20648% 999.~~44172971~~16133796 4.~~33762566~~33509276 0.00000000 0.00000000 B-6 6,203,525.00 5.~~20806~~20648% 999.~~44173031~~16133811 4.~~33762579~~33509335 0.00000000 0.00000000 P 0.01 0.00000% 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.~~00060778~~00000000 0.00000000 2.~~54508482~~63422907 0.00000000 ~~960~~904.~~81300164~~27499350 1-A-X 0.~~00031312~~00000000 0.00000000 1.~~31064826~~19475024 0.00000000 ~~960~~904.~~81300164~~27499350 A-UR 0.00000000 0.00000000 3416.40000000 0.00000000 0.00000000 A-LR 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 2-A-1 0.~~00107474~~00000000 0.00000000 4.~~49981173~~40902393 0.00000000 ~~934~~920.~~85718280~~25837407 3-A-1 0.~~00103419~~00000000 0.00000000 4.~~32959339~~33037677 0.00000000 ~~999~~988.~~64968007~~51159396 4-A-1 0.~~00103822~~00000000 0.00000000 4.~~34683972~~27736620 0.00000000 ~~974~~954.~~33945531~~62750987 5-A-1 0.~~00100254~~00000000 0.00000000 4.~~19750436~~10039181 0.00000000 ~~965~~938.~~47690303~~04914700 6-A-1 0.~~00105163~~00000000 0.00000000 4.~~40293455~~33133784 0.00000000 ~~971~~961.~~92032066~~87017321 7-A-1 0.~~00097750~~00000000 0.00000000 43.~~09301833~~98703208 0.00000000 ~~955~~933.~~47458500~~51376792 7-A-2 0.~~00097758~~00000000 0.00000000 43.~~09301825~~98703207 0.00000000 ~~955~~933.~~47458502~~51376793 7-A-3 0.~~00097750~~00000000 0.00000000 43.~~09301828~~98703235 0.00000000 ~~955~~933.~~47458509~~51376793 8-A-1 0.~~00103739~~00000000 0.00000000 4.~~34368230~~19908534 0.00000000 ~~954~~942.~~04347889~~54256800 8-A-2 0.~~00103719~~00000000 0.00000000 4.~~34368241~~19908543 0.00000000 ~~954~~942.~~04347940~~54256884 9-A-1 0.~~00104277~~00000000 0.00000000 4.~~36560246~~34108696 0.00000000 ~~979~~952.~~22011583~~21024659 10-A-1 0.~~00098886~~00000000 0.00000000 4.~~14007713~~13230247 0.00000000 ~~985~~971.~~77208115~~65141315 B-1 0.~~00103584~~00000000 0.00000000 4.~~33658958~~33509284 0.00000000 ~~999~~998.~~16133805~~87681244 B-2 0.~~00103586~~00000000 0.00000000 4.~~33658980~~33509276 0.00000000 ~~999~~998.~~16133796~~87681262 B-3 0.~~00103579~~00000000 0.00000000 4.~~33658955~~33509270 0.00000000 ~~999~~998.~~16133806~~87681203 B-4 0.~~00103610~~00000000 0.00000000 4.~~33658957~~33509260 0.00000000 ~~999~~998.~~16133823~~87681232 B-5 0.~~00103534~~00000000 0.00000000 4.~~33658928~~33509276 0.00000000 ~~999~~998.~~16133796~~87681210 B-6 0.~~00103651~~00000000 0.00000000 4.~~33658928~~33509335 0.00000000 ~~999~~998.~~16133811~~87681278 P 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 (6) Amount Does Not Include Excess Special Hazard, Bankruptcy,or Fraud Losses Unless Otherwise Disclosed. Please Refer to the Prospectus Supplement for a Full Description.

CERTIFICATEHOLDER ACCOUNT STATEMENT CERTIFICATE ACCOUNT Beginning Balance 0.00 Deposits Payments of Interest and Principal 2831,~~514~~692,~~576~~458.2151 Liquidations, Insurance Proceeds, Reserve Funds 0.00 Proceeds from Repurchased Loans 0.00 Other Amounts (Servicer Advances) 0.00 Realized Loss (Gains, Subsequent Expenses & Recoveries) 0.00 Prepayment Penalties 1650,~~833~~904.3544 Total Deposits 2831,~~531~~743,~~409~~362.5695 Withdrawals Reimbursement for Servicer Advances 0.00 Payment of Service Fee ~~355~~349,~~790~~874.7969 Payment of Interest and Principal 2831,~~175~~393,~~618~~488.7726 Total Withdrawals (Pool Distribution Amount) 2831,~~531~~743,~~409~~362.5695 Ending Balance 0.00

PREPAYMENT/CURTAILMENT INTEREST SHORTFALL Total Prepayment/Curtailment Interest Shortfall ~~1,400~~0.4500 Servicing Fee Support 0.00 Non-Supported Prepayment/Curtailment Interest Shortfall ~~1,400~~0.4500

SERVICING FEES Gross Servicing Fee ~~351~~345,~~744~~831.2722 LPMI 4,~~025~~022.2824 WMMSC Master Servicing Fee 21.2423 Supported Prepayment/Curtailment Interest Shortfall 0.00 Net Servicing Fee ~~355~~349,~~790~~874.7969

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 01 0 0 01 0250,400.00 0.00 0.00 0250,400.00 30 Days ~~100~~62 1 0 0 ~~101~~63 3117,~~161~~759,~~348~~570.4891 ~~250~~125,~~400~~100.00 0.00 0.00 3117,~~411~~884,~~748~~670.4891 60 Days 146 0 30 0 176 51,~~224~~601,~~799~~760.0200 0.00 ~~635,600~~0.00 0.00 51,~~860~~601,~~399~~760.0200 90 Days 24 0 07 0 211 1,~~237~~520,~~000~~953.0001 0.00 02,345,331.0025 0.00 13,~~237~~866,~~000~~284.0026 120 Days 01 0 01 0 02 0522,000.00 0.00 0715,000.00 0.00 01,237,000.00 150 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 180+ Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 Totals ~~116~~73 12 38 0 ~~120~~83 3721,~~623~~404,~~147~~283.5092 ~~250~~375,~~400~~500.00 ~~635~~3,~~600~~060,331.0025 0.00 3824,~~509~~840,~~147~~115.5017 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~~022222% 0.000000% 0.000000% 0.~~000000~~022222% 0.~~000000~~019104% 0.000000% 0.000000% 0.~~000000~~019104% 30 Days 21.~~189621~~377778% 0.~~021896~~022222% 0.000000% 0.000000% 21.~~211517~~400000% 21.~~331917~~354960% 0.~~018738~~009544% 0.000000% 0.000000% 21.~~350655~~364504% 60 Days 0.~~306547~~133333% 0.000000% 0.~~065689~~000000% 0.000000% 0.~~372236~~133333% 0.~~390991~~122206% 0.000000% 0.~~047564~~000000% 0.000000% 0.~~438555~~122206% 90 Days 0.~~043792~~088889% 0.000000% 0.~~000000~~155556% 0.000000% 0.~~043792~~244444% 0.~~092569~~116041% 0.000000% 0.~~000000~~178936% 0.000000% 0.~~092569~~294977% 120 Days 0.~~000000~~022222% 0.000000% 0.~~000000~~022222% 0.000000% 0.~~000000~~044444% 0.~~000000~~039826% 0.000000% 0.~~000000~~054551% 0.000000% 0.~~000000~~094376% 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 21.~~539961~~622222% 0.~~021896~~044444% 0.~~065689~~177778% 0.000000% 21.~~627545~~844444% 21.~~815477~~633032% 0.~~018738~~028649% 0.~~047564~~233487% 0.000000% 21.~~881779~~895167%

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 3 0 0 0 3 ~~649~~1,~~525~~158,684.1584 0.00 0.00 0.00 ~~649~~1,~~525~~158,684.1584 60 Days 20 0 10 0 30 ~~596,676~~0.1000 0.00 ~~250,000~~0.00 0.00 ~~846,676~~0.1000 90 Days 0 0 02 0 02 0.00 0.00 0734,676.0010 0.00 0734,676.0010 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 53 0 12 0 65 1,~~246~~158,~~201~~684.2584 0.00 ~~250~~734,~~000~~676.0010 0.00 1,~~496~~893,~~201~~360.2594 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 1.~~807229~~875000% 0.000000% 0.000000% 0.000000% 1.~~807229~~875000% 12.~~173534~~213591% 0.000000% 0.000000% 0.000000% 12.~~173534~~213591% 60 Days 10.~~204819~~000000% 0.000000% 0.~~602410~~000000% 0.000000% 10.~~807229~~000000% 10.~~078048~~000000% 0.000000% 0.~~451689~~000000% 0.000000% 10.~~529737~~000000% 90 Days 0.000000% 0.000000% 01.~~000000~~250000% 0.000000% 01.~~000000~~250000% 0.000000% 0.000000% 01.~~000000~~403550% 0.000000% 01.~~000000~~403550% 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 31.~~012048~~875000% 0.000000% 01.~~602410~~250000% 0.000000% 3.~~614458~~125000% 2.~~251582~~213591% 0.000000% 01.~~451689~~403550% 0.000000% 23.~~703271~~617141% DELINQUENT BANKRUPTCY FORECLOSURE REO Total 10 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 ~~474~~495,~~501~~296.9153 0.00 0.00 0.00 ~~474~~495,~~501~~296.9153 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 ~~474~~495,~~501~~296.9153 0.00 0.00 0.00 ~~474~~495,~~501~~296.9153 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 0.~~361011~~364964% 0.000000% 0.000000% 0.000000% 0.~~361011~~364964% 0.~~367472~~388757% 0.000000% 0.000000% 0.000000% 0.~~367472~~388757% 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.~~361011~~364964% 0.000000% 0.000000% 0.000000% 0.~~361011~~364964% 0.~~367472~~388757% 0.000000% 0.000000% 0.000000% 0.~~367472~~388757% 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 01 0 0 01 0250,400.00 0.00 0.00 0250,400.00 30 Days 2813 1 0 0 2914 62,~~439~~942,~~666~~818.6907 ~~250~~125,~~400~~100.00 0.00 0.00 63,~~690~~067,~~066~~918.6907 60 Days 34 0 10 0 4 1,~~454~~284,~~114~~960.7600 0.00 ~~243,200~~0.00 0.00 1,~~697~~284,~~314~~960.7600 90 Days 1 0 0 2 0 12 ~~715,000~~0.00 0.00 0990,200.00 0.00 ~~715~~990,~~000~~200.00 120 Days 0 0 01 0 01 0.00 0.00 0715,000.00 0.00 0715,000.00 150 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 180 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 Totals 3217 12 13 0 3422 84,~~608~~227,~~781~~778.4507 ~~250~~375,~~400~~500.00 ~~243~~1,705,200.00 0.00 96,~~102~~308,~~381~~478.4507 0-29 Days 0.~~000000~~274725% 0.000000% 0.000000% 0.~~000000~~274725% 0.~~000000~~332675% 0.000000% 0.000000% 0.~~000000~~332675% 30 Days 73.~~567568~~571429% 0.~~270270~~274725% 0.000000% 0.000000% 73.~~837838~~846154% 83.~~439503~~909756% 0.~~328162~~166205% 0.000000% 0.000000% 84.~~767665~~075961% 60 Days 01.~~810811~~098901% 0.000000% 0.~~270270~~000000% 0.000000% 1.~~081081~~098901% 1.~~905690~~707166% 0.000000% 0.~~318726~~000000% 0.000000% 21.~~224415~~707166% 90 Days 0.~~270270~~000000% 0.000000% 0.~~000000~~549451% 0.000000% 0.~~270270~~549451% 0.~~937043~~000000% 0.000000% 01.~~000000~~315555% 0.000000% 01.~~937043~~315555% 120 Days 0.000000% 0.000000% 0.~~000000~~274725% 0.000000% 0.~~000000~~274725% 0.000000% 0.000000% 0.~~000000~~949931% 0.000000% 0.~~000000~~949931% 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 84.~~648649~~670330% 0.~~270270~~549451% 0.~~270270~~824176% 0.000000% 96.~~189189~~043956% 115.~~282236~~616922% 0.~~328162~~498880% 02.~~318726~~265487% 0.000000% 118.~~929123~~381290% 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 5 0 0 0 5 2,~~539~~153,~~338~~581.6857 0.00 0.00 0.00 2,~~539~~153,~~338~~581.6857 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 5 0 0 0 5 2,~~539~~153,~~338~~581.6857 0.00 0.00 0.00 2,~~539~~153,~~338~~581.6857 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 4.~~672897~~716981% 0.000000% 0.000000% 0.000000% 4.~~672897~~716981% 54.~~155629~~418024% 0.000000% 0.000000% 0.000000% 54.~~155629~~418024% 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 4.~~672897~~716981% 0.000000% 0.000000% 0.000000% 4.~~672897~~716981% 54.~~155629~~418024% 0.000000% 0.000000% 0.000000% 54.~~155629~~418024% 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 1615 0 0 0 1615 3,~~171~~536,~~963~~237.4931 0.00 0.00 0.00 3,~~171~~536,~~963~~237.4931 60 Days 31 0 0 0 3 1 214,~~103,200~~400.00 0.00 0.00 0.00 1214,~~103,200~~400.00 90 Days 01 0 01 0 02 0455,200.00 0.00 0368,000.00 0.00 0823,200.00 120 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 1917 0 01 0 1918 4,~~275~~205,~~163~~837.4931 0.00 0368,000.00 0.00 4,~~275~~573,~~163~~837.4931 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 1.~~756312~~675978% 0.000000% 0.000000% 0.000000% 1.~~756312~~675978% 12.~~771031~~011993% 0.000000% 0.000000% 0.000000% 12.~~771031~~011993% 60 Days 0.~~329308~~111732% 0.000000% 0.000000% 0.000000% 0.~~329308~~111732% 0.~~615960~~121986% 0.000000% 0.000000% 0.000000% 0.~~615960~~121986% 90 Days 0.~~000000~~111732% 0.000000% 0.~~000000~~111732% 0.000000% 0.~~000000~~223464% 0.~~000000~~258993% 0.000000% 0.~~000000~~209379% 0.000000% 0.~~000000~~468371% 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 21.~~085620~~899441% 0.000000% 0.~~000000~~111732% 0.000000% 2.~~085620~~011173% 2.~~386990~~392971% 0.000000% 0.~~000000~~209379% 0.000000% 2.~~386990~~602350% DELINQUENT BANKRUPTCY FORECLOSURE REO Total 5 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 47 0 0 0 47 13,~~921~~202,~~455~~997.8480 0.00 0.00 0.00 13,~~921~~202,~~455~~997.8480 60 Days 20 0 0 0 20 ~~948,000~~0.00 0.00 0.00 0.00 ~~948,000~~0.00 90 Days 12 0 0 0 12 ~~522~~948,000.00 0.00 0.00 0.00 ~~522~~948,000.00 120 Days 01 0 0 0 01 0522,000.00 0.00 0.00 0.00 0522,000.00 150 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 180 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 Totals 710 0 0 0 710 34,~~391~~672,~~455~~997.8480 0.00 0.00 0.00 34,~~391~~672,~~455~~997.8480 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 01.~~747664~~333333% 0.000000% 0.000000% 0.000000% 01.~~747664~~333333% 01.~~777720~~331334% 0.000000% 0.000000% 0.000000% 01.~~777720~~331334% 60 Days 0.~~373832~~000000% 0.000000% 0.000000% 0.000000% 0.~~373832~~000000% 0.~~383708~~000000% 0.000000% 0.000000% 0.000000% 0.~~383708~~000000% 90 Days 0.~~186916~~380952% 0.000000% 0.000000% 0.000000% 0.~~186916~~380952% 0.~~211282~~394039% 0.000000% 0.000000% 0.000000% 0.~~211282~~394039% 120 Days 0.~~000000~~190476% 0.000000% 0.000000% 0.000000% 0.~~000000~~190476% 0.~~000000~~216971% 0.000000% 0.000000% 0.000000% 0.~~000000~~216971% 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.~~308411~~904762% 0.000000% 0.000000% 0.000000% 1.~~308411~~904762% 1.~~372711~~942343% 0.000000% 0.000000% 0.000000% 1.~~372711~~942343% DELINQUENT BANKRUPTCY FORECLOSURE REO Total 6 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 1711 0 0 0 1711 21,~~478~~802,~~235~~428.7452 0.00 0.00 0.00 21,~~478~~802,~~235~~428.7452 60 Days 21 0 10 0 31 ~~290~~102,~~055~~400.1500 0.00 ~~142,400~~0.00 0.00 ~~432~~102,~~455~~400.1500 90 Days 0 0 02 0 02 0.00 0.00 0252,455.0015 0.00 0252,455.0015 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 1912 0 12 0 2014 21,~~768~~904,~~290~~828.8952 0.00 ~~142~~252,~~400~~455.0015 0.00 2,~~910~~157,~~690~~283.8967 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 10.~~295732~~844854% 0.000000% 0.000000% 0.000000% 10.~~295732~~844854% 10.~~054396~~774262% 0.000000% 0.000000% 0.000000% 10.~~054396~~774262% 60 Days 0.~~152439~~076805% 0.000000% 0.~~076220~~000000% 0.000000% 0.~~228659~~076805% 0.~~123408~~043988% 0.000000% 0.~~060586~~000000% 0.000000% 0.~~183993~~043988% 90 Days 0.000000% 0.000000% 0.~~000000~~153610% 0.000000% 0.~~000000~~153610% 0.000000% 0.000000% 0.~~000000~~108446% 0.000000% 0.~~000000~~108446% 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.~~448171~~921659% 0.000000% 0.~~076220~~153610% 0.000000% 1.~~524390~~075269% 10.~~177803~~818250% 0.000000% 0.~~060586~~108446% 0.000000% 10.~~238389~~926696% DELINQUENT BANKRUPTCY FORECLOSURE REO Total 7 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 193 0 0 0 193 101,~~504~~914,~~680~~217.6182 0.00 0.00 0.00 101,~~504~~914,~~680~~217.6182 60 Days 10 0 0 0 10 ~~715,000~~0.00 0.00 0.00 0.00 ~~715,000~~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 203 0 0 0 203 111,~~219~~914,~~680~~217.6182 0.00 0.00 0.00 111,~~219~~914,~~680~~217.6182 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 30.~~639847~~587084% 0.000000% 0.000000% 0.000000% 30.~~639847~~587084% 40.~~096205~~762923% 0.000000% 0.000000% 0.000000% 40.~~096205~~762923% 60 Days 0.~~191571~~000000% 0.000000% 0.000000% 0.000000% 0.~~191571~~000000% 0.~~278808~~000000% 0.000000% 0.000000% 0.000000% 0.~~278808~~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 30.~~831418~~587084% 0.000000% 0.000000% 0.000000% 30.~~831418~~587084% 40.~~375013~~762923% 0.000000% 0.000000% 0.000000% 40.~~375013~~762923% DELINQUENT BANKRUPTCY FORECLOSURE REO Total 8 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 34 0 0 0 34 ~~665~~553,~~563~~308.3045 0.00 0.00 0.00 ~~665~~553,~~563~~308.3045 60 Days 10 0 0 0 10 ~~117,753~~0.0100 0.00 0.00 0.00 ~~117,753~~0.0100 90 Days 01 0 0 0 01 0117,753.0001 0.00 0.00 0.00 0117,753.0001 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 45 0 0 0 45 ~~783~~671,~~316~~061.3146 0.00 0.00 0.00 ~~783~~671,~~316~~061.3146 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 1.~~052632~~418440% 0.000000% 0.000000% 0.000000% 1.~~052632~~418440% 0.~~901661~~758034% 0.000000% 0.000000% 0.000000% 0.~~901661~~758034% 60 Days 0.~~350877~~000000% 0.000000% 0.000000% 0.000000% 0.~~350877~~000000% 0.~~159524~~000000% 0.000000% 0.000000% 0.000000% 0.~~159524~~000000% 90 Days 0.~~000000~~354610% 0.000000% 0.000000% 0.000000% 0.~~000000~~354610% 0.~~000000~~161322% 0.000000% 0.000000% 0.000000% 0.~~000000~~161322% 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.~~403509~~773050% 0.000000% 0.000000% 0.000000% 1.~~403509~~773050% 10.~~061185~~919355% 0.000000% 0.000000% 0.000000% 10.~~061185~~919355% DELINQUENT BANKRUPTCY FORECLOSURE REO Total 9 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 40 0 0 0 40 ~~2,316,417~~0.0700 0.00 0.00 0.00 ~~2,316,417~~0.0700 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 40 0 0 0 40 ~~2,316,417~~0.0700 0.00 0.00 0.00 ~~2,316,417~~0.0700 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 40.~~878049~~000000% 0.000000% 0.000000% 0.000000% 40.~~878049~~000000% 60.~~656743~~000000% 0.000000% 0.000000% 0.000000% 60.~~656743~~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 40.~~878049~~000000% 0.000000% 0.000000% 0.000000% 40.~~878049~~000000% 60.~~656743~~000000% 0.000000% 0.000000% 0.000000% 60.~~656743~~000000%

OTHER INFORMATION Current Period Class A Insufficient Funds 0.00 Principal Balance of Contaminated Properties 0.00 Periodic Advance ~~183~~113,~~677~~225.2893

CREDIT ENHANCEMENT Original $ Original % Current $ Current % Bankruptcy 586,399.00 0.04254100% 586,399.00 0.~~04389244~~04474913% Fraud 41,352,978.00 2.99999995% 41,352,978.00 3.~~09530418~~15571804% Special Hazard 13,784,423.00 1.00000702% 13,784,423.00 1.~~03177532~~05191342% Limit of Subordinate's Exposure to Certain Types of Losses

COLLATERAL STATEMENT Collateral Description Mixed ARM Weighted Average Gross Coupon 5.~~495700~~493373% Weighted Average Net Coupon 5.~~181370~~179111% Weighted Average Pass-Through Rate 5.~~181371~~179112% Weighted Average Maturity(Stepdown Calculation ) ~~356~~355 Beginning Scheduled Collateral Loan Count 4,~~634~~567 Number Of Loans Paid In Full 67 Ending Scheduled Collateral Loan Count 4,~~567~~500 Beginning Scheduled Collateral Balance 1,~~358~~335,~~286~~990,~~130~~765.6150 Ending Scheduled Collateral Balance 1,~~335~~310,~~990~~414,~~765~~220.5025 Ending Actual Collateral Balance at 3129-~~Mar~~Apr-2005 1,~~336~~310,~~297~~708,~~665~~535.2730 Monthly P &I Constant 6,~~604~~501,~~100~~511.4442 Special Servicing Fee 0.00 Prepayment Penalties 1650,~~833~~904.3544 Realized Loss Amount 0.00 Cumulative Realized Loss 0.00 Scheduled Principal ~~383~~385,~~489~~598.7956 Unscheduled Principal 2125,~~911~~190,~~875~~946.3269

Group Level Collateral Statement Group 1 2 3 Collateral Description Mixed ARM Mixed ARM Mixed ARM Weighted Average Coupon Rate 5.~~098018~~153421 6.~~028168~~034505 5.~~538646~~538618 Weighted Average Net Rate 4.~~726714~~782174 5.~~653168~~659505 5.~~237275~~237251 Weighted Average Maturity ~~355~~354 354 355 ~~356~~ Beginning Loan Count ~~171~~166 ~~375~~370 107 Loans Paid In Full 56 56 01 Ending Loan Count ~~166~~160 ~~370~~364 ~~107~~106 Beginning Scheduled Balance 5655,~~306~~333,~~414~~250.7232 7776,~~738~~287,~~970~~013.1866 49,~~253~~251,~~940~~002.5467 Ending scheduled Balance 5552,~~333~~329,~~250~~207.3250 7675,~~287~~254,~~013~~727.6621 4948,~~251~~743,~~002~~231.6760 Record Date 0304/3129/2005 0304/3129/2005 0304/3129/2005 Principal And Interest Constant ~~255~~253,~~647~~736.04 ~~409~~402,~~709~~181.3371 229,~~802~~800.7572 Scheduled Principal 16,~~437~~106.7645 1918,~~189~~553.7006 2,~~469~~481.3298 Unscheduled Principal ~~956~~2,~~726~~987,936.6437 1,~~432~~013,~~766~~733.8239 ~~468~~505,289.5509 Scheduled Interest ~~239~~237,~~209~~629.2859 ~~390~~383,~~519~~628.6365 227,~~333~~318.4374 Servicing Fees 17,~~422~~118.3758 2423,~~293~~839.4369 12,~~369~~368.7386 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 0.00 1,~~601~~599.3674 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 ~~221~~220,~~786~~511.9101 ~~366~~359,~~226~~788.2096 213,~~362~~350.3414 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.~~726713~~782174 5.~~653168~~659505 5.~~198260~~198273

Group Level Collateral Statement Group 4 5 6 Collateral Description Mixed ARM Mixed ARM Mixed ARM Weighted Average Coupon Rate 5.~~569695~~564891 5.~~387399~~381913 5.~~679057~~674193 Weighted Average Net Rate 5.~~283464~~279103 5.~~102171~~096414 5.~~355094~~350095 Weighted Average Maturity ~~356~~355 ~~356~~355 ~~356~~355 Beginning Loan Count ~~923~~911 ~~545~~535 1,~~329~~312 Loans Paid In Full 1216 10 1710 Ending Loan Count ~~911~~895 ~~535~~525 1,~~312~~302 Beginning Scheduled Balance ~~181~~179,~~679~~096,~~040~~550.1709 ~~252~~247,~~237~~045,~~164~~124.2416 ~~238~~235,~~451~~018,~~898~~541.2207 Ending scheduled Balance ~~179~~175,~~096~~750,~~550~~929.0979 ~~247~~240,~~045~~568,~~124~~631.1607 ~~235~~232,~~018~~773,~~541~~210.0739 Record Date 0304/3129/2005 0304/3129/2005 0304/3129/2005 Principal And Interest Constant ~~851~~838,~~706~~634.0521 1,~~156~~132,~~804~~471.7141 1,~~157~~139,~~541~~579.0753 Scheduled Principal 8,~~458~~090.6420 24,~~386~~491.1792 2928,~~056~~295.1670 Unscheduled Principal 23,~~574~~337,~~031~~530.4410 56,~~167~~452,~~653~~001.9117 32,~~404~~217,~~300~~034.9998 Scheduled Interest ~~843~~830,~~247~~544.4101 1,~~132~~107,~~418~~979.5449 1,~~128~~111,~~484~~283.9183 Servicing Fees 4342,~~335~~653.1208 5958,~~954~~775.2087 6463,~~374~~474.7222 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 1,~~655~~653.3997 0.00 455.4342 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 ~~798~~786,~~256~~236.9096 1,~~072~~049,~~464~~203.3462 1,~~063~~047,~~654~~354.7619 Realized Loss Amount 0.00 0.00 0.00 Cumulative Realized Loss 0.00 0.00 0.00 Percentage of Cumulative Losses 0.0000 0.0000 0.0000 Prepayment Penalties 0.00 0.00 0.00 Special Servicing Fee 0.00 0.00 0.00 Pass-Through Rate 5.~~272531~~268021 5.~~102171~~096414 5.~~352802~~347770

Group Level Collateral Statement Group 7 8 9 Collateral Description Mixed ARM Mixed ARM Mixed ARM Weighted Average Coupon Rate 5.~~351751~~340639 5.~~616958~~611654 5.~~649246~~649931 Weighted Average Net Rate 5.~~019906~~008960 5.~~287237~~281628 5.~~319016~~319849 Weighted Average Maturity ~~355~~354.00 ~~355~~354.00 ~~355~~354.00 Record Date 0304/3129/2005 0304/3129/2005 0304/3129/2005 Principal And Interest Constant 1,~~245~~219,~~337~~456.8197 ~~390~~378,~~560~~693.5266 185,~~379~~345.4647 Beginning Loan Count ~~533~~522 ~~292~~285 82 Loans Paid In Full 11 73 01 Ending Loan Count ~~522~~511 ~~285~~282 8281 Beginning Scheduled Balance ~~262~~256,~~298~~379,~~056~~100.3964 7673,~~077~~790,~~893~~873.0984 34,~~976~~780,~~592~~805.9751 Ending Scheduled Balance ~~256~~250,~~379~~844,~~100~~102.6474 7372,~~790~~968,~~873~~286.8448 3433,~~780~~893,~~805~~044.5149 Scheduled Principal 7578,~~542~~433.9643 3433,~~455~~619.2362 2021,~~719~~587.9983 Unscheduled Principal 5,~~843~~456,~~412~~564.7947 2788,~~252,564~~967.0274 ~~175~~866,~~067~~173.4719 Scheduled Interest 1,~~169~~141,~~794~~023.8554 ~~356~~345,~~105~~074.2904 ~~164~~163,~~659~~757.4764 Servicing Fee 7270,~~535~~862.2496 20,~~903~~294.7609 9,~~625~~567.2510 Master Servicing Fee 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 334.34 0.00 0.00 Pool Insurance Fee 0.00 0.00 0.00 Spread 1 0.00 0.00 0.00 Spread 2 0.00 0.00 0.00 Spread 3 0.00 0.00 0.00 Net Interest 1,~~096~~069,~~925~~826.2724 ~~335~~324,~~201~~779.5395 ~~155~~154,~~034~~190.2254 Realized Loss Amount 0.00 0.00 0.00 Cumulative Realized Loss 0.00 0.00 0.00 Percentage of Cumulative Losses 0.0000 0.0000 0.0000 Prepayment Penalties 0.00 0.00 0.00 Special Servicing Fee 0.00 0.00 0.00 Pass-Through Rate 5.~~018376~~007395 5.~~287237~~281628 5.~~319016~~319850

Group Level Collateral Statement Group 10 Total Collateral Description Mixed ARM Mixed ARM Weighted Average Coupon Rate 5.~~280620~~280334 5.~~495700~~493373 Weighted Average Net Rate 5.~~030620~~030334 5.~~181370~~179111 Weighted Average Maturity ~~354~~353.00 ~~356~~355.00 Record Date 0304/3129/2005 0304/3129/2005 Principal And Interest Constant 721,611.70 6,~~604~~501,~~100~~511.4442 Beginning Loan Count 277 4,~~634~~567 Loans Paid In Full 03 67 Ending Loan Count ~~277~~274 4,~~567~~500 Beginning Scheduled Balance 129,~~266~~008,~~160~~503.0954 1,~~358~~335,~~286~~990,~~130~~765.6150 Ending Scheduled Balance ~~129~~127,~~008~~288,~~503~~848.5498 1,~~335~~310,~~990~~414,~~765~~220.5025 Scheduled Principal ~~152~~153,~~773~~938.8637 ~~383~~385,~~489~~598.7956 Unscheduled Principal ~~104~~1,~~882~~565,716.6919 2125,~~911~~190,~~875~~946.3269 Scheduled Interest ~~568~~567,~~837~~673.8433 6,~~220~~115,~~610~~912.6586 Servicing Fee 26,~~930~~876.4577 ~~351~~345,~~744~~831.2722 Master Servicing Fee 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 4,~~046~~043.5247 Pool Insurance Fee 0.00 0.00 Spread 1 0.00 0.00 Spread 2 0.00 0.00 Spread 3 0.00 0.00 Net Interest ~~541~~540,~~907~~796.3956 5,~~864~~766,~~819~~038.8617 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.~~030620~~030334 5.~~181371~~179112

Filing Compare · MASTR Adjustable Rate Mortgages 2005-1