8-K 1 mal05004_10508.txt UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington D. C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 25, 2005 MASTR ALTERNATIVE LOAN TRUST Mortgage Pass-Through Certificates, Series 2005-4 Trust (Exact name of registrant as specified in its charter) New York (governing law of 333-106982-71 54-2175564 Pooling and Servicing Agreement) (Commission 54-2175565 (State or other File Number) 54-6666942 jurisdiction IRS EIN of Incorporation) c/o Wells Fargo Bank, N.A. 9062 Old Annapolis Road Columbia, MD 21045 (Address of principal executive offices) (Zip Code) Registrant's telephone number, including area code: (410) 884-2000 (Former name or former address, if changed since last report) Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below): [ ] Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) [ ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) [ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act(17 CFR 240.14d-2(b)) [ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act(17 CFR 240.13e-4(c)) ITEM 8.01 Other Events On August 25, 2005 a distribution was made to holders of MASTR ALTERNATIVE LOAN TRUST, Mortgage Pass-Through Certificates, Series 2005-4 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 2005-4 Trust, relating to the August 25, 2005 distribution. Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. MASTR ALTERNATIVE LOAN TRUST Mortgage Pass-Through Certificates, Series 2005-4 Trust (Registrant) By: Wells Fargo Bank, N.A. as Master Servicer By: /s/ Beth Belfield as Officer By: Beth Belfield as Officer Date: 8/30/2005 INDEX TO EXHIBITS Exhibit Number Description EX-99.1 Monthly report distributed to holders of Mortgage Pass-Through Certificates, Series 2005-4 Trust, relating to the August 25, 2005 distribution. EX-99.1

MASTR Alternative Loan Trust Mortgage Pass-Through Certificates Record Date: 57/3129/2005 Distribution Date: 68/2725/2005 MASTR Alternative Loan Trust Mortgage Pass-Through Certificates Series 2005-4 Contact: Customer Service - CTSLink Wells Fargo Bank, N.A. Securities Administration Services 7485 New Horizon Way Frederick, MD 21703 www.ctslink.com Telephone: (301) 815-6600 Fax: (301) 815-6660 Certificateholder Distribution Summary Certificate Certificate Beginning Class Pass-Through Certificate Interest Class CUSIP Description Rate Balance Distribution 1-A-1 576434Q49 SEN 6.50000% 3837,~~000~~158,~~000~~005.0096 ~~205~~201,~~833~~251.3341 A-LR 576434Q98 SEN 6.50000% 500.00 0.2700 A-UR 576434R22 SEN 6.50000% 500.00 0.2700 2-A-1 576434Q56 SEN 6.50000% 7568,~~000~~766,~~000~~198.0054 ~~406~~372,~~250~~444.0048 3-A-1 576434Q64 SEN 6.~~13223~~10226% 4745,~~230~~984,~~000~~905.0066 ~~241~~233,~~354~~818.2059 4-A-1 576434Q72 SEN 5.50000% 24,~~621~~120,~~000~~031.0065 ~~112~~110,~~846~~538.2554 5-A-1 576434Q80 SEN 6.00000% 5352,~~993~~516,~~000~~307.0029 ~~269~~262,~~965~~553.0098 15-PO 576434R55 PO 0.00000% ~~564~~541,~~329~~105.9726 0.00 30-PO 576434R63 PO 0.00000% 2,~~558~~525,~~959~~467.1748 0.00 A-X-1 576434R30 IO 6.50000% 0.00 6159,~~710~~121.2201 A-X-2 576434R48 IO 5.50000% 0.00 6,~~174~~004.3121 B-1 576434R71 SUB 6.~~24938~~24268% 10,~~799~~778,~~000~~159.0015 56,~~239~~064.2163 B-2 576434R89 SUB 6.~~24938~~24268% 3,~~732~~724,~~000~~797.0066 19,~~435~~375.5724 B-3 576434R97 SUB 6.~~24938~~24268% 3,~~467~~460,~~000~~309.0008 1817,~~055~~999.5045 B-4 576434S21 SUB 6.~~24938~~24268% 2,~~399~~394,~~000~~370.0020 12,~~493~~454.5577 B-5 576434S39 SUB 6.~~24938~~24268% 2,~~800~~794,~~000~~596.0032 14,~~581~~536.8962 B-6 576434S47 SUB 6.~~24938~~24268% 1,~~466~~464,~~978~~146.1587 7,~~639~~616.7504 P 576434S54 P 0.00000% 0.00 013,725.0078 Totals ~~266~~256,~~631~~228,~~367~~401.2912 1,~~432~~387,~~579~~504.3275

Certificateholder Distribution Summary (continued) Current Ending Cumulative Principal Realized Certificate Total Realized Class Distribution Loss Balance Distribution Losses 1-A-1 ~~582~~485,~~380~~929.3981 0.00 3736,~~417~~672,~~619~~076.6115 ~~788~~687,~~213~~181.7222 0.00 A-LR 500.00 0.00 0.00 500.2700 0.00 A-UR 500.00 0.00 0.00 500.2700 0.00 2-A-1 12,~~136~~848,~~589~~619.5071 0.00 7365,~~863~~917,~~410~~578.5084 13,~~542~~221,~~839~~064.5019 0.00 3-A-1 ~~703~~429,~~276~~086.8805 0.00 4645,~~526~~555,~~723~~819.1262 ~~944~~662,~~631~~904.0864 0.00 4-A-1 99605,~~689~~924.3540 0.00 2423,~~521~~514,~~310~~107.6525 ~~212~~716,~~535~~462.6094 0.00 5-A-1 ~~470~~846,~~592~~299.0308 0.00 5351,~~522~~670,~~407~~008.9721 ~~740~~1,~~557~~108,853.0306 0.00 15-PO 2,~~759~~743.4390 0.00 ~~561~~538,~~570~~361.5435 2,~~759~~743.4390 0.00 30-PO 2345,~~268~~231.3316 0.00 2,~~535~~480,~~690~~236.8431 2345,~~268~~231.3316 0.00 A-X-1 0.00 0.00 0.00 6159,~~710~~121.2201 0.00 A-X-2 0.00 0.00 0.00 6,~~174~~004.3121 0.00 B-1 10,~~385~~517.8527 0.00 10,~~788~~767,~~614~~641.1588 66,~~625~~581.0690 0.00 B-2 3,~~589~~634.2264 0.00 3,~~728~~721,~~410~~163.7803 23,~~024~~009.7988 0.00 B-3 3,~~334~~376.3655 0.00 3,~~463~~456,~~665~~932.6453 21,~~389~~376.8600 0.00 B-4 2,~~307~~336.2241 0.00 2,~~396~~392,~~692~~033.7879 14,~~800~~791.7718 0.00 B-5 2,~~692~~726.8895 0.00 2,~~797~~791,~~307~~869.1237 17,~~274~~263.7757 0.00 B-6 1,~~411~~428.0371 0.00 1,~~465~~462,~~567~~718.1216 9,~~050~~044.7875 0.00 P 0.00 0.00 0.00 013,725.0078 0.00 Totals 35,~~042~~287,~~376~~854.4764 0.00 ~~263~~250,~~588~~940,~~990~~546.8249 46,~~474~~675,~~955~~359.7939 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 38,000,000.00 3837,~~000~~158,~~000~~005.0096 31,~~767~~607.6050 ~~550~~454,~~612~~322.8032 0.00 0.00 A-LR 50.00 500.00 20.7300 470.2700 0.00 0.00 A-UR 50.00 500.00 20.7300 470.2700 0.00 0.00 2-A-1 75,000,000.00 7568,~~000~~766,~~000~~198.0054 5652,~~636~~761.3554 12,~~079~~795,~~953~~858.1517 0.00 0.00 3-A-1 47,230,000.00 4745,~~230~~984,~~000~~905.0066 41,~~599~~191.1802 ~~661~~387,~~677~~895.7003 0.00 0.00 4-A-1 24,621,000.00 24,~~621~~120,~~000~~031.0065 8786,~~251~~601.3461 12519,~~438~~322.0179 0.00 0.00 5-A-1 53,993,000.00 5352,~~993~~516,~~000~~307.0029 47,~~933~~244.4895 ~~422~~799,~~658~~054.5413 0.00 0.00 15-PO 564,329.97 ~~564~~541,~~329~~105.9726 2,~~117~~073.4032 ~~642~~670.0358 0.00 0.00 30-PO 2,558,959.17 2,~~558~~525,~~959~~467.1748 2,~~480~~486.8832 2042,~~787~~744.4585 0.00 0.00 B-1 10,799,000.00 10,~~799~~778,~~000~~159.0015 10,~~385~~517.8527 0.00 0.00 0.00 B-2 3,732,000.00 3,~~732~~724,~~000~~797.0066 3,~~589~~634.2264 0.00 0.00 0.00 B-3 3,467,000.00 3,~~467~~460,~~000~~309.0008 3,~~334~~376.3655 0.00 0.00 0.00 B-4 2,399,000.00 2,~~399~~394,~~000~~370.0020 2,~~307~~336.2241 0.00 0.00 0.00 B-5 2,800,000.00 2,~~800~~794,~~000~~596.0032 2,~~692~~726.8895 0.00 0.00 0.00 B-6 1,466,978.15 1,~~466~~464,~~978~~146.1587 1,~~411~~428.0371 0.00 0.00 0.00 P 0.00 0.00 0.00 0.00 0.00 0.00 Totals 266,631,367.29 ~~266~~256,~~631~~228,~~367~~401.2912 ~~293~~287,~~512~~986.2579 24,~~748~~999,~~864~~867.2287 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 ~~582~~485,~~380~~929.3981 3736,~~417~~672,~~619~~076.6115 0.~~98467420~~96505464 ~~582~~485,~~380~~929.3981 A-LR 500.00 0.00 0.00000000 500.00 A-UR 500.00 0.00 0.00000000 500.00 2-A-1 12,~~136~~848,~~589~~619.5071 7365,~~863~~917,~~410~~578.5084 0.~~98484547~~87890105 12,~~136~~848,~~589~~619.5071 3-A-1 ~~703~~429,~~276~~086.8805 4645,~~526~~555,~~723~~819.1262 0.~~98510953~~96455261 ~~703~~429,~~276~~086.8805 4-A-1 99605,~~689~~924.3540 2423,~~521~~514,~~310~~107.6525 0.~~99595104~~95504274 99605,~~689~~924.3540 5-A-1 ~~470~~846,~~592~~299.0308 5351,~~522~~670,~~407~~008.9721 0.~~99128420~~95697606 ~~470~~846,~~592~~299.0308 15-PO 2,~~759~~743.4390 ~~561~~538,~~570~~361.5435 0.~~99511025~~95398327 2,~~759~~743.4390 30-PO 2345,~~268~~231.3316 2,~~535~~480,~~690~~236.8431 0.~~99090711~~96923638 2345,~~268~~231.3316 B-1 10,~~385~~517.8527 10,~~788~~767,~~614~~641.1588 0.~~99903826~~99709620 10,~~385~~517.8527 B-2 3,~~589~~634.2264 3,~~728~~721,~~410~~163.7803 0.~~99903826~~99709620 3,~~589~~634.2264 B-3 3,~~334~~376.3655 3,~~463~~456,~~665~~932.6453 0.~~99903826~~99709620 3,~~334~~376.3655 B-4 2,~~307~~336.2241 2,~~396~~392,~~692~~033.7879 0.~~99903826~~99709620 2,~~307~~336.2241 B-5 2,~~692~~726.8895 2,~~797~~791,~~307~~869.1237 0.~~99903826~~99709620 2,~~692~~726.8895 B-6 1,~~411~~428.0371 1,~~465~~462,~~567~~718.1216 0.~~99903814~~99709608 1,~~411~~428.0371 P 0.00 0.00 0.00000000 0.00 Totals 35,~~042~~287,~~376~~854.4764 ~~263~~250,~~588~~940,~~990~~546.8249 0.~~98858958~~94115163 35,~~042~~287,~~376~~854.4764

Principal Distribution Factors Statement Original Beginning Scheduled Unscheduled Face Certificate Principal Principal Class (2) Amount Balance Distribution Distribution Accretion 1-A-1 38,000,000.00 ~~1000~~977.~~00000000~~84226211 0.~~83598947~~83177632 1411.~~48981053~~95585053 0.00000000 A-LR 50.00 ~~1000~~0.00000000 540.~~60000000~~00000000 ~~945~~0.~~40000000~~00000000 0.00000000 A-UR 50.00 ~~1000~~0.00000000 540.~~60000000~~00000000 ~~945~~0.~~40000000~~00000000 0.00000000 2-A-1 75,000,000.00 ~~1000~~916.~~00000000~~88264720 0.~~75515133~~70348720 1437.~~39937533~~27810893 0.00000000 3-A-1 47,230,000.00 ~~1000~~973.~~00000000~~63763837 0.~~88077874~~87213678 148.~~00969087~~21289498 0.00000000 4-A-1 24,621,000.00 ~~1000~~979.~~00000000~~65280249 3.~~54377726~~51738800 021.~~50517891~~09267658 0.00000000 5-A-1 53,993,000.00 ~~1000~~972.~~00000000~~65029337 0.~~88777212~~87501991 714.~~82802474~~79921712 0.00000000 15-PO 564,329.97 ~~1000~~958.~~00000000~~84551373 3.~~75206016~~67394983 1.~~13768546~~18827643 0.00000000 30-PO 2,558,959.17 ~~1000~~986.~~00000000~~91198735 0.~~96948792~~97161378 816.~~12340042~~70399845 0.00000000 A-X-1 0.00 0.00000000 0.00000000 0.00000000 0.00000000 A-X-2 0.00 0.00000000 0.00000000 0.00000000 0.00000000 B-1 10,799,000.00 ~~1000~~998.~~00000000~~07011297 0.~~96174183~~97391147 0.00000000 0.00000000 B-2 3,732,000.00 ~~1000~~998.~~00000000~~07011254 0.~~96174169~~97391211 0.00000000 0.00000000 B-3 3,467,000.00 ~~1000~~998.~~00000000~~07011249 0.~~96174214~~97391116 0.00000000 0.00000000 B-4 2,399,000.00 ~~1000~~998.~~00000000~~07011255 0.~~96174239~~97390996 0.00000000 0.00000000 B-5 2,800,000.00 ~~1000~~998.~~00000000~~07011429 0.~~96174286~~97391071 0.00000000 0.00000000 B-6 1,466,978.15 ~~1000~~998.~~00000000~~06999170 0.~~96186163~~97391362 0.00000000 0.00000000 P 0.00 0.00000000 0.00000000 0.00000000 0.00000000 All classes are per $1000 denomination

Principal Distribution Factors Statement (continued) Total Ending Ending Total Realized Principal Certificate Certificate Principal Class Loss (3) Reduction Balance Percentage Distribution 1-A-1 0.00000000 1512.~~32579974~~78762658 ~~984~~965.~~67420026~~05463553 0.~~98467420~~96505464 1512.~~32579974~~78762658 A-LR 0.00000000 ~~1,000~~0.00000000 0.00000000 0.00000000 ~~1,000~~0.00000000 A-UR 0.00000000 ~~1,000~~0.00000000 0.00000000 0.00000000 ~~1,000~~0.00000000 2-A-1 0.00000000 1537.~~15452667~~98159613 ~~984~~878.~~84547333~~90105120 0.~~98484547~~87890105 1537.~~15452667~~98159613 3-A-1 0.00000000 149.~~89046962~~08503176 ~~985~~964.~~10953038~~55260682 0.~~98510953~~96455261 149.~~89046962~~08503176 4-A-1 0.00000000 424.~~04895618~~61006458 ~~995~~955.~~95104382~~04273791 0.~~99595104~~95504274 424.~~04895618~~61006458 5-A-1 0.00000000 815.~~71579705~~67423703 ~~991~~956.~~28420295~~97605634 0.~~99128420~~95697606 815.~~71579705~~67423703 15-PO 0.00000000 4.~~88974562~~86222626 ~~995~~953.~~11025438~~98326975 0.~~99511025~~95398327 4.~~88974562~~86222626 30-PO 0.00000000 917.~~09288834~~67560832 ~~990~~969.~~90711166~~23637512 0.~~99090711~~96923638 917.~~09288834~~67560832 A-X-1 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 A-X-2 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 B-1 0.00000000 0.~~96174183~~97391147 ~~999~~997.~~03825817~~09620150 0.~~99903826~~99709620 0.~~96174183~~97391147 B-2 0.00000000 0.~~96174169~~97391211 ~~999~~997.~~03825831~~09620311 0.~~99903826~~99709620 0.~~96174169~~97391211 B-3 0.00000000 0.~~96174214~~97391116 ~~999~~997.~~03825786~~09620133 0.~~99903826~~99709620 0.~~96174214~~97391116 B-4 0.00000000 0.~~96174239~~97390996 ~~999~~997.~~03825761~~09620258 0.~~99903826~~99709620 0.~~96174239~~97390996 B-5 0.00000000 0.~~96174286~~97391071 ~~999~~997.~~03825714~~09620357 0.~~99903826~~99709620 0.~~96174286~~97391071 B-6 0.00000000 0.~~96186163~~97391362 ~~999~~997.~~03813837~~09607808 0.~~99903814~~99709608 0.~~96186163~~97391362 P 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 (3) Amount Does Not Include Excess Special Hazard, Bankruptcy, or Fraud Losses Unless Otherwise Disclosed. Please Refer to the Prospectus Supplement for a Full Description.

Interest Distribution Statement Beginning Payment of Original Current Certificate/ Current Unpaid Current Face Certificate Notional Accrued Interest Interest Class Amount Rate Balance Interest Shortfall Shortfall 1-A-1 38,000,000.00 6.50000% 3837,~~000~~158,~~000~~005.0096 ~~205~~201,~~833~~272.3353 0.00 0.00 A-LR 50.00 6.50000% 500.00 0.2700 0.00 0.00 A-UR 50.00 6.50000% 500.00 0.2700 0.00 0.00 2-A-1 75,000,000.00 6.50000% 7568,~~000~~766,~~000~~198.0054 ~~406~~372,~~250~~483.0058 0.00 0.00 3-A-1 47,230,000.00 6.~~13223~~10226% 4745,~~230~~984,~~000~~905.0066 ~~241~~233,~~354~~843.2013 0.00 0.00 4-A-1 24,621,000.00 5.50000% 24,~~621~~120,~~000~~031.0065 ~~112~~110,~~846~~550.2515 0.00 0.00 5-A-1 53,993,000.00 6.00000% 5352,~~993~~516,~~000~~307.0029 ~~269~~262,~~965~~581.0054 0.00 0.00 15-PO 564,329.97 0.00000% ~~564~~541,~~329~~105.9726 0.00 0.00 0.00 30-PO 2,558,959.17 0.00000% 2,~~558~~525,~~959~~467.1748 0.00 0.00 0.00 A-X-1 0.00 6.50000% 1110,~~392~~915,~~655~~793.9938 6159,~~710~~127.2221 0.00 0.00 A-X-2 0.00 5.50000% 1,~~347~~310,~~122~~147.1320 6,~~174~~004.3184 0.00 0.00 B-1 10,799,000.00 6.~~24938~~24268% 10,~~799~~778,~~000~~159.0015 56,~~239~~070.2152 0.00 0.00 B-2 3,732,000.00 6.~~24938~~24268% 3,~~732~~724,~~000~~797.0066 19,~~435~~377.5727 0.00 0.00 B-3 3,467,000.00 6.~~24938~~24268% 3,~~467~~460,~~000~~309.0008 18,~~055~~001.5034 0.00 0.00 B-4 2,399,000.00 6.~~24938~~24268% 2,~~399~~394,~~000~~370.0020 12,~~493~~456.5508 0.00 0.00 B-5 2,800,000.00 6.~~24938~~24268% 2,~~800~~794,~~000~~596.0032 14,~~581~~538.8915 0.00 0.00 B-6 1,466,978.15 6.~~24938~~24268% 1,~~466~~464,~~978~~146.1587 7,~~639~~616.7584 0.00 0.00 P 0.00 0.00000% 0.00 0.00 0.00 0.00 Totals 266,631,367.29 1,~~432~~373,~~579~~923.3218 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-1 021.0012 0.00 ~~205~~201,~~833~~251.3341 0.00 3736,~~417~~672,~~619~~076.6115 A-LR 0.00 0.00 0.2700 0.00 0.00 A-UR 0.00 0.00 0.2700 0.00 0.00 2-A-1 039.0009 0.00 ~~406~~372,~~250~~444.0048 0.00 7365,~~863~~917,~~410~~578.5084 3-A-1 024.0054 0.00 ~~241~~233,~~354~~818.2059 0.00 4645,~~526~~555,~~723~~819.1262 4-A-1 011.0060 0.00 ~~112~~110,~~846~~538.2554 0.00 2423,~~521~~514,~~310~~107.6525 5-A-1 027.0056 0.00 ~~269~~262,~~965~~553.0098 0.00 5351,~~522~~670,~~407~~008.9721 15-PO 0.00 0.00 0.00 0.00 ~~561~~538,~~570~~361.5435 30-PO 0.00 0.00 0.00 0.00 2,~~535~~480,~~690~~236.8431 A-X-1 06.0021 0.00 6159,~~710~~121.2201 0.00 1110,~~292~~654,~~858~~577.0625 A-X-2 0.0063 0.00 6,~~174~~004.3121 0.00 1,~~342~~240,~~507~~902.6139 B-1 05.0088 0.00 56,~~239~~064.2163 0.00 10,~~788~~767,~~614~~641.1588 B-2 02.0003 0.00 19,~~435~~375.5724 0.00 3,~~728~~721,~~410~~163.7803 B-3 01.0089 0.00 1817,~~055~~999.5045 0.00 3,~~463~~456,~~665~~932.6453 B-4 01.0031 0.00 12,~~493~~454.5577 0.00 2,~~396~~392,~~692~~033.7879 B-5 01.0053 0.00 14,~~581~~536.8962 0.00 2,~~797~~791,~~307~~869.1237 B-6 0.0080 0.00 7,~~639~~616.7504 0.00 1,~~465~~462,~~567~~718.1216 P 0.00 0.00 013,725.0078 0.00 0.00 Totals 0144.0019 0.00 1,~~432~~387,~~579~~504.3275 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 38,000,000.00 6.50000% ~~1000~~977.~~00000000~~84226211 5.~~41666658~~29664553 0.00000000 0.00000000 A-LR 50.00 6.50000% ~~1000~~0.00000000 50.~~40000000~~00000000 0.00000000 0.00000000 A-UR 50.00 6.50000% ~~1000~~0.00000000 50.~~40000000~~00000000 0.00000000 0.00000000 2-A-1 75,000,000.00 6.50000% ~~1000~~916.~~00000000~~88264720 54.~~41666667~~96644773 0.00000000 0.00000000 3-A-1 47,230,000.00 6.~~13223~~10226% ~~1000~~973.~~00000000~~63763837 54.~~11018844~~95115668 0.00000000 0.00000000 4-A-1 24,621,000.00 5.50000% ~~1000~~979.~~00000000~~65280249 4.~~58333333~~49007555 0.00000000 0.00000000 5-A-1 53,993,000.00 6.00000% ~~1000~~972.~~00000000~~65029337 54.~~00000000~~86325153 0.00000000 0.00000000 15-PO 564,329.97 0.00000% ~~1000~~958.~~00000000~~84551373 0.00000000 0.00000000 0.00000000 30-PO 2,558,959.17 0.00000% ~~1000~~986.~~00000000~~91198735 0.00000000 0.00000000 0.00000000 A-X-1 0.00 6.50000% ~~1001~~959.~~46976829~~55122989 5.~~42462792~~19756880 0.00000000 0.00000000 A-X-2 0.00 5.50000% ~~1000~~972.~~00000000~~55265193 4.~~58333351~~45753200 0.00000000 0.00000000 B-1 10,799,000.00 6.~~24938~~24268% ~~1000~~998.~~00000000~~07011297 5.~~20781646~~19219557 0.00000000 0.00000000 B-2 3,732,000.00 6.~~24938~~24268% ~~1000~~998.~~00000000~~07011254 5.~~20781618~~19219453 0.00000000 0.00000000 B-3 3,467,000.00 6.~~24938~~24268% ~~1000~~998.~~00000000~~07011249 5.~~20781656~~19219498 0.00000000 0.00000000 B-4 2,399,000.00 6.~~24938~~24268% ~~1000~~998.~~00000000~~07011255 5.~~20781576~~19219675 0.00000000 0.00000000 B-5 2,800,000.00 6.~~24938~~24268% ~~1000~~998.~~00000000~~07011429 5.~~20781786~~19219643 0.00000000 0.00000000 B-6 1,466,978.15 6.~~24938~~24268% ~~1000~~998.~~00000000~~06999170 5.~~20781444~~19219731 0.00000000 0.00000000 P 0.00 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.~~00000000~~00055579 0.00000000 5.~~41666658~~29608974 0.00000000 ~~984~~965.~~67420026~~05463553 A-LR 0.00000000 0.00000000 50.~~40000000~~00000000 0.00000000 0.00000000 A-UR 0.00000000 0.00000000 50.~~40000000~~00000000 0.00000000 0.00000000 2-A-1 0.~~00000000~~00052120 0.00000000 54.~~41666667~~96592640 0.00000000 ~~984~~878.~~84547333~~90105120 3-A-1 0.~~00000000~~00051959 0.00000000 54.~~11018844~~95063710 0.00000000 ~~985~~964.~~10953038~~55260682 4-A-1 0.~~00000000~~00047114 0.00000000 4.~~58333333~~48960400 0.00000000 ~~995~~955.~~95104382~~04273791 5-A-1 0.~~00000000~~00051044 0.00000000 54.~~00000000~~86274110 0.00000000 ~~991~~956.~~28420295~~97605634 15-PO 0.00000000 0.00000000 0.00000000 0.00000000 ~~995~~953.~~11025438~~98326975 30-PO 0.00000000 0.00000000 0.00000000 0.00000000 ~~990~~969.~~90711166~~23637512 A-X-1 0.~~00000000~~00054589 0.00000000 5.~~42462792~~19702379 0.00000000 ~~992~~936.~~69704576~~58906397 A-X-2 0.~~00000000~~00046766 0.00000000 4.~~58333351~~45706433 0.00000000 ~~996~~921.~~57453478~~15062351 B-1 0.~~00000000~~00054449 0.00000000 5.~~20781646~~19165015 0.00000000 ~~999~~997.~~03825817~~09620150 B-2 0.~~00000000~~00054394 0.00000000 5.~~20781618~~19165059 0.00000000 ~~999~~997.~~03825831~~09620311 B-3 0.~~00000000~~00054514 0.00000000 5.~~20781656~~19164984 0.00000000 ~~999~~997.~~03825786~~09620133 B-4 0.~~00000000~~00054606 0.00000000 5.~~20781576~~19165069 0.00000000 ~~999~~997.~~03825761~~09620258 B-5 0.~~00000000~~00054643 0.00000000 5.~~20781786~~19165000 0.00000000 ~~999~~997.~~03825714~~09620357 B-6 0.~~00000000~~00054534 0.00000000 5.~~20781444~~19165197 0.00000000 ~~999~~997.~~03813837~~09607808 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~~Certificateholder ~~ACCOUNT~~Component ~~STATEMENT~~Statement ~~CERTIFICATE~~Component ~~ACCOUNT~~ Beginning ~~Balance~~Ending ~~0.00~~Beginning ~~Deposits~~Ending ~~Payments~~Ending ofPass-Through ~~Interest~~Notional ~~and~~Notional ~~Principal~~Component ~~4,550,899.56~~Component ~~Liquidations,~~Component ~~Insurance~~Class ~~Proceeds,~~Rate ~~Reserve~~Balance ~~Funds~~Balance ~~0.00~~Balance ~~Proceeds~~Balance ~~from~~Percentage ~~Repurchased~~30-PO-1 ~~Loans~~0.00000% 0.00 ~~Other~~0.00 ~~Amounts~~1,003,549.99 ~~(Servicer~~993,307.55 ~~Advances)~~97.42025897% 30-PO-2 0.00000% 0.00 ~~Realized~~0.00 ~~Loss~~566,889.59 ~~(Gains~~553,271.18 ~~Subsequent~~96.15874719% ~~Expenses~~30-PO-4 &0.00000% ~~Recoveries)~~ 0.00 ~~Prepayment Penalties~~ 0.00 ~~Total~~955,027.90 ~~Deposits 4~~933,~~550,899~~657.5659 ~~Withdrawals~~96.85489861% ~~Reimbursement~~A-X-1-1 ~~for~~6.50000% ~~Servicer~~1,834,743.94 ~~Advances~~1,809,925.03 0.00 ~~Payment~~0.00 of96.94897352% ~~Service~~A-X-1-2 ~~Fee~~6.50000% 755,~~960~~124,246.4302 ~~Payment of Interest and Principal~~ 4,~~474~~919,~~955~~975.7920 ~~Total~~0.00 ~~Withdrawals~~0.00 ~~(Pool~~89.43062665% ~~Distribution~~A-X-1-5 ~~Amount)~~6.50000% 43,~~550~~956,~~916~~803.2242 ~~Ending~~3,924,677.02 ~~Balance~~0.00 0.00 97.52377251%

~~PREPAYMENT/CURTAILMENT~~CERTIFICATEHOLDER ~~INTEREST~~ACCOUNT ~~SHORTFALL~~STATEMENT ~~Total~~CERTIFICATE ~~Prepayment/Curtailment~~ACCOUNT Beginning Balance 0.00 Deposits Payments of Interest ~~Shortfall~~and Principal 6,733,017.39 Liquidations, Insurance Proceeds, Reserve Funds 0.00 ~~Servicing~~Proceeds ~~Fee~~from ~~Support~~Repurchased Loans 0.00 ~~Non-Supported~~Other Amounts (Servicer Advances) 0.00 Realized Loss (Gains, Subsequent Expenses & Recoveries) 0.00 Prepayment~~/Curtailment~~ Penalties 13,725.78 Total Deposits 6,746,743.17 Withdrawals Reimbursement for Servicer Advances 0.00 Payment of Service Fee 71,383.78 Payment of Interest ~~Shortfall~~and Principal 6,675,359.39 Total Withdrawals (Pool Distribution Amount) 6,746,743.17 Ending Balance 0.00

~~SERVICING~~PREPAYMENT/CURTAILMENT ~~FEES~~INTEREST ~~Gross~~SHORTFALL ~~Servicing~~Total ~~Fee~~Prepayment/Curtailment ~~55,595.21~~Interest ~~LPMI~~Shortfall ~~Fee 20,348~~144.5619 ~~Master~~ Servicing Fee ~~16.66~~Support ~~WMMSC MS Fee~~ 0.00 Non-Supported Prepayment/Curtailment Interest Shortfall 0144.~~00 Net Servicing Fee 75,960.43~~19

~~LOAN~~SERVICING ~~STATUS~~FEES ~~STRATIFICATION/CREDIT~~Gross ~~ENHANCEMENT~~Servicing ~~STATEMENT~~Fee DELINQUENT BANKRUPTCY FORECLOSURE REO Total No of Loans No of Loans No of Loans No of Loans No of Loans Principal Balance Principal Balance Principal Balance Principal Balance Principal Balance 0-29 Days 0 0 0 0 0.00 0.00 0.00 0.00 30 Days 12 0 0 0 12 153,~~731,562~~427.7985 ~~0.00~~LPMI ~~0.00~~Fee ~~0.00 1~~17,~~731,562~~939.7934 60Master ~~Days~~Servicing 3Fee ~~0 0 0 3 307,039~~16.8159 ~~0.00~~Supported ~~0.00~~Prepayment/Curtailment ~~0.00~~Interest ~~307,039.81~~Shortfall ~~90 Days~~ 0 ~~0 0 0 0 0~~.00 ~~0.00~~Net ~~0.00~~Servicing ~~0.00~~Fee ~~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 15 0 0 0 15 2~~71,~~038,602~~383.60 0.00 0.00 0.00 2,038,602.60 No of Loans No of Loans No of Loans No of Loans No of Loans Principal Balance Principal Balance Principal Balance Principal Balance Principal Balance 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 0.682206% 0.000000% 0.000000% 0.000000% 0.682206% 0.656455% 0.000000% 0.000000% 0.000000% 0.656455% 60 Days 0.170551% 0.000000% 0.000000% 0.000000% 0.170551% 0.116402% 0.000000% 0.000000% 0.000000% 0.116402% 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 0.852757% 0.000000% 0.000000% 0.000000% 0.852757% 0.772857% 0.000000% 0.000000% 0.000000% 0.772857%78

~~DELINQUENT~~LOAN ~~BANKRUPTCY~~STATUS ~~FORECLOSURE~~STRATIFICATION/CREDIT ~~REO~~ENHANCEMENT ~~Total~~STATEMENT 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 2 0 0 0 2 142,499.29 0.00 0.00 0.00 142,499.29 60 Days 2 0 0 0 2 128,039.81 0.00 0.00 0.00 128,039.81 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 4 0 0 0 4 270,539.10 0.00 0.00 0.00 270,539.10 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 0.358423% 0.000000% 0.000000% 0.000000% 0.358423% 0.336463% 0.000000% 0.000000% 0.000000% 0.336463% 60 Days 0.358423% 0.000000% 0.000000% 0.000000% 0.358423% 0.302322% 0.000000% 0.000000% 0.000000% 0.302322% 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 0.716846% 0.000000% 0.000000% 0.000000% 0.716846% 0.638786% 0.000000% 0.000000% 0.000000% 0.638786% 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 01 036,880.0058 0.00 0.00 036,880.0058 30 Days 644 01 0 0 645 15,~~059~~184,~~940~~939.9920 0123,593.0060 0.00 0.00 15,~~059~~308,~~940~~532.9980 60 Days 115 0 0 0 115 179,000.00 0.00 0.00 0.00 179,000.00 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 7 0 0 0 7 1,~~238~~946,~~940~~737.9907 0.00 0.00 0.00 1,~~238~~946,~~940~~737.9907 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 1.263158% 0.000000% 0.000000% 0.000000% 1.263158% 1.284074% 0.000000% 0.000000% 0.000000% 1.284074% 60 Days 0.210526% 0.000000% 0.000000% 0.000000% 0.210526% 0.216851% 0.000000% 0.000000% 0.000000% 0.216851% 90 Days 0~~.000000%~~ 0~~.000000%~~ 0~~.000000%~~ 0~~.000000%~~ 0~~.000000%~~ 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 120 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 150 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 180+ Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% Totals 1.473684% 0.000000% 0.000000% 0.000000% 1.473684% 1.500925% 0.000000% 0.000000% 0.000000% 1.500925% 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~~ 0 ~~0 0 0 0 0~~.00 ~~0.00 0.00 0.00 0.00 60 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 90 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00~~ 120 Days 01 0 01 0 02 0179,000.00 0.00 071,875.0067 0.00 0250,875.0067 150 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 180+ Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 Totals 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 60 ~~Days~~2 ~~0.000000%~~1 0~~.000000%~~ ~~0.000000%~~63 07,310,676.~~000000%~~27 0160,474.~~000000%~~18 071,875.~~000000%~~67 0.000000% 0.000000% 0.000000% 0.000000% 90 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 120 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 150 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 180+ Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% Totals 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% DELINQUENT BANKRUPTCY FORECLOSURE REO Total 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 07,543,026.0012 0.00 0.00 30 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 60 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 90 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 120 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 150 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 180+ Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 Totals 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 60 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 90 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 120 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 150 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 180+ Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% Totals 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% DELINQUENT BANKRUPTCY FORECLOSURE REO Total 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 4 0 0 0 4 529,122.51 0.00 0.00 0.00 529,122.51 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 4 0 0 0 4 529,122.51 0.00 0.00 0.00 529,122.51 0-29 Days 0.000000058962% 0.000000% 0.000000% 0.~~000000~~058962% 0.~~000000~~014684% 0.000000% 0.000000% 0.~~000000~~014684% 30 Days 12.~~515152~~594340% 0.~~000000~~058962% 0.000000% 0.000000% 12.~~515152~~653302% 02.~~877069~~064326% 0.~~000000~~049207% 0.000000% 0.000000% 02.~~877069~~113534% 60 Days 0.~~000000~~884434% 0.000000% 0.000000% 0.000000% 0.~~000000~~884434% 0.~~000000~~775072% 0.000000% 0.000000% 0.000000% 0.~~000000~~775072% 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~~058962% 0.000000% 0.~~000000~~058962% 0.000000% 0.~~000000~~117925% 0.~~000000~~071267% 0.000000% 0.~~000000~~028617% 0.000000% 0.~~000000~~099883% 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 13.~~515152~~537736% 0.~~000000~~117925% 0.~~000000~~058962% 0.000000% 13.~~515152~~714623% 02.~~877069~~910665% 0.~~000000~~063891% 0.~~000000~~028617% 0.000000% 03.~~877069~~003172%

Delinquency Status By Groups

~~OTHER~~DELINQUENT ~~INFORMATION~~BANKRUPTCY ~~Current~~FORECLOSURE ~~Period~~REO ~~Class~~Total A1 ~~Insufficient~~No ~~Funds~~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 36,880.58 0.00 0.00 36,880.58 30 Days 22 0 0 0 22 1,614,277.90 0.00 0.00 0.00 1,614,277.90 60 Days 6 0 0 0 6 426,287.44 0.00 0.00 0.00 426,287.44 90 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 120 Days 0 0 1 0 1 0.00 0.00 71,875.67 0.00 71,875.67 150 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 28 1 1 0 30 2,040,565.34 36,880.58 71,875.67 0.00 2,149,321.59 0-29 Days 0.182482% 0.000000% 0.000000% 0.182482% 0.088672% 0.000000% 0.000000% 0.088672% 30 Days 4.014599% 0.000000% 0.000000% 0.000000% 4.014599% 3.881201% 0.000000% 0.000000% 0.000000% 3.881201% 60 Days 1.094891% 0.000000% 0.000000% 0.000000% 1.094891% 1.024921% 0.000000% 0.000000% 0.000000% 1.024921% 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% 0.182482% 0.000000% 0.182482% 0.000000% 0.000000% 0.172810% 0.000000% 0.172810% 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 5.109489% 0.182482% 0.182482% 0.000000% 5.474453% 4.906123% 0.088672% 0.172810% 0.000000% 5.167605% DELINQUENT BANKRUPTCY FORECLOSURE REO Total 2 No of Loans No of Loans No of Loans No of Loans No of Loans Principal Balance Principal Balance Principal Balance Principal Balance Principal Balance 0-29 Days 0 0 0 0 0.00 0.00 0.00 0.00 30 Days 10 1 0 0 11 1,499,898.72 123,593.60 0.00 0.00 1,623,492.32 60 Days 7 0 0 0 7 1,138,304.44 0.00 0.00 0.00 1,138,304.44 90 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 120 Days 1 0 0 0 1 179,000.00 0.00 0.00 0.00 179,000.00 150 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 18 1 0 0 19 2,817,203.16 123,593.60 0.00 0.00 2,940,796.76 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 2.267574% 0.226757% 0.000000% 0.000000% 2.494331% 2.011311% 0.165735% 0.000000% 0.000000% 2.177046% 60 Days 1.587302% 0.000000% 0.000000% 0.000000% 1.587302% 1.526426% 0.000000% 0.000000% 0.000000% 1.526426% 90 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 120 Days 0.226757% 0.000000% 0.000000% 0.000000% 0.226757% 0.240033% 0.000000% 0.000000% 0.000000% 0.240033% 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 4.081633% 0.226757% 0.000000% 0.000000% 4.308390% 3.777770% 0.165735% 0.000000% 0.000000% 3.943505% DELINQUENT BANKRUPTCY FORECLOSURE REO Total 3 No of ~~Contaminated~~Loans ~~Properties~~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 ~~Periodic~~0.00 ~~Advance~~0.00 130.00 30 Days 3 0 0 0 3 837,~~098~~719.0763 0.00 0.00 0.00 837,719.63 60 Days 1 0 0 0 1 295,400.19 0.00 0.00 0.00 295,400.19 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 4 0 0 0 4 1,133,119.82 0.00 0.00 0.00 1,133,119.82 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 0.923077% 0.000000% 0.000000% 0.000000% 0.923077% 1.633967% 0.000000% 0.000000% 0.000000% 1.633967% 60 Days 0.307692% 0.000000% 0.000000% 0.000000% 0.307692% 0.576176% 0.000000% 0.000000% 0.000000% 0.576176% 90 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 120 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 150 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 180+ Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% Totals 1.230769% 0.000000% 0.000000% 0.000000% 1.230769% 2.210143% 0.000000% 0.000000% 0.000000% 2.210143% 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 3 0 0 0 3 376,339.68 0.00 0.00 0.00 376,339.68 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 3 0 0 0 3 376,339.68 0.00 0.00 0.00 376,339.68 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 2.380952% 0.000000% 0.000000% 0.000000% 2.380952% 1.488285% 0.000000% 0.000000% 0.000000% 1.488285% 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 2.380952% 0.000000% 0.000000% 0.000000% 2.380952% 1.488285% 0.000000% 0.000000% 0.000000% 1.488285% 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 6 0 0 0 6 856,703.27 0.00 0.00 0.00 856,703.27 60 Days 1 0 0 0 1 86,745.00 0.00 0.00 0.00 86,745.00 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 7 0 0 0 7 943,448.27 0.00 0.00 0.00 943,448.27 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 2.343750% 0.000000% 0.000000% 0.000000% 2.343750% 1.465770% 0.000000% 0.000000% 0.000000% 1.465770% 60 Days 0.390625% 0.000000% 0.000000% 0.000000% 0.390625% 0.148416% 0.000000% 0.000000% 0.000000% 0.148416% 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 2.734375% 0.000000% 0.000000% 0.000000% 2.734375% 1.614185% 0.000000% 0.000000% 0.000000% 1.614185%

~~CREDIT~~OTHER ~~ENHANCEMENT~~INFORMATION ~~Original $ Original %~~ Current $Period ~~Current~~Class %A ~~Bankruptcy~~Insufficient ~~117,201.00~~Funds 0.~~04395619% 117,201.~~00 ~~0.04446354%~~Principal ~~Fraud~~Balance ~~5,332,627.35~~of ~~2.00000000%~~Contaminated ~~5,332,627.35~~Properties 20.~~02308425%~~00 ~~Special~~Periodic ~~Hazard~~Advance 249,~~963,574~~389.~~00 1.11148738% 2,963,574.00 1.12431630% Limit of Subordinate's Exposure to Certain Types of Losses~~60

~~Summary~~CREDIT 12ENHANCEMENT ~~Month REO History* New REO Loans Month REO Percentage Loans in REO 0 Jul-04 0.000%~~ Original ~~Principal~~$ ~~Balance 0.00 Aug-04 0.000% Current Principal Balance 0.00 Sep-04 0.000% Oct-04 0.000% Current REO Total Nov-04 0.000% Loans in REO 0 Dec-04 0.000%~~ Original ~~Principal Balance 0.00 Jan-05 0.000~~% Current ~~Principal~~$ Balance 0.00 Feb-05 0.000% Mar-05 0.000% Apr-05 0.000% May-05 0.000% Jun-05 0.000% *The text reported in the above table is presented graphically on the monthly bond remittance report. The monthly bond remittance report can be viewed online at www.ctslink.com. 1 12 Month REO History* New REO Loans Month REO Percentage Loans in REO 0 Jul-04 0.000% Original Principal Balance 0.00 Aug-04 0.000% Current ~~Principal Balance 0.00 Sep-04 0.000~~% ~~Oct-04~~Bankruptcy 0117,201.~~000% Current REO Total Nov-04 0.000% Loans in REO 0 Dec-04 0.000% Original Principal Balance 0.~~00 ~~Jan-05~~ 0.~~000~~04395619% ~~Current Principal Balance 0~~117,201.00 ~~Feb-05~~ 0.~~000~~04670469% ~~Mar-05~~Fraud 05,332,627.~~000%~~35 Apr-05 0.000% May-05 0.000% Jun-05 0.000% *The text reported in the above table is presented graphically on the monthly bond remittance report. The monthly bond remittance report can be viewed online at www.ctslink.com. 2 ~~12 Month REO History* New REO Loans Month REO Percentage Loans in REO 0 Jul-04 0~~.~~000~~00000000% Original Principal Balance 0.00 Aug-04 0.000% Current Principal Balance 0.00 Sep-04 0.000% Oct-04 0.000% Current REO Total Nov-04 0.000% Loans in REO 0 Dec-04 0.000% Original Principal Balance 0.00 Jan-05 0.000% Current Principal Balance 0.00 Feb-05 0.000% Mar-05 0.000% Apr-05 0.000% May-05 0.000% Jun-05 0.000% *The text reported in the above table is presented graphically on the monthly bond remittance report. The monthly bond remittance report can be viewed online at www.ctslink.com. 3 12 Month REO History* New REO Loans Month REO Percentage Loans in REO 0 Jul-04 0.000% Original Principal Balance 0.00 Aug-04 0.000% Current Principal Balance 0.00 Sep-04 0.000% Oct-04 0.000% Current REO Total Nov-04 0.000% Loans in REO 0 Dec-04 0.000% Original Principal Balance 0.00 Jan-05 0.000% Current Principal Balance 0.00 Feb-05 0.000% Mar-05 0.000% Apr-05 0.000% May-05 0.000% Jun-05 0.000% *The text reported in the above table is presented graphically on the monthly bond remittance report. The monthly bond remittance report can be viewed online at www.ctslink.com. 4 12 Month REO History* New REO Loans Month REO Percentage Loans in REO 0 Jul-04 0.000% Original Principal Balance 0.00 Aug-04 0.000% Current Principal Balance 0.00 Sep-04 0.000% Oct-04 0.000% Current REO Total Nov-04 0.000% Loans in REO 0 Dec-04 0.000% Original Principal Balance 0.00 Jan-05 0.000% Current Principal Balance 0.00 Feb-05 0.000% Mar-05 0.000% Apr-05 0.000% May-05 0.000% Jun-05 0.000% *The text reported in the above table is presented graphically on the monthly bond remittance report. The monthly bond remittance report can be viewed online at www.ctslink.com. 5 ~~12 Month REO History* New REO Loans Month REO Percentage Loans in REO 0 Jul-04 0~~,332,627.~~000%~~35 ~~Original Principal Balance 0~~2.~~00 Aug-04 0.000~~12505608% ~~Current~~Special ~~Principal~~Hazard ~~Balance 0~~2,963,574.00 ~~Sep-04 0~~1.~~000~~11148738% ~~Oct-04 0~~2,963,574.~~000% Current REO Total Nov-04 0.000% Loans in REO 0 Dec-04 0.000% Original Principal Balance 0.~~00 ~~Jan-05 0~~1.~~000~~18098651% ~~Current~~Limit ~~Principal~~of ~~Balance~~Subordinate's ~~0.00~~Exposure ~~Feb-05~~to ~~0.000%~~Certain ~~Mar-05~~Types ~~0.000%~~of Apr-05 0.000% May-05 0.000% Jun-05 0.000% *The text reported in the above table is presented graphically on the monthly bond remittance report. The monthly bond remittance report can be viewed online at www.ctslink.com.Losses

REO Detail - All Mortgage Loans in REO during Current Period

Foreclosure Detail - All Mortgage Loans in Foreclosure during Current Period

Summary 12 Month Foreclosure History* New Foreclosure Loans Month Foreclosure Percentage Loans in Foreclosure 01 ~~Jul~~Sep-04 0.000% Original Principal Balance 072,000.00 ~~Aug~~Oct-04 0.000% Current Principal Balance 071,875.0067 ~~Sep~~Nov-04 0.000% ~~Oct~~Dec-04 0.000% Current Foreclosure Total ~~Nov~~Jan-0405 0.000% Loans in Foreclosure 01 ~~Dec~~Feb-0405 0.000% Original Principal Balance 072,000.00 ~~Jan~~Mar-05 0.000% Current Principal Balance 071,875.0067 ~~Feb~~Apr-05 0.000% ~~Mar~~May-05 0.000% ~~Apr~~Jun-05 0.000% ~~May~~Jul-05 0.000% ~~Jun~~Aug-05 0.~~000~~029% *The text reported in the above table is presented graphically on the monthly bond remittance report. The monthly bond remittance report can be viewed online at www.ctslink.com. 1 12 Month Foreclosure History* New Foreclosure Loans Month Foreclosure Percentage Loans in Foreclosure 01 ~~Jul~~Sep-04 0.000% Original Principal Balance 072,000.00 ~~Aug~~Oct-04 0.000% Current Principal Balance 071,875.0067 ~~Sep~~Nov-04 0.000% ~~Oct~~Dec-04 0.000% Current Foreclosure Total ~~Nov~~Jan-0405 0.000% Loans in Foreclosure 01 ~~Dec~~Feb-0405 0.000% Original Principal Balance 072,000.00 ~~Jan~~Mar-05 0.000% Current Principal Balance 071,875.0067 ~~Feb~~Apr-05 0.000% ~~Mar~~May-05 0.000% ~~Apr~~Jun-05 0.000% ~~May~~Jul-05 0.000% ~~Jun~~Aug-05 0.~~000~~173% *The text reported in the above table is presented graphically on the monthly bond remittance report. The monthly bond remittance report can be viewed online at www.ctslink.com. 2 12 Month Foreclosure History* New Foreclosure Loans Month Foreclosure Percentage Loans in Foreclosure 0 ~~Jul~~Sep-04 0.000% Original Principal Balance 0.00 ~~Aug~~Oct-04 0.000% Current Principal Balance 0.00 ~~Sep~~Nov-04 0.000% ~~Oct~~Dec-04 0.000% Current Foreclosure Total ~~Nov~~Jan-0405 0.000% Loans in Foreclosure 0 ~~Dec~~Feb-0405 0.000% Original Principal Balance 0.00 ~~Jan~~Mar-05 0.000% Current Principal Balance 0.00 ~~Feb~~Apr-05 0.000% ~~Mar~~May-05 0.000% ~~Apr~~Jun-05 0.000% ~~May~~Jul-05 0.000% ~~Jun~~Aug-05 0.000% *The text reported in the above table is presented graphically on the monthly bond remittance report. The monthly bond remittance report can be viewed online at www.ctslink.com. 3 12 Month Foreclosure History* New Foreclosure Loans Month Foreclosure Percentage Loans in Foreclosure 0 ~~Jul~~Sep-04 0.000% Original Principal Balance 0.00 ~~Aug~~Oct-04 0.000% Current Principal Balance 0.00 ~~Sep~~Nov-04 0.000% ~~Oct~~Dec-04 0.000% Current Foreclosure Total ~~Nov~~Jan-0405 0.000% Loans in Foreclosure 0 ~~Dec~~Feb-0405 0.000% Original Principal Balance 0.00 ~~Jan~~Mar-05 0.000% Current Principal Balance 0.00 ~~Feb~~Apr-05 0.000% ~~Mar~~May-05 0.000% ~~Apr~~Jun-05 0.000% ~~May~~Jul-05 0.000% ~~Jun~~Aug-05 0.000% *The text reported in the above table is presented graphically on the monthly bond remittance report. The monthly bond remittance report can be viewed online at www.ctslink.com. 4 12 Month Foreclosure History* New Foreclosure Loans Month Foreclosure Percentage Loans in Foreclosure 0 ~~Jul~~Sep-04 0.000% Original Principal Balance 0.00 ~~Aug~~Oct-04 0.000% Current Principal Balance 0.00 ~~Sep~~Nov-04 0.000% ~~Oct~~Dec-04 0.000% Current Foreclosure Total ~~Nov~~Jan-0405 0.000% Loans in Foreclosure 0 ~~Dec~~Feb-0405 0.000% Original Principal Balance 0.00 ~~Jan~~Mar-05 0.000% Current Principal Balance 0.00 ~~Feb~~Apr-05 0.000% ~~Mar~~May-05 0.000% ~~Apr~~Jun-05 0.000% ~~May~~Jul-05 0.000% ~~Jun~~Aug-05 0.000% *The text reported in the above table is presented graphically on the monthly bond remittance report. The monthly bond remittance report can be viewed online at www.ctslink.com. 5 12 Month Foreclosure History* New Foreclosure Loans Month Foreclosure Percentage Loans in Foreclosure 0 ~~Jul~~Sep-04 0.000% Original Principal Balance 0.00 ~~Aug~~Oct-04 0.000% Current Principal Balance 0.00 ~~Sep~~Nov-04 0.000% ~~Oct~~Dec-04 0.000% Current Foreclosure Total ~~Nov~~Jan-0405 0.000% Loans in Foreclosure 0 ~~Dec~~Feb-0405 0.000% Original Principal Balance 0.00 ~~Jan~~Mar-05 0.000% Current Principal Balance 0.00 ~~Feb~~Apr-05 0.000% ~~Mar~~May-05 0.000% ~~Apr~~Jun-05 0.000% ~~May~~Jul-05 0.000% ~~Jun~~Aug-05 0.000% *The text reported in the above table is presented graphically on the monthly bond remittance report. The monthly bond remittance report can be viewed online at www.ctslink.com.

Foreclosure Loan Detail - All Mortgage Loans in Foreclosure during Current Period Month Loan First Original Loan Entered Payment LTV at Principal Group Number FC Date State Origination Balance No1 ~~Foreclosure~~2002378363 ~~loans~~Aug-2005 ~~this~~01-Feb-2005 ~~period~~MO 100.00 72,000.00

Foreclosure Loan Detail - All Mortgage Loans in Foreclosure during Current Period (continued) Current Paid Current Approximate Loan Principal To Months Loan Delinquent Group Number Balance Date Delinquent Rate Interest No1 ~~Foreclosure~~2002378363 ~~loans~~71,875.67 ~~this~~01-Mar-2005 ~~period~~4 6.750% 1,164.91

COLLATERAL STATEMENT Collateral Description Mixed ARM Weighted Average Gross Coupon 6.~~789329~~768837% Weighted Average Net Coupon 6.~~447535~~434602% Weighted Average Pass-Through Rate 6.~~447461~~434524% Weighted Average Maturity(Stepdown Calculation) ~~339~~337 Beginning Scheduled Collateral Loan Count 1,~~777~~726 Number Of Loans Paid In Full 1830 Ending Scheduled Collateral Loan Count 1,~~759~~696 Beginning Scheduled Collateral Balance ~~266~~256,~~631~~228,~~367~~401.2913 Ending Scheduled Collateral Balance ~~263~~250,~~588~~940,~~990~~546.8149 Ending Actual Collateral Balance at 3129-~~May~~Jul-2005 ~~263~~251,~~774~~168,~~915~~604.7965 Monthly P&I Constant 1,~~802~~733,~~052~~293.0477 Special Servicing Fee 0.00 Prepayment Penalties 013,725.0078 Realized Loss Amount 0.00 Cumulative Realized Loss 0.00 Scheduled Principal ~~293~~287,~~512~~986.0778 Unscheduled Principal 24,~~748~~999,~~864~~867.2386

Group Level Collateral Statement Group 1 2 3 Collateral Description Mixed ARM Mixed ARM Mixed ARM Weighted Average Coupon Rate 6.~~948085~~946615 7.~~355695~~342611 6.~~394618~~364928 Weighted Average Net Rate 6.~~697982~~696511 7.~~105695~~092611 6.~~144477~~114784 Weighted Average Maturity ~~356~~354 ~~355~~353 ~~356~~354 Beginning Loan Count ~~565~~554 ~~481~~455 ~~333~~327 Loans Paid In Full 7 6 314 2 Ending Loan Count ~~558~~548 ~~475~~441 ~~330~~325 Beginning Scheduled Balance 42,~~926~~061,~~488~~771.0034 8377,~~646~~391,~~151~~637.0041 5251,~~919~~664,~~661~~503.0087 Ending Scheduled Balance 4241,~~328~~562,~~488~~281.6647 8274,~~500~~523,~~358~~216.8029 5251,~~211~~230,~~372~~330.5232 Record Date 0507/3129/2005 0507/3129/2005 0507/3129/2005 Principal And Interest Constant ~~284~~279,~~550~~380.4361 ~~575~~533,~~985~~016.8111 ~~328~~320,~~611~~312.3656 Scheduled Principal 3635,~~003~~891.0450 6359,~~256~~468.1686 46,~~610~~278.5152 Unscheduled Principal ~~561~~463,~~995~~598.7437 12,~~082~~808,~~536~~952.1226 ~~661~~387,~~677~~895.7003 Scheduled Interest ~~248~~243,~~547~~489.3911 ~~512~~473,~~729~~547.6525 ~~282~~274,~~000~~034.8504 Servicing Fees 8,~~946~~766.6853 1716,~~426~~123.2826 1110,~~031~~769.1464 Master Servicing Fees 0.00 0.00 3.2322 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 2,~~492~~385.7667 1513,~~537~~533.2863 536.9107 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 ~~237~~232,~~107~~336.9591 ~~479~~443,~~766~~890.0936 ~~270~~262,~~429~~725.5711 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 06,358.00 0.00 Special Servicing Fee 0.00 0.00 0.00 Pass-Through Rate 6.~~628298~~628449 6.~~882795~~882765 6.~~132229~~102258

Group Level Collateral Statement Group 4 5 Total Collateral Description Mixed ARM Mixed ARM Mixed ARM Weighted Average Coupon Rate 5.~~937946~~938666 6.~~610736~~607411 6.~~789329~~768837 Weighted Average Net Rate 5.~~687946~~688666 6.~~360003~~356660 6.~~447535~~434602 Weighted Average Maturity ~~176~~174 ~~356~~354 ~~339~~337 Beginning Loan Count ~~132~~129 ~~266~~261 1,~~777~~726 Loans Paid In Full 03 25 1830 Ending Loan Count ~~132~~126 ~~264~~256 1,~~759~~696 Beginning Scheduled Balance 2625,~~366~~833,~~160~~572.0078 6059,~~772~~276,~~907~~915.0073 ~~266~~256,~~631~~228,~~367~~401.0013 Ending scheduled Balance 2625,~~259~~220,~~527~~694.0291 6058,~~289~~404,~~243~~023.8150 ~~263~~250,~~588~~940,~~990~~546.8149 Record Date 0507/3129/2005 0507/3129/2005 0507/3129/2005 Principal And Interest Constant ~~224~~220,~~020~~731.7097 ~~388~~379,~~883~~852.7452 1,~~802~~733,~~052~~293.0477 Scheduled Principal 9392,~~553~~884.3450 5453,~~089~~463.0240 ~~293~~287,~~512~~986.0778 Unscheduled Principal 13519,~~080~~993.0437 ~~429~~819,~~574~~428.6383 24,~~748~~999,~~864~~867.2386 Scheduled Interest ~~130~~127,~~467~~847.3647 ~~334~~326,~~794~~389.7212 1,~~508~~445,~~539~~306.9799 Servicing Fees 5,~~492~~381.9599 12,~~698~~386.1643 5553,~~595~~427.2185 Master Servicing Fees 4.4339 98.0098 16.6659 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 ~~537~~532.2638 ~~1,244~~951.3559 2017,~~348~~939.5634 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 ~~124~~121,~~432~~928.7271 ~~320~~313,~~843~~042.2112 1,~~432~~373,~~579~~923.5421 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 07,367.0078 0.00 013,725.0078 Special Servicing Fee 0.00 0.00 0.00 Pass-Through Rate 5.~~663292~~663732 6.~~335255~~337215 6.~~447461~~434524

~~Prepayment~~Miscellaneous ~~Detail~~Reporting -Group ~~Prepayments~~1 ~~during~~Senior ~~Current~~% ~~Period~~90.500769% ~~Summary~~Senior ~~Loans~~Prepayment ~~Paid~~% In100.000000% ~~Full~~Subordinate ~~Repurchased~~% ~~Loans~~9.499231% ~~Original~~Group ~~Current~~2 ~~Original~~Senior ~~Current~~% ~~Principal~~89.510477% ~~Principal~~Senior ~~Principal~~Prepayment ~~Principal~~% ~~Group~~100.000000% ~~Count~~Subordinate ~~Balance~~% ~~Balance~~10.489523% ~~Count~~Group ~~Balance~~3 ~~Balance~~Senior ~~Total~~% ~~18 2,724,049~~89.00006769% ~~2,716,222.37~~Senior 0Prepayment 0% 100.00000000% 0Subordinate % 10.00993231%

~~Prepayment~~Miscellaneous ~~Detail~~Reporting -Group ~~Prepayments~~4 ~~during~~Senior ~~Current~~% ~~Period~~95.364486% ~~(continued)~~Senior ~~Summary~~Prepayment ~~Substitution~~% ~~Loans~~100.000000% ~~Liquidated~~Subordinate ~~Loans~~% ~~Curtailments~~4.635514% ~~Original Current Original Current Principal Principal Principal Principal Curtailment~~ Group ~~Count~~5 ~~Balance~~Senior ~~Balance~~% ~~Count~~90.045623% ~~Balance~~Senior ~~Balance~~Prepayment ~~Amount~~% ~~Total 0 0~~100.00000000% ~~0.00~~Subordinate 0% 09.~~00 0.00 34,796.02~~954377%

Group

Prepayment ~~Loan~~ Detail - Prepayments during Current Period ~~First~~Summary ~~Original~~Loans ~~Loan~~Paid ~~LTV~~In atFull ~~Payment~~Repurchased ~~Principal~~Loans ~~Prepayment~~Original ~~Group~~Current ~~Number~~Original ~~State~~Current ~~Origination~~Principal ~~Date~~Principal ~~Balance~~Principal ~~Amount~~Principal 1Group ~~0003783903~~Count SCBalance ~~60.00~~Balance ~~01-Feb-2005~~Count ~~52,800.00~~Balance ~~52,575.64~~Balance 1 ~~0029888021~~6 ~~AL 100.00 01-Mar-2005 110~~414,~~000~~280.00 ~~109~~411,~~605~~849.5208 10 ~~0029898129 PA 99~~0.~~41 01-Apr-2005 84,750.~~00 ~~84,535~~0.~~17 1 0529389932 NY 88.62 01-Sep-2004 89,500.~~00 ~~88,746.77~~2 114 ~~1036004302 NJ 80.00 01-Apr-2005 107~~2,~~200.00 106~~838,~~953~~685.~~76 1 1068001040 PA 90.~~00 ~~01-Apr-2005 49~~2,~~500.00 49~~802,~~397~~556.1314 10 ~~2002342662 IA 100~~0.00 ~~01-Feb-2005 54,590~~0.00 ~~54,374.49~~3 2 ~~0003729051 AZ 90.00 01-Jan-2005 149~~387,~~518~~470.00 ~~148~~386,~~936~~404.0224 20 ~~0003730238 AZ 90~~0.00 ~~01-Jan-2005 140,051~~0.00 ~~139,477.66~~4 23 ~~0003732929 VA 95.00 01-Feb-2005 382~~443,~~375~~250.00 ~~380~~434,~~938~~979.2250 20 ~~0030062103 WI 100~~0.00 ~~01-Apr-2005 133,500~~0.00 ~~133,144.68~~5 25 ~~0700046980 FL 85.00 01-Oct-2004 161~~824,~~415~~141.00 ~~160~~818,~~509~~591.5147 20 ~~2002224009 MO 67~~0.~~94 01-Feb-2005 116,850.~~00 ~~116,353~~0.~~51 3 0008954117 PA 80.~~00 ~~01-Mar-2005~~Total ~~232,800.00~~30 ~~231~~4,~~818.23 3 1070000586 NJ 80.00 01-Apr-2005 129~~907,~~200~~826.00 ~~128~~4,~~957.38 3 1100000011 MA 75.00 01-Apr-2005 300~~854,~~000~~380.0043 ~~299,587.73~~0 ~~5 0029292059 MN 79~~0.~~34 01-Mar-2005 265,000.~~00 ~~263,986~~0.~~35 5 2002387289 MN 100.~~00 ~~01-Feb-2005 165,000.00 164,170.44~~

Prepayment ~~Loan~~ Detail - Prepayments during Current Period (continued) ~~Current~~Summary ~~Loan~~Substitution ~~PIF~~Loans ~~Months~~Liquidated ~~Loan~~Loans Curtailments Original ~~Group~~Current ~~Number~~Original ~~Type~~Current ~~Delinquent~~Principal ~~Rate~~Principal ~~Term~~Principal ~~Seasoning~~Principal 1Curtailment ~~0003783903~~Group ~~Loan~~Count ~~Paid~~Balance inBalance ~~Full~~Count 0Balance ~~6.875%~~Balance ~~360~~Amount 4 1 ~~0029888021 Loan Paid in Full~~ 0 60.~~585%~~00 ~~360 3 1 0029898129 Loan Paid in Full~~ 0 6.~~875%~~00 ~~360 2 1 0529389932 Loan Paid in Full~~ 0 70.~~000%~~00 ~~360 9 1 1036004302 Loan Paid in Full~~ 0.00 752,107.~~375%~~02 ~~360~~ 2 ~~1 1068001040 Loan Paid in Full~~ 0 70.~~875%~~00 ~~360 2 1 2002342662 Loan Paid in Full~~ 0 7.~~250%~~00 ~~360 4 2 0003729051 Loan Paid in Full~~ 0 80.~~250%~~00 ~~360 5 2 0003730238 Loan Paid in Full~~ 0.00 8,746.~~000%~~81 ~~360~~3 ~~5 2 0003732929 Loan Paid in Full~~ 0 70.~~500%~~00 ~~360 4 2 0030062103 Loan Paid in Full~~ 0 6.~~625%~~00 ~~360 2 2 0700046980 Loan Paid in Full~~ 0 80.~~500%~~00 ~~360 8 2 2002224009 Loan Paid in Full~~ 0.00 61,814.~~875%~~62 ~~360~~ 4 30 ~~0008954117 Loan Paid in Full~~ 0.00 50.~~750%~~00 ~~360 3 3 1070000586 Loan Paid in Full~~ 0 80.~~375%~~00 ~~360 2 3 1100000011 Loan Paid in Full~~ 0.00 986,511.~~875%~~89 ~~360 2~~ 5 ~~0029292059~~0 ~~Loan~~0.00 ~~Paid~~0.00 in0 ~~Full~~0.00 0.00 61,592.~~250%~~27 ~~360~~Total 30 50.00 ~~2002387289~~0.00 ~~Loan~~0 ~~Paid in Full~~ 0.00 60.~~000%~~00 ~~360 4~~150,772.61

~~Summary~~Prepayment ~~SMM~~Loan ~~CPR~~Detail ~~PSA~~- Prepayments during Current ~~Month~~Period ~~1.032%~~First ~~Current~~Original ~~Month~~Loan ~~11.706%~~LTV ~~Current~~at ~~Month~~Payment ~~1,729.713%~~Principal 3Prepayment ~~Month~~Group ~~Average~~Number ~~0.000%~~State 3Origination ~~Month~~Date ~~Average~~Balance ~~0.000%~~Amount 31 ~~Month~~0003797276 ~~Average~~NM 0100.~~000%~~00 1201-Feb-2005 ~~Month~~82,500.00 ~~Average 0~~81,969.~~000%~~35 121 ~~Month~~0005712863 ~~Average~~VA 080.~~000%~~00 1201-Mar-2005 ~~Month~~72,720.00 ~~Average 0~~72,310.~~000%~~48 ~~CPR:~~1 ~~Current~~0028587806 vsNY ~~12mo~~67.53 Average*01-Oct-2004 ~~PSA:~~52,000.00 ~~Current~~51,493.33 vs1 ~~12mo~~0029661865 Average*MO ~~Month~~76.00 ~~Current~~01-Feb-2005 ~~12mo~~95,000.00 ~~Avg~~94,403.22 ~~Month~~1 ~~Current~~0201455953 ~~12mo~~FL ~~Avg~~90.00 ~~Jul~~01-~~2004 N/A N/A Jul~~Oct-2004 ~~N/A~~58,500.00 ~~N/A~~58,090.81 ~~Aug-2004~~1 ~~N/A~~2002361546 ~~N/A~~LA ~~Aug-2004~~100.00 ~~N/A N/A Sep~~01-~~2004~~Mar-2005 ~~N/A~~53,560.00 ~~N/A~~53,224.16 ~~Sep-2004~~2 ~~N/A~~0003396761 ~~N/A~~PA ~~Oct~~65.00 01-~~2004~~Feb-2005 ~~N/A~~201,500.00 ~~N/A~~200,484.91 ~~Oct-2004~~2 ~~N/A~~0003626115 ~~N/A~~IL ~~Nov~~90.00 01-~~2004~~Feb-2005 ~~N/A~~143,100.00 ~~N/A~~123,811.23 ~~Nov-2004~~2 ~~N/A~~0003747092 ~~N/A~~MI ~~Dec~~95.00 01-~~2004~~Feb-2005 ~~N/A~~159,030.00 ~~N/A~~158,228.85 ~~Dec-2004~~2 ~~N/A~~0003749704 ~~N/A~~CA ~~Jan~~79.27 01-Feb-2005 ~~N/A~~650,000.00 ~~N/A~~646,385.55 ~~Jan-2005~~2 ~~N/A~~0003758901 ~~N/A~~MD 100.00 01-Feb-2005 ~~N/A~~250,000.00 ~~N/A~~248,371.34 ~~Feb-2005~~2 ~~N/A~~0003847750 ~~N/A~~TX 100.00 01-Mar-2005 ~~N/A~~169,000.00 ~~N/A~~168,135.83 ~~Mar-2005~~2 ~~N/A~~0106222672 ~~N/A~~IL ~~Apr~~90.00 01-~~2005~~Jul-2002 ~~N/A~~72,450.00 ~~N/A~~70,807.38 ~~Apr-2005~~2 ~~N/A~~0201225604 ~~N/A~~FL ~~May~~76.92 01-~~2005~~Jul-2004 ~~N/A~~200,000.00 ~~N/A~~198,004.57 ~~May-2005~~2 ~~N/A~~0201656212 ~~N/A~~MO ~~Jun-2005 11~~90.~~706%~~00 ~~N/A Jun~~01-~~2005~~Nov-2004 1171,~~729~~900.~~713%~~00 ~~N/A~~170,769.29 *The2 ~~text~~0201698727 ~~reported~~AZ in95.00 ~~the~~01-Nov-2004 ~~above~~227,677.00 ~~table~~225,955.82 is2 ~~presented~~0700041668 *TheFL ~~text~~85.00 ~~reported~~01-Aug-2004 in187,000.00 ~~the~~185,463.02 ~~above~~2 ~~table~~1295594562 isFL ~~presented~~100.00 ~~graphically~~01-Sep-2004 on131,028.00 ~~the~~129,557.63 ~~monthly~~2 ~~bond~~1766291817 ~~remittance~~WI ~~report~~100.00 ~~The~~01-Feb-2005 ~~graphically~~141,000.00 on140,071.12 ~~the~~2 ~~monthly~~2002143923 ~~bond~~NY ~~remittance report~~90.00 ~~The~~01-Mar-2005 ~~monthly~~135,000.00 ~~bond~~134,158.91 ~~remittance~~3 ~~report~~0000050048 ~~can~~NJ be75.00 ~~viewed~~01-May-2005 ~~online~~258,750.00 at257,894.17 ~~monthly~~3 ~~bond~~STUPELORIT ~~remittance~~FL ~~report~~78.49 ~~can~~01-Apr-2005 be128,720.00 ~~viewed~~128,186.24 ~~online~~4 at0003925447 ~~www.ctslink.com.~~NH ~~www~~52.~~ctslink.com.~~01 ~~Calculation~~01-May-2005 ~~Methodology:~~142,000.00 ~~Single~~140,268.41 ~~Month~~4 ~~Mortality~~2101109494 ~~(SMM):~~GA ~~(Partial~~70.89 ~~and~~01-Mar-2005 ~~full~~151,000.00 ~~prepayments~~147,812.54 +4 ~~Repurchases)~~2113107430 /WY ~~(Beginning~~62.60 ~~Scheduled Balance~~ 01-Dec-2004 ~~Scheduled~~150,250.00 ~~Principal)~~145,400.53 ~~Conditional~~5 ~~PrePayment~~0000645281 ~~Rate~~CA ~~(CPR):~~90.00 1 01-Nov-2004 ~~((1~~324,000.00 -320,767.41 ~~SMM)^12)~~5 ~~PSA~~0029755386 ~~Standard~~AL ~~Prepayment~~68.97 ~~Model:~~01-Mar-2005 ~~100~~46,900.00 *46,622.98 ~~CPR~~5 /0030066021 (0FL 28.269 *01-Apr-2005 ~~MIN(30~~80,~~WAS))~~041.00 ~~Weighted~~79,644.60 ~~Average~~5 ~~Seasoning~~0405151556 ~~(WAS):~~IL ~~sum((Original~~95.00 ~~Term~~ 01-Jan-2005 ~~Remaining~~133,000.00 ~~Term)*(Current~~132,109.85 ~~Scheduled~~5 ~~Balance/Deal~~2002336007 ~~Scheduled~~CA ~~Principal~~75.06 ~~Balance))~~01-Feb-2005 240,200.00 238,691.72

Prepayment - Voluntary Prepayments

Realized Loss Report - Collateral Summary

Filing Compare · MASTR ALTERNATIVE LOAN TRUST 2005-4