8-K 1 mss03001.txt MAY 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington D. C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 27, 2003 MASTR SEASONED SECURITIZATION TRUST Mortgage Pass-Through Certificates, Series 2003-1 Trust (Exact name of registrant as specified in its charter) New York (governing law of 333-98155-08 Pending Pooling and Servicing Agreement) (Commission IRS EIN (State or other File Number) jurisdiction of Incorporation) c/o Wells Fargo Bank Minnesota, N.A. 9062 Old Annapolis Road Columbia, Maryland 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) ITEM 5. Other Events On May 27, 2003 a distribution was made to holders of MASTR SEASONED SECURITIZATION TRUST, Mortgage Pass-Through Certificates, Series 2003-1 Trust. ITEM 7. Financial Statements and Exhibits (c) Exhibits furnished in accordance with Item 601(a) of Regulation S-K Exhibit Number Description EX-99.1 Monthly report distributed to holders of Mortgage Pass-Through Certificates, Series 2003-1 Trust, relating to the May 27, 2003 distribution. Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. MASTR SEASONED SECURITIZATION TRUST Mortgage Pass-Through Certificates, Series 2003-1 Trust By: Wells Fargo Bank Minnesota, N.A., as Master Servicer By: /s/ Beth Belfield, Assistant Vice President By: Beth Belfield, Assistant Vice President Date: 5/28/03 INDEX TO EXHIBITS Exhibit Number Description EX-99.1 Monthly report distributed to holders of Mortgage Pass-Through Certificates, Series 2003-1 Trust, relating to the May 27, 2003 distribution.

Mortgage Asset Securitization Transactions, Inc. Mortgage Pass-Through Certificates Record Date: 24/2830/03 ~~3/25/03~~ Distribution Date: 5/27/03 MSSTR Series: 2003-1 Contact: Customer Service - CTSLink Wells Fargo Bank Minnesota, 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 55265WAD5 SEN 7.00000% 2421,~~930~~826,~~000~~182.0059 ~~145~~127,~~295~~074.5203 ~~769~~2,~~218~~922,402.0089 2-A-1 55265WAE3 SEN 6.00000% ~~116~~108,~~124~~653,~~000~~543.0049 ~~580~~542,~~103~~220.0473 5,~~423~~748,~~700~~724.4722 3-A-1 55265WAF0 SEN 4.50000% ~~127~~123,~~363~~433,~~750~~573.0043 ~~477~~461,~~188~~983.8184 1,~~972~~944,~~043~~120.7934 3-A-2 55265WAG8 SEN 1.~~80000~~72000% 7674,~~418~~060,~~250~~144.0006 ~~114~~105,~~525~~948.3229 1,~~183~~166,~~226~~472.2720 3-A-3 55265WAH6 IO 6.~~70000~~78000% 0.00 ~~426~~417,~~288~~633.6739 0.00 3-A-4 55265WAJ2 SEN 2.~~15000~~07000% 5938,~~988~~591,~~000~~908.0033 ~~107~~66,~~382~~442.8175 722,~~212~~808,~~182~~081.6375 3-A-5 55265WAK9 SEN 17.~~34190~~58896% 1912,~~371~~461,~~125~~970.0040 ~~279~~182,~~694~~308.8389 27,~~328~~365,~~933~~109.9873 3-A-6 55265WAL7 SEN 8.00000% 53,~~623~~617,~~875~~991.0041 3724,~~459~~073.1246 ~~676~~2,~~142~~138,257.1266 3-A-7 55265WAM5 SEN 2.~~90000~~82000% 75,876,000.00 ~~183~~177,~~203~~964.7496 0.00 3-A-8 55265WAN3 SEN 18.~~40000~~72000% 18,969,000.00 ~~290~~295,~~599~~346.0311 0.00 PO 55265WAP8 STP 0.00000% 1981,~~023,212~~143.0046 0.00 135,~~176~~349.2733 AX 55265WAQ6 IO 6.00000% 0.00 ~~220~~192,~~317~~114.5284 0.00 AR 55265WAR4 R 7.00000% ~~100~~0.00 07.5845 ~~100~~0.00 B-1 55265WAS2 SUB 6.~~04800~~04794% 17,~~263~~230,~~000~~552.0014 86,~~928~~673.0579 16,~~159~~447.1222 B-2 55265WAT0 SUB 6.~~04800~~04794% 5,~~011~~001,~~000~~581.0023 25,~~232~~159.9515 4,~~690~~774.5720 B-3 55265WAU7 SUB 6.~~04800~~04794% 3,~~899~~891,~~000~~671.0037 19,~~633~~576.4604 3,~~649~~714.6875 B-4 55265WAA1 SUB 6.~~04800~~04794% 1,~~670~~666,~~000~~861.0004 8,~~409~~384.3171 1,~~563~~591.2108 B-5 55265WAB9 SUB 6.~~04800~~04794% 1,~~392~~389,~~000~~383.0057 76,~~009~~988.4393 1,~~302~~326.9922 B-6 55265WAC7 SUB 6.~~04800~~04794% 1,~~949~~946,~~915~~249.0090 9,~~818~~790.8210 1,~~825~~857.2377 Totals ~~556~~509,~~872~~597,~~227~~756.0042 32,~~019~~749,~~091~~691.0146 1944,~~595~~158,~~914~~229.3336

Certificateholder Distribution Summary (continued) Current Ending Cumulative Realized Certificate Total Realized Class Loss Balance Distribution Losses 1-A-1 0.00 2418,~~160~~903,~~782~~779.0070 ~~914~~3,~~513~~049,476.5292 0.00 2-A-1 0.00 ~~110~~102,~~700~~904,~~299~~819.5327 6,~~003~~290,~~803~~944.5195 0.00 3-A-1 0.00 ~~125~~121,~~391~~489,~~706~~453.2109 2,~~449~~406,~~232~~104.6018 0.00 3-A-2 0.00 7572,~~235~~893,~~023~~671.7385 1,~~297~~272,~~751~~420.5949 0.00 3-A-3 0.00 0.00 ~~426~~417,~~288~~633.6739 0.00 3-A-4 0.00 5215,~~775~~783,~~817~~826.3758 722,~~319~~874,~~565~~524.4450 0.00 3-A-5 0.00 175,~~042~~096,~~191~~860.0267 27,~~608~~547,~~628~~418.8162 0.00 3-A-6 0.00 41,~~947~~479,~~732~~733.8874 ~~713~~2,~~601~~162,331.2412 0.00 3-A-7 0.00 75,876,000.00 ~~183~~177,~~203~~964.7496 0.00 3-A-8 0.00 18,969,000.00 ~~290~~295,~~599~~346.0311 0.00 PO 0.00 1945,~~022,035~~794.7313 135,~~176~~349.2733 0.00 AX 0.00 0.00 ~~220~~192,~~317~~114.5284 0.00 AR 0.00 0.00 ~~100~~7.5845 0.00 B-1 0.00 17,~~246~~214,~~840~~104.8892 103,~~087~~121.1701 0.00 B-2 0.00 54,~~006~~996,~~309~~807.4303 29,~~923~~933.5235 0.00 B-3 0.00 3,~~895~~887,~~350~~956.3262 23,~~283~~290.1479 0.00 B-4 0.00 1,~~668~~665,~~436~~269.7995 9,~~972~~975.5279 0.00 B-5 0.00 1,~~390~~388,~~697~~057.0135 8,~~312~~315.4215 0.00 B-6 0.00 1,~~948~~944,~~089~~392.7713 11,~~644~~647.0587 0.00 Totals 0.00 ~~537~~465,~~276~~439,~~312~~527.6703 2246,~~615~~907,~~005~~920.3482 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 24,930,000.00 2421,~~930~~826,~~000~~182.0059 3026,~~111~~945.9276 ~~739~~2,~~106~~895,457.0812 0.00 0.00 2-A-1 116,124,000.00 ~~116~~108,~~124~~653,~~000~~543.0049 ~~111~~106,~~767~~204.9975 5,~~311~~642,~~932~~519.48 0.00 0.00 3-A-1 127,363,750.00 ~~127~~123,~~363~~433,~~750~~573.0043 5117,~~489~~697.5320 1,~~920~~926,~~554~~423.2614 0.00 0.00 3-A-2 76,418,250.00 7674,~~418~~060,~~250~~144.0006 3010,~~893~~618.7232 1,~~152~~155,~~332~~853.5688 0.00 0.00 3-A-3 0.00 0.00 0.00 0.00 0.00 0.00 3-A-4 59,988,000.00 5938,~~988~~591,~~000~~908.0033 ~~188~~207,~~308~~620.1446 722,~~023~~600,~~874~~461.4930 0.00 0.00 3-A-5 19,371,125.00 1912,~~371~~461,~~125~~970.0040 6067,~~807~~044.8411 27,~~268~~298,~~126~~065.1463 0.00 0.00 3-A-6 5,623,875.00 53,~~623~~617,~~875~~991.0041 1719,~~653~~464.8942 ~~658~~2,~~488~~118,793.2325 0.00 0.00 3-A-7 75,876,000.00 75,876,000.00 0.00 0.00 0.00 0.00 3-A-8 18,969,000.00 18,969,000.00 0.00 0.00 0.00 0.00 PO 1,023,212.00 1981,~~023,212~~143.0046 1,~~128~~084.3104 4734,265.9529 0.00 0.00 AX 0.00 0.00 0.00 0.00 0.00 0.00 AR 100.00 ~~100~~0.00 30.9100 960.0900 0.00 0.00 B-1 17,263,000.00 17,~~263~~230,~~000~~552.0014 16,~~159~~447.1222 0.00 0.00 0.00 B-2 5,011,000.00 5,~~011~~001,~~000~~581.0023 4,~~690~~774.5720 0.00 0.00 0.00 B-3 3,899,000.00 3,~~899~~891,~~000~~671.0037 3,~~649~~714.6875 0.00 0.00 0.00 B-4 1,670,000.00 1,~~670~~666,~~000~~861.0004 1,~~563~~591.2108 0.00 0.00 0.00 B-5 1,392,000.00 1,~~392~~389,~~000~~383.0057 1,~~302~~326.9922 0.00 0.00 0.00 B-6 1,949,915.00 1,~~949~~946,~~915~~249.0090 1,~~825~~857.2377 0.00 0.00 0.00 Totals 556,872,227.00 ~~556~~509,~~872~~597,~~227~~756.0042 ~~521~~486,~~356~~390.0530 1943,~~074~~671,~~558~~839.2809 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 ~~769~~2,~~218~~922,402.0089 2418,~~160~~903,~~782~~779.0070 0.~~96914489~~75827436 ~~769~~2,~~218~~922,402.0089 2-A-1 5,~~423~~748,~~700~~724.4722 ~~110~~102,~~700~~904,~~299~~819.5327 0.~~95329389~~88616323 5,~~423~~748,~~700~~724.4722 3-A-1 1,~~972~~944,~~043~~120.7934 ~~125~~121,~~391~~489,~~706~~453.2109 0.~~98451644~~95387780 1,~~972~~944,~~043~~120.7934 3-A-2 1,~~183~~166,~~226~~472.2720 7572,~~235~~893,~~023~~671.7385 0.~~98451644~~95387780 1,~~183~~166,~~226~~472.2720 3-A-3 0.00 0.00 0.00000000 0.00 3-A-4 722,~~212~~808,~~182~~081.6375 5215,~~775~~783,~~817~~826.3758 0.~~87977291~~26311640 722,~~212~~808,~~182~~081.6375 3-A-5 27,~~328~~365,~~933~~109.9873 175,~~042~~096,~~191~~860.0267 0.~~87977291~~26311640 27,~~328~~365,~~933~~109.9873 3-A-6 ~~676~~2,~~142~~138,257.1266 41,~~947~~479,~~732~~733.8874 0.~~87977291~~26311640 ~~676~~2,~~142~~138,257.1266 3-A-7 0.00 75,876,000.00 1.00000000 0.00 3-A-8 0.00 18,969,000.00 1.00000000 0.00 PO 135,~~176~~349.2733 1945,~~022,035~~794.7313 0.~~99885041~~92433839 135,~~176~~349.2733 AX 0.00 0.00 0.00000000 0.00 AR ~~100~~0.00 0.00 0.00000000 ~~100~~0.00 B-1 16,~~159~~447.1222 17,~~246~~214,~~840~~104.8892 0.~~99906394~~99716764 16,~~159~~447.1222 B-2 4,~~690~~774.5720 54,~~006~~996,~~309~~807.4303 0.~~99906395~~99716764 4,~~690~~774.5720 B-3 3,~~649~~714.6875 3,~~895~~887,~~350~~956.3262 0.~~99906394~~99716764 3,~~649~~714.6875 B-4 1,~~563~~591.2108 1,~~668~~665,~~436~~269.7995 0.~~99906395~~99716763 1,~~563~~591.2108 B-5 1,~~302~~326.9922 1,~~390~~388,~~697~~057.0135 0.~~99906394~~99716764 1,~~302~~326.9922 B-6 1,~~825~~857.2377 1,~~948~~944,~~089~~392.7713 0.~~99906394~~99716764 1,~~825~~857.2377 Totals 1944,~~595~~158,~~914~~229.3336 ~~537~~465,~~276~~439,~~312~~527.6703 0.~~96481075~~83581027 1944,~~595~~158,~~914~~229.3336

Principal Distribution Factors Statement Original Beginning Scheduled Unscheduled Face Certificate Principal Principal Class (2) Amount Balance Distribution Distribution Accretion 1-A-1 24,930,000.00 ~~1000~~875.~~00000000~~49869996 1.~~20785880~~08085680 29116.~~64725552~~14348656 0.00000000 2-A-1 116,124,000.00 ~~1000~~935.~~00000000~~66828123 0.~~96248829~~91458053 4548.~~74362302~~59046778 0.00000000 3-A-1 127,363,750.00 ~~1000~~969.~~00000000~~14211014 0.~~40427147~~13895005 15.~~07928480~~12536448 0.00000000 3-A-2 76,418,250.00 ~~1000~~969.~~00000000~~14211016 0.~~40427149~~13895005 15.~~07928486~~12536443 0.00000000 3-A-3 0.00 0.00000000 0.00000000 0.00000000 0.00000000 3-A-4 59,988,000.00 ~~1000~~643.~~00000000~~32713759 3.~~13909682~~46103321 ~~117~~376.~~08799243~~74970494 0.00000000 3-A-5 19,371,125.00 ~~1000~~643.~~00000000~~32713769 3.~~13909698~~46103337 ~~117~~376.~~08799257~~74970504 0.00000000 3-A-6 5,623,875.00 ~~1000~~643.~~00000000~~32713832 3.~~13909715~~46103354 ~~117~~376.~~08799182~~74970550 0.00000000 3-A-7 75,876,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 3-A-8 18,969,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 PO 1,023,212.00 ~~1000~~958.~~00000000~~88580275 1.~~10271381~~05944809 033.~~04686223~~48796730 0.00000000 AX 0.00 0.00000000 0.00000000 0.00000000 0.00000000 AR 100.00 ~~1000~~0.00000000 390.~~10000000~~00000000 ~~960~~0.~~90000000~~00000000 0.00000000 B-1 17,263,000.00 ~~1000~~998.~~00000000~~12038116 0.~~93605515~~95274402 0.00000000 0.00000000 B-2 5,011,000.00 ~~1000~~998.~~00000000~~12038116 0.~~93605468~~95274396 0.00000000 0.00000000 B-3 3,899,000.00 ~~1000~~998.~~00000000~~12038215 0.~~93605540~~95274429 0.00000000 0.00000000 B-4 1,670,000.00 ~~1000~~998.~~00000000~~12038323 0.~~93605389~~95274251 0.00000000 0.00000000 B-5 1,392,000.00 ~~1000~~998.~~00000000~~12038075 0.~~93605603~~95274425 0.00000000 0.00000000 B-6 1,949,915.00 ~~1000~~998.~~00000000~~12037961 0.~~93605619~~95274409 0.00000000 0.00000000

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 30117.~~85511432~~22434376 ~~969~~758.~~14488568~~27435620 0.~~96914489~~75827436 30117.~~85511432~~22434376 2-A-1 0.00000000 4649.~~70611131~~50504822 ~~953~~886.~~29388869~~16323301 0.~~95329389~~88616323 4649.~~70611131~~50504822 3-A-1 0.00000000 15.~~48355627~~26431453 ~~984~~953.~~51644373~~87779561 0.~~98451644~~95387780 15.~~48355627~~26431453 3-A-2 0.00000000 15.~~48355622~~26431448 ~~984~~953.~~51644378~~87779555 0.~~98451644~~95387780 15.~~48355622~~26431448 3-A-3 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 3-A-4 0.00000000 ~~120~~380.~~22708925~~21073798 ~~879~~263.~~77291075~~11639961 0.~~87977291~~26311640 ~~120~~380.~~22708925~~21073798 3-A-5 0.00000000 ~~120~~380.~~22708955~~21073789 ~~879~~263.~~77291045~~11639980 0.~~87977291~~26311640 ~~120~~380.~~22708955~~21073789 3-A-6 0.00000000 ~~120~~380.~~22708897~~21073726 ~~879~~263.~~77291103~~11639928 0.~~87977291~~26311640 ~~120~~380.~~22708897~~21073726 3-A-7 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 3-A-8 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 PO 0.00000000 134.~~14958581~~54741539 ~~998~~924.~~85041419~~33838735 0.~~99885041~~92433839 134.~~14958581~~54741539 AX 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 AR 0.00000000 ~~1,000~~0.00000000 0.00000000 0.00000000 ~~1,000~~0.00000000 B-1 0.00000000 0.~~93605515~~95274402 ~~999~~997.~~06394485~~16763714 0.~~99906394~~99716764 0.~~93605515~~95274402 B-2 0.00000000 0.~~93605468~~95274396 ~~999~~997.~~06394532~~16763720 0.~~99906395~~99716764 0.~~93605468~~95274396 B-3 0.00000000 0.~~93605540~~95274429 ~~999~~997.~~06394460~~16763786 0.~~99906394~~99716764 0.~~93605540~~95274429 B-4 0.00000000 0.~~93605389~~95274251 ~~999~~997.~~06394611~~16763473 0.~~99906395~~99716763 0.~~93605389~~95274251 B-5 0.00000000 0.~~93605603~~95274425 ~~999~~997.~~06394397~~16763649 0.~~99906394~~99716764 0.~~93605603~~95274425 B-6 0.00000000 0.~~93605619~~95274409 ~~999~~997.~~06394381~~16763551 0.~~99906394~~99716764 0.~~93605619~~95274409 (3) Amount Does Not Include Excess Special Hazard, Bankrupcy, 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 24,930,000.00 7.00000% 2421,~~930~~826,~~000~~182.0059 ~~145~~127,~~425~~319.0040 0.00 0.00 2-A-1 116,124,000.00 6.00000% ~~116~~108,~~124~~653,~~000~~543.0049 ~~580~~543,~~620~~267.0072 0.00 0.00 3-A-1 127,363,750.00 4.50000% ~~127~~123,~~363~~433,~~750~~573.0043 ~~477~~462,~~614~~875.0690 0.00 0.00 3-A-2 76,418,250.00 1.~~80000~~72000% 7674,~~418~~060,~~250~~144.0006 ~~114~~106,~~627~~152.3887 0.00 0.00 3-A-3 0.00 6.~~70000~~78000% 7674,~~418~~060,~~250~~144.0006 ~~426~~418,~~668~~439.5681 0.00 0.00 3-A-4 59,988,000.00 2.~~15000~~07000% 5938,~~988~~591,~~000~~908.0033 ~~107~~66,~~478~~571.5004 0.00 0.00 3-A-5 19,371,125.00 17.~~34190~~58896% 1912,~~371~~461,~~125~~970.0040 ~~279~~182,~~932~~660.1392 0.00 0.00 3-A-6 5,623,875.00 8.00000% 53,~~623~~617,~~875~~991.0041 3724,~~492~~119.5094 0.00 0.00 3-A-7 75,876,000.00 2.~~90000~~82000% 75,876,000.00 ~~183~~178,~~367~~308.0060 0.00 0.00 3-A-8 18,969,000.00 18.~~40000~~72000% 18,969,000.00 ~~290~~295,~~858~~916.0040 0.00 0.00 PO 1,023,212.00 0.00000% 1981,~~023,212~~143.0046 0.00 0.00 0.00 AX 0.00 6.00000% 4438,~~102~~497,~~771~~159.7981 ~~220~~192,~~513~~485.8680 0.00 0.00 AR 100.00 7.00000% ~~100~~0.00 0.5800 0.00 0.00 B-1 17,263,000.00 6.~~04800~~04794% 17,~~263~~230,~~000~~552.0014 8786,~~005~~841.5215 0.00 0.00 B-2 5,011,000.00 6.~~04800~~04794% 5,~~011~~001,~~000~~581.0023 25,~~255~~207.4473 0.00 0.00 B-3 3,899,000.00 6.~~04800~~04794% 3,~~899~~891,~~000~~671.0037 19,~~650~~613.9684 0.00 0.00 B-4 1,670,000.00 6.~~04800~~04794% 1,~~670~~666,~~000~~861.0004 8,~~416~~400.8090 0.00 0.00 B-5 1,392,000.00 6.~~04800~~04794% 1,~~392~~389,~~000~~383.0057 7,~~015~~002.6843 0.00 0.00 B-6 1,949,915.00 6.~~04800~~04794% 1,~~949~~946,~~915~~249.0090 9,~~827~~809.5701 0.00 0.00 Totals 556,872,227.00 32,~~021~~754,~~769~~993.5446 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 ~~129~~245.4837 0.00 ~~145~~127,~~295~~074.5203 0.00 2418,~~160~~903,~~782~~779.0070 2-A-1 ~~516~~1,046.9699 0.00 ~~580~~542,~~103~~220.0473 0.00 ~~110~~102,~~700~~904,~~299~~819.5327 3-A-1 ~~425~~892.2506 0.00 ~~477~~461,~~188~~983.8184 0.00 ~~125~~121,~~391~~489,~~706~~453.2109 3-A-2 ~~102~~204.0658 0.00 ~~114~~105,~~525~~948.3229 0.00 7572,~~235~~893,~~023~~671.7385 3-A-3 ~~379~~806.8942 0.00 ~~426~~417,~~288~~633.6739 0.00 7572,~~235~~893,~~023~~671.7385 3-A-4 95128.6930 0.00 ~~107~~66,~~382~~442.8175 0.00 5215,~~775~~783,~~817~~826.3758 3-A-5 ~~249~~352.2403 0.00 ~~279~~182,~~694~~308.8389 0.00 175,~~042~~096,~~191~~860.0267 3-A-6 3346.3848 0.00 3724,~~459~~073.1246 0.00 41,~~947~~479,~~732~~733.8874 3-A-7 ~~163~~343.2664 0.00 ~~183~~177,~~203~~964.7496 0.00 75,876,000.00 3-A-8 ~~258~~570.9729 0.00 ~~290~~295,~~599~~346.0311 0.00 18,969,000.00 PO 0.00 0.00 0.00 0.00 1945,~~022,035~~794.7313 AX ~~196~~370.3496 0.00 ~~220~~192,~~317~~114.5284 0.00 4234,~~047~~458,~~278~~684.3342 AR 0.00 0.00 07.5845 0.00 0.00 B-1 77167.4736 0.00 86,~~928~~673.0579 0.00 17,~~246~~214,~~840~~104.8892 B-2 2248.4958 0.00 25,~~232~~159.9515 0.00 54,~~006~~996,~~309~~807.4303 B-3 1737.5080 0.00 19,~~633~~576.4604 0.00 3,~~895~~887,~~350~~956.3262 B-4 716.4919 0.00 8,~~409~~384.3171 0.00 1,~~668~~665,~~436~~269.7995 B-5 613.2550 0.00 76,~~009~~988.4393 0.00 1,~~390~~388,~~697~~057.0135 B-6 818.7590 0.00 9,~~818~~790.8210 0.00 1,~~948~~944,~~089~~392.7713 Totals 25,~~690~~309.4745 0.00 32,~~019~~749,~~091~~691.0146 0.00 (4) Amount Does Not Include Excess Special Hazard, Bankrupcy, 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 24,930,000.00 7.00000% ~~1000~~875.~~00000000~~49869996 5.~~83333333~~10707581 0.00000000 0.00000000 2-A-1 116,124,000.00 6.00000% ~~1000~~935.~~00000000~~66828123 54.~~00000000~~67834143 0.00000000 0.00000000 3-A-1 127,363,750.00 4.50000% ~~1000~~969.~~00000000~~14211014 3.~~74999998~~63428291 0.00000000 0.00000000 3-A-2 76,418,250.00 1.~~80000~~72000% ~~1000~~969.~~00000000~~14211016 1.~~50000007~~38910365 0.00000000 0.00000000 3-A-3 0.00 6.~~70000~~78000% ~~1000~~969.~~00000000~~14211016 5.~~58333330~~47565287 0.00000000 0.00000000 3-A-4 59,988,000.00 2.~~15000~~07000% ~~1000~~643.~~00000000~~32713759 1.~~79166667~~10973928 0.00000000 0.00000000 3-A-5 19,371,125.00 17.~~34190~~58896% ~~1000~~643.~~00000000~~32713769 149.~~45100014~~42954630 0.00000000 0.00000000 3-A-6 5,623,875.00 8.00000% ~~1000~~643.~~00000000~~32713832 64.~~66666667~~28884710 0.00000000 0.00000000 3-A-7 75,876,000.00 2.~~90000~~82000% 1000.00000000 2.~~41666667~~35000000 0.00000000 0.00000000 3-A-8 18,969,000.00 18.~~40000~~72000% 1000.00000000 15.~~33333333~~60000000 0.00000000 0.00000000 PO 1,023,212.00 0.00000% ~~1000~~958.~~00000000~~88580275 0.00000000 0.00000000 0.00000000 AX 0.00 6.00000% ~~1000~~872.~~00008594~~89668100 54.~~00000045~~36448343 0.00000000 0.00000000 AR 100.00 7.00000% ~~1000~~0.00000000 50.~~80000000~~00000000 0.00000000 0.00000000 B-1 17,263,000.00 6.~~04800~~04794% ~~1000~~998.~~00000000~~12038116 5.~~04000000~~03047848 0.00000000 0.00000000 B-2 5,011,000.00 6.~~04800~~04794% ~~1000~~998.~~00000000~~12038116 5.~~04000000~~03047895 0.00000000 0.00000000 B-3 3,899,000.00 6.~~04800~~04794% ~~1000~~998.~~00000000~~12038215 5.~~04000000~~03047961 0.00000000 0.00000000 B-4 1,670,000.00 6.~~04800~~04794% ~~1000~~998.~~00000000~~12038323 5.~~04000000~~03047904 0.00000000 0.00000000 B-5 1,392,000.00 6.~~04800~~04794% ~~1000~~998.~~00000000~~12038075 5.~~04000000~~03048132 0.00000000 0.00000000 B-6 1,949,915.00 6.~~04800~~04794% ~~1000~~998.~~00000000~~12037961 5.~~03999918~~03048082 0.00000000 0.00000000 (5) Per $1 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.~~00519374~~00984236 0.00000000 5.~~82813959~~09723345 0.00000000 ~~969~~758.~~14488568~~27435620 2-A-1 0.~~00445179~~00901614 0.00000000 4.~~99554821~~66932529 0.00000000 ~~953~~886.~~29388869~~16323301 3-A-1 0.~~00333886~~00700403 0.00000000 3.~~74666112~~62727888 0.00000000 ~~984~~953.~~51644373~~87779561 3-A-2 0.~~00133554~~00267711 0.00000000 1.~~49866452~~38642654 0.00000000 ~~984~~953.~~51644378~~87779555 3-A-3 0.~~00497119~~01055271 0.00000000 5.~~57836211~~46510016 0.00000000 ~~984~~953.~~51644378~~87779555 3-A-4 0.~~00159515~~00213876 0.00000000 1.~~79007151~~10760069 0.00000000 ~~879~~263.~~77291075~~11639961 3-A-5 0.~~01286657~~01817292 0.00000000 149.~~43874994~~41137337 0.00000000 ~~879~~263.~~77291045~~11639980 3-A-6 0.~~00593541~~00826476 0.00000000 64.~~66073126~~28058234 0.00000000 ~~879~~263.~~77291103~~11639928 3-A-7 0.~~00215167~~00452897 0.00000000 2.~~41451500~~34547103 0.00000000 1000.00000000 3-A-8 0.~~01365227~~03006432 0.00000000 15.~~31968106~~56993568 0.00000000 1000.00000000 PO 0.00000000 0.00000000 0.00000000 0.00000000 ~~998~~924.~~85041419~~33838735 AX 0.~~00445187~~00841126 0.00000000 4.~~99554858~~35607216 0.00000000 ~~953~~781.~~39318226~~32702283 AR 0.00000000 0.00000000 574.~~80000000~~50000000 0.00000000 0.00000000 B-1 0.~~00448763~~00969472 0.00000000 5.~~03551237~~02078376 0.00000000 ~~999~~997.~~06394485~~16763714 B-2 0.~~00448813~~00969467 0.00000000 5.~~03551187~~02078427 0.00000000 ~~999~~997.~~06394532~~16763720 B-3 0.~~00448833~~00969479 0.00000000 5.~~03551167~~02078482 0.00000000 ~~999~~997.~~06394460~~16763786 B-4 0.~~00448503~~00969461 0.00000000 5.~~03551497~~02078443 0.00000000 ~~999~~997.~~06394611~~16763473 B-5 0.~~00448994~~00969828 0.00000000 5.~~03551006~~02078305 0.00000000 ~~999~~997.~~06394397~~16763649 B-6 0.~~00448738~~00969273 0.00000000 5.~~03551180~~02078296 0.00000000 ~~999~~997.~~06394381~~16763551 (6) Amount Does Not Include Excess Special Hazard, Bankrupcy,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 2246,~~707~~963,~~940~~963.1091 Liquidations, Insurance Proceeds, Reserve Funds 0.00 Proceeds from Repurchased Loans 0.00 Other Amounts (Servicer Advances) 2350,~~080~~123.2708 Realized Losses 0.00 Prepayment Penalties 0.00 Total Deposits 2247,~~731~~014,~~020~~086.3799 Withdrawals Reimbursement for Servicer Advances 0.00 Payment of Service Fee ~~116~~106,~~015~~166.0317 Payment of Interest and Principal 2246,~~615~~907,~~005~~920.3482 Total Withdrawals (Pool Distribution Amount) 2247,~~731~~014,~~020~~086.3799 Ending Balance 0.00

PREPAYMENT/CURTAILMENT INTEREST SHORTFALL Total Prepayment/Curtailment Interest Shortfall 25,~~690~~309.4745 Servicing Fee Support 0.00 Non-Supported Prepayment/Curtailment Interest Shortfall 25,~~690~~309.4745

SERVICING FEES Gross Servicing Fee ~~116~~106,~~015~~166.0317 Supported Prepayment/Curtailment Interest Shortfall 0.00 Net Servicing Fee ~~116~~106,~~015~~166.0317

LOAN STATUS STRATIFICATION/CREDIT ENHANCEMENT STATEMENT DELINQUENCY STATUS DELINQUENT BANKRUPTCY FORECLOSURE REO Total No of Loans No of Loans No of Loans No of Loans No of Loans Principal Balance Principal Balance Principal Balance Principal Balance Principal Balance 0-29 Days 0 0 0 0 0.00 0.00 0.00 0.00 30 Days 913 0 0 0 913 36,~~545~~985,~~585~~715.9197 0.00 0.00 0.00 36,~~545~~985,~~585~~715.9197 60 Days 02 0 0 0 02 0783,267.0091 0.00 0.00 0.00 0783,267.0091 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 915 0 0 0 915 37,~~545~~768,~~585~~983.9188 0.00 0.00 0.00 37,~~545~~768,~~585~~983.9188 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 01.~~791557~~323829% 0.000000% 0.000000% 0.000000% 01.~~791557~~323829% 01.~~659380~~499603% 0.000000% 0.000000% 0.000000% 01.~~659380~~499603% 60 Days 0.~~000000~~203666% 0.000000% 0.000000% 0.000000% 0.~~000000~~203666% 0.~~000000~~168142% 0.000000% 0.000000% 0.000000% 0.~~000000~~168142% 90 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 120 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 150 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 180+ Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% Totals 01.~~791557~~527495% 0.000000% 0.000000% 0.000000% 01.~~791557~~527495% 01.~~659380~~667745% 0.000000% 0.000000% 0.000000% 01.~~659380~~667745%

Delinquency Status By Groups DELINQUENT BANKRUPTCY FORECLOSURE REO Total Group 1 No of Loans No of Loans No of Loans No of Loans No of Loans Principal Balance Principal Balance Principal Balance Principal Balance Principal Balance 0-29 Days 0 0 0 0 0.00 0.00 0.00 0.00 30 Days 01 0 0 0 01 0620,007.0006 0.00 0.00 0.00 0620,007.0006 60 Days 01 0 0 0 01 0305,258.0025 0.00 0.00 0.00 0305,258.0025 90 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 120 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 150 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 180 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 Totals 02 0 0 0 02 0925,265.0031 0.00 0.00 0.00 0925,265.0031 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 02.000000% 0.000000% 0.000000% 0.000000% 02.000000% 03.~~000000~~002187% 0.000000% 0.000000% 0.000000% 03.~~000000~~002187% 60 Days 02.000000% 0.000000% 0.000000% 0.000000% 02.000000% 01.~~000000~~478116% 0.000000% 0.000000% 0.000000% 01.~~000000~~478116% 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 04.000000% 0.000000% 0.000000% 0.000000% 04.000000% 04.~~000000~~480303% 0.000000% 0.000000% 0.000000% 04.~~000000~~480303% DELINQUENT BANKRUPTCY FORECLOSURE REO Total Group 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 02 0 0 0 02 01,395,449.0067 0.00 0.00 0.00 01,395,449.0067 60 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 90 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 120 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 150 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 180 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 Totals 02 0 0 0 02 01,395,449.0067 0.00 0.00 0.00 01,395,449.0067 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 0.~~000000~~921659% 0.000000% 0.000000% 0.000000% 0.~~000000~~921659% 01.~~000000~~265925% 0.000000% 0.000000% 0.000000% 01.~~000000~~265925% 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~~921659% 0.000000% 0.000000% 0.000000% 0.~~000000~~921659% 01.~~000000~~265925% 0.000000% 0.000000% 0.000000% 01.~~000000~~265925% DELINQUENT BANKRUPTCY FORECLOSURE REO Total Group 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 910 0 0 0 910 34,~~545~~970,~~585~~259.9124 0.00 0.00 0.00 34,~~545~~970,~~585~~259.9124 60 Days 01 0 0 0 01 0478,009.0066 0.00 0.00 0.00 0478,009.0066 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 911 0 0 0 911 35,~~545~~448,~~585~~268.9190 0.00 0.00 0.00 35,~~545~~448,~~585~~268.9190 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 1.~~067616~~398601% 0.000000% 0.000000% 0.000000% 1.~~067616~~398601% 01.~~900623~~483862% 0.000000% 0.000000% 0.000000% 01.~~900623~~483862% 60 Days 0.~~000000~~139860% 0.000000% 0.000000% 0.000000% 0.~~000000~~139860% 0.~~000000~~142709% 0.000000% 0.000000% 0.000000% 0.~~000000~~142709% 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.~~067616~~538462% 0.000000% 0.000000% 0.000000% 1.~~067616~~538462% 01.~~900623~~626571% 0.000000% 0.000000% 0.000000% 01.~~900623~~626571%

OTHER INFORMATION Current Period Class A Insufficient Funds 0.00 Principal Balance of Contaminated Properties 0.00 Periodic Advance 2350,~~080~~123.2708

CREDIT ENHANCEMENT Original $ Original % Current $ Current % Bankruptcy 218,279.00 0.03919732% 218,279.00 0.~~04062695~~04689739% Fraud 16,706,167.00 3.00000003% 16,706,167.00 3.~~10941811~~58933137% Special Hazard 6,000,000.00 1.07744644% 6,000,000.00 1.~~11674381~~28910409% Limit of Subordinate's Exposure to Certain Types of Losses

COLLATERAL STATEMENT Collateral Description Mixed ARM Weighted Average Gross Coupon 6.~~761613~~737472% Weighted Average Pass-Through Rate 6.~~511613~~487472% Weighted Average Maturity(Stepdown Calculation ) ~~349~~348 Beginning Scheduled Collateral Loan Count 1,~~174~~073 Number Of Loans Paid In Full 3791 Ending Scheduled Collateral Loan Count ~~1,137~~982 Beginning Scheduled Collateral Balance ~~556~~509,~~872~~597,~~227~~757.0084 Ending Scheduled Collateral Balance ~~537~~465,~~276~~439,~~314~~528.0947 Ending Actual Collateral Balance at 2830-~~Feb~~Apr-2003 ~~537~~465,~~715~~837,~~029~~718.4328 Monthly P &I Constant 3,~~659~~347,~~151~~574.6809 Special Servicing Fee 0.00 Prepayment Penalties 0.00 Realized Loss Amount 0.00 Cumulative Realized Loss 0.00 Class A Optimal Amount 2246,~~430~~691,~~044~~287.2622 Class AP Deferred Amount 0.00 Ending Scheduled Balance for Premium Loans ~~537~~465,~~276~~439,~~314~~528.0947 Scheduled Principal ~~521~~486,~~356~~406.0691 Unscheduled Principal 1943,~~074~~671,~~558~~822.2846

Group Level Collateral Statement Group Group 1 Group 2 Group 3 Collateral Description Mixed ARM Mixed ARM Mixed ARM Weighted Average Coupon Rate 7.~~380420~~362236 6.~~468377~~458601 6.~~809921~~785017 Weighted Average Net Rate 7.~~130420~~112237 6.~~218377~~208601 6.~~559921~~535018 Weighted Average Maturity ~~313~~312 ~~231~~ 351 350 Beginning Loan Count 6356 ~~238~~227 ~~873~~790 Loans Paid In Full 1 6 3010 75 Ending Loan Count 6250 ~~232~~217 ~~843~~715 Beginning Scheduled Balance 2623,~~717,~~569,593.0087 ~~123~~115,~~391~~906,~~416~~833.1700 ~~406~~370,~~763~~121,~~243~~330.2697 Ending scheduled Balance 2520,~~946~~625,~~090~~124.5112 ~~117~~110,~~960~~136,~~685~~636.7633 ~~393~~334,~~369~~677,~~537~~768.8202 Record Date 0204/2830/2003 0204/2830/2003 0204/2830/2003 Principal And Interest Constant ~~196~~173,~~597~~708.9188 ~~783~~737,~~907~~149.1775 2,~~678~~436,~~646~~715.6046 Scheduled Principal 3229,~~275~~104.5178 ~~118~~113,~~788~~319.6575 ~~370~~343,~~291~~982.9038 Unscheduled Principal ~~739~~2,~~202~~915,364.9897 5,~~311~~656,~~941~~876.7692 1335,~~023~~099,~~413~~580.5457 Scheduled Interest ~~164~~144,~~322~~604.4010 ~~665~~623,~~118~~830.5200 2,~~308~~092,~~354~~733.7008 Servicing Fees 54,~~566~~910.1532 2524,~~706~~147.5425 8477,~~742~~108.3460 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 0.00 Pool Insurance Fee 0.00 0.00 0.00 Spread Fee 1 0.00 0.00 0.00 Spread Fee 2 0.00 0.00 0.00 Spread Fee 3 0.00 0.00 0.00 Net Interest ~~158~~139,~~756~~693.2578 ~~639~~599,~~411~~682.9875 2,~~223~~015,~~612~~624.3648 Realized Loss Amount 0.00 0.00 0.00 Cumulative Realized Loss 0.00 0.00 0.00 Percentage of Cumulative Losses 0.00 0.00 0.00 Prepayment Penalties 0.00 0.00 0.00 Special Servicing Fee 0.00 0.00 0.00 Pass-Through Rate 7.~~130420~~112236 6.~~218377~~208601 6.~~559921~~535017

Group Level Collateral Statement Group Total Collateral Description Mixed ARM Weighted Average Coupon Rate 6.~~761613~~737472 Weighted Average Net Rate 6.~~511613~~487472 Weighted Average Maturity ~~349~~348 Beginning Loan Count 1,~~174~~073 Loans Paid In Full 3791 Ending Loan Count ~~1,137~~982 Beginning Scheduled Balance ~~556~~509,~~872~~597,~~228~~757.4384 Ending scheduled Balance ~~537~~465,~~276~~439,~~314~~528.0947 Record Date 0204/2830/2003 Principal And Interest Constant 3,~~659~~347,~~151~~574.6809 Scheduled Principal ~~521~~486,~~356~~406.0691 Unscheduled Principal 1943,~~074~~671,~~558~~822.2846 Scheduled Interest 32,~~137~~861,~~795~~167.6218 Servicing Fees ~~116~~106,~~015~~166.0317 Master Servicing Fees 0.00 Trustee Fee 0.00 FRY Amount 0.00 Special Hazard Fee 0.00 Other Fee 0.00 Pool Insurance Fee 0.00 Spread Fee 1 0.00 Spread Fee 2 0.00 Spread Fee 3 0.00 Net Interest 32,~~021~~755,~~780~~001.5901 Realized Loss Amount 0.00 Cumulative Realized Loss 0.00 Percentage of Cumulative Losses 0.00 Prepayment Penalties 0.00 Special Servicing Fee 0.00 Pass-Through Rate 6.~~511613~~487472

Miscellaneous Reporting Group Group 1 Group ~~1Senior~~1 Senior Prepayment % 100.000000% Group 1 Senior % 9493.~~339262~~600491% ~~Junior % of~~ Group 1 5Subordinate % 6.~~660738~~399509% Group Group 2 Group 2 Senior Prepayment % 100.000000% Group 2 Senior % 94.~~383627~~031425% ~~Junior % of~~ Group 2 Subordinate % 5.~~616373~~968575% Group Group 3 Group 3 Senior Prepayment % 100.000000% Group 3 Senior % 9493.~~394789~~850586% ~~Junior % of~~ Group 3 5Subordinate % 6.~~605211~~149414%

Filing Compare · MASTR SEASONED SECURITIZATION TRUST 2003-1