8-K 1 mal03003.txt JUNE 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): June 25, 2003 MASTR ALTERNATIVE LOAN TRUST Mortgage Pass-Through Certificates, Series 2003-3 Trust (Exact name of registrant as specified in its charter) New York (governing law of 333-101254-05 Pending Pooling and Servicing Agreement) (Commission (State or other File Number) IRS EIN jurisdiction of Incorporation) c/o Wells Fargo Bank Minnesota, 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) ITEM 5. Other Events On June 25, 2003 a distribution was made to holders of MASTR ALTERNATIVE LOAN TRUST, Mortgage Pass-Through Certificates, Series 2003-3 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 2003-3 Trust, relating to the June 25, 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 ALTERNATIVE LOAN TRUST Mortgage Pass-Through Certificates, Series 2003-3 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: 6/25/03 INDEX TO EXHIBITS Exhibit Number Description EX-99.1 Monthly report distributed to holders of Mortgage Pass-Through Certificates, Series 2003-3 Trust, relating to the June 25, 2003 distribution.

MASTR Alternative Loan Trust Mortgage Pass-Through Certificates Record Date: 45/3031/03 Distribution Date: 56/2725/03 MAL Series: 2003-3 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-A1 576434DT8 SEN 6.50000% 7674,~~038~~860,~~000~~468.00 ~~411~~405,~~872~~409.5021 12,~~177~~476,~~532~~035.0021 A-R 576434EB6 RES 6.00000% ~~100~~0.00 0.5000 ~~100~~0.00 2-A1 576434DV3 SEN 8.50000% 6564,~~908~~883,~~125~~533.0076 ~~466~~459,~~849~~495.2236 1,~~024~~017,~~591~~552.2455 2-A2 576434DW1 SEN 4.50000% ~~109~~108,~~846~~139,~~875~~222.0093 ~~411~~405,~~925~~437.7809 1,~~707~~695,~~652~~920.0792 2-A3 576434DX9 SEN 6.00000% ~~135~~134,~~290~~611,~~000~~547.0099 ~~676~~672,~~450~~916.0066 ~~678~~12,~~452~~314,458.0143 2-A4 576434DY7 SEN 6.00000% 7920,~~105,000~~116.0020 354,~~525~~599.0062 6920,~~184,883~~116.8020 2-A5 576434DZ4 SEN 6.00000% 10,690,000.00 53,~~450~~438.0080 0.00 2-PO 576434EA8 PO 0.00000% 1,~~810~~806,~~154~~996.0024 0.00 360,~~157~~272.7642 A-X 576434DU5 IO 6.00000% 0.00 ~~254~~246,~~967~~572.2285 0.00 B1 576434EC4 SUB 6.~~09349~~09350% 13,~~119~~107,~~000~~457.0093 66,~~617~~544.0661 11,~~542~~612.0730 B2 576434ED2 SUB 6.~~09349~~09350% 6,~~559~~553,~~000~~229.0040 33,~~305~~269.9977 5,~~770~~805.6071 B3 576434EE0 SUB 6.~~09349~~09350% 4,~~373~~369,~~000~~152.0064 22,~~205~~181.6954 3,~~847~~870.3677 B4 576434EF7 SUB 6.~~09349~~09350% 2,~~405~~402,~~000~~884.0009 12,~~212~~199.3708 2,~~115~~128.9179 B5 576434EG5 SUB 6.~~09349~~09350% 1,~~968~~966,~~000~~268.0056 9,~~993~~982.3245 1,~~731~~741.4498 B6 576434EH3 SUB 6.~~09349~~09350% 2,~~187~~185,~~338~~413.0058 11,~~107~~095.1002 1,~~924~~936.4212 Totals ~~437~~426,~~299~~496,~~592~~291.0032 2,~~466~~403,~~481~~142.7506 1018,~~803~~511,~~300~~451.6840

Certificateholder Distribution Summary (continued) Current Ending Cumulative Realized Certificate Total Realized Class Loss Balance Distribution Losses 1-A1 0.00 7472,~~860~~384,~~468~~432.0079 12,~~589~~881,~~404~~444.5042 0.00 A-R 0.00 0.00 ~~100~~0.5000 0.00 2-A1 0.00 6463,~~883~~865,~~533~~981.7621 1,~~491~~477,~~440~~047.4691 0.00 2-A2 0.00 ~~108~~106,~~139~~443,~~222~~302.9301 2,~~119~~101,~~577~~358.8501 0.00 2-A3 0.00 ~~134~~122,~~611~~297,~~547~~089.9956 112,~~354~~987,~~902~~375.0109 0.00 2-A4 0.00 ~~920,116~~0.2000 6924,~~220,408~~715.8082 0.00 2-A5 0.00 10,690,000.00 53,~~450~~438.0080 0.00 2-PO 0.00 1,~~806~~746,~~996~~723.2481 360,~~157~~272.7642 0.00 A-X 0.00 0.00 ~~254~~246,~~967~~572.2285 0.00 B1 0.00 13,~~107~~095,~~457~~845.9363 78,~~159~~156.1391 0.00 B2 0.00 6,~~553~~547,~~229~~423.4070 39,~~076~~075.5948 0.00 B3 0.00 4,~~369~~365,~~152~~281.6488 26,~~053~~052.0531 0.00 B4 0.00 2,~~402~~400,~~884~~755.0930 14,~~328~~327.2887 0.00 B5 0.00 1,~~966~~964,~~268~~526.5658 11,724.7643 0.00 B6 0.00 2,~~185~~183,~~413~~477.5846 13,031.5214 0.00 Totals 0.00 ~~426~~407,~~496~~984,~~291~~839.3293 1320,~~269~~914,~~782~~593.4346 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-A1 76,038,000.00 7674,~~038~~860,~~000~~468.00 5957,~~172~~502.8201 12,~~118~~418,~~359~~533.1820 0.00 0.00 A-R 100.00 ~~100~~0.00 30.1000 960.9000 0.00 0.00 2-A1 65,908,125.00 6564,~~908~~883,~~125~~533.0076 3118,~~712~~597.1858 ~~992~~998,~~879~~954.0798 0.00 0.00 2-A2 109,846,875.00 ~~109~~108,~~846~~139,~~875~~222.0093 5230,~~853~~995.6396 1,~~654~~664,~~798~~924.4496 0.00 0.00 2-A3 135,290,000.00 ~~135~~134,~~290~~611,~~000~~547.0099 20225,~~998~~068.8055 ~~657~~12,~~453~~089,389.2188 0.00 0.00 2-A4 7,105,000.00 7920,~~105,000~~116.0020 ~~192~~16,~~528~~900.1982 6907,~~027,880~~815.6100 (354,~~525~~599.0062) 0.00 2-A5 10,690,000.00 10,690,000.00 0.00 0.00 0.00 0.00 2-PO 1,810,154.00 1,~~810~~806,~~154~~996.0024 3,~~031~~046.0760 ~~126~~57,225.6983 0.00 0.00 A-X 0.00 0.00 0.00 0.00 0.00 0.00 B1 13,119,000.00 13,~~119~~107,~~000~~457.0093 11,~~542~~612.0730 0.00 0.00 0.00 B2 6,559,000.00 6,~~559~~553,~~000~~229.0040 5,~~770~~805.6071 0.00 0.00 0.00 B3 4,373,000.00 4,~~373~~369,~~000~~152.0064 3,~~847~~870.3677 0.00 0.00 0.00 B4 2,405,000.00 2,~~405~~402,~~000~~884.0009 2,~~115~~128.9179 0.00 0.00 0.00 B5 1,968,000.00 1,~~968~~966,~~000~~268.0056 1,~~731~~741.4498 0.00 0.00 0.00 B6 2,187,338.00 2,~~187~~185,~~338~~413.0058 1,~~924~~936.4212 0.00 0.00 0.00 Totals 437,299,592.00 ~~437~~426,~~299~~496,~~592~~291.0032 ~~387~~379,~~231~~207.5919 1018,~~451~~136,~~594~~843.1085 (354,~~525~~599.0062) 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-A1 12,~~177~~476,~~532~~035.0021 7472,~~860~~384,~~468~~432.0079 0.~~98451390~~95195077 12,~~177~~476,~~532~~035.0021 A-R ~~100~~0.00 0.00 0.00000000 ~~100~~0.00 2-A1 1,~~024~~017,~~591~~552.2455 6463,~~883~~865,~~533~~981.7621 0.~~98445425~~96901530 1,~~024~~017,~~591~~552.2455 2-A2 1,~~707~~695,~~652~~920.0792 ~~108~~106,~~139~~443,~~222~~302.9301 0.~~98445425~~96901530 1,~~707~~695,~~652~~920.0792 2-A3 ~~678~~12,~~452~~314,458.0143 ~~134~~122,~~611~~297,~~547~~089.9956 0.~~99498520~~90396252 ~~678~~12,~~452~~314,458.0143 2-A4 ~~6,184,883.80~~ 920,116.20 0.~~12950263~~00 60.00000000 920,~~184,883~~116.8020 2-A5 0.00 10,690,000.00 1.00000000 0.00 2-PO 360,~~157~~272.7642 1,~~806~~746,~~996~~723.2481 0.~~99825553~~96495868 360,~~157~~272.7642 A-X 0.00 0.00 0.00000000 0.00 B1 11,~~542~~612.0730 13,~~107~~095,~~457~~845.9363 0.~~99912020~~99823505 11,~~542~~612.0730 B2 5,~~770~~805.6071 6,~~553~~547,~~229~~423.4070 0.~~99912020~~99823505 5,~~770~~805.6071 B3 3,~~847~~870.3677 4,~~369~~365,~~152~~281.6488 0.~~99912020~~99823505 3,~~847~~870.3677 B4 2,~~115~~128.9179 2,~~402~~400,~~884~~755.0930 0.~~99912020~~99823505 2,~~115~~128.9179 B5 1,~~731~~741.4498 1,~~966~~964,~~268~~526.5658 0.~~99912020~~99823505 1,~~731~~741.4498 B6 1,~~924~~936.4212 2,~~185~~183,~~413~~477.5846 0.~~99912020~~99823505 1,~~924~~936.4212 Totals 1018,~~803~~511,~~300~~451.6840 ~~426~~407,~~496~~984,~~291~~839.3293 0.~~97529542~~93296414 1018,~~803~~511,~~300~~451.6840

Principal Distribution Factors Statement Original Beginning Scheduled Unscheduled Face Certificate Principal Principal Class (2) Amount Balance Distribution Distribution Accretion 1-A1 76,038,000.00 ~~1000~~984.~~00000000~~51390094 0.~~77820064~~75622728 1431.~~70789842~~80690181 0.00000000 A-R 100.00 ~~1000~~0.00000000 310.00000000 ~~969~~0.00000000 0.00000000 2-A1 65,908,125.00 ~~1000~~984.~~00000000~~45424991 0.~~48115737~~28217431 15.~~06459287~~15678044 0.00000000 2-A2 109,846,875.00 ~~1000~~984.~~00000000~~45424988 0.~~48115734~~28217425 15.~~06459278~~15678038 0.00000000 2-A3 135,290,000.00 ~~1000~~994.~~00000000~~98520208 01.~~15521325~~66360078 489.~~85958467~~35907961 0.00000000 2-A4 7,105,000.00 ~~1000~~129.~~00000000~~50263195 272.~~09756369~~37872203 ~~848~~127.~~39980436~~77128783 (50.~~00000000~~64737790) 2-A5 10,690,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 2-PO 1,810,154.00 ~~1000~~998.~~00000000~~25552964 1.~~67448184~~68306122 031.~~06998852~~61379087 0.00000000 A-X 0.00 0.00000000 0.00000000 0.00000000 0.00000000 B1 13,119,000.00 ~~1000~~999.~~00000000~~12020200 0.~~87979800~~88515131 0.00000000 0.00000000 B2 6,559,000.00 ~~1000~~999.~~00000000~~12020125 0.~~87979875~~88515170 0.00000000 0.00000000 B3 4,373,000.00 ~~1000~~999.~~00000000~~12020123 0.~~87979877~~88515207 0.00000000 0.00000000 B4 2,405,000.00 ~~1000~~999.~~00000000~~12020374 0.~~87979626~~88515177 0.00000000 0.00000000 B5 1,968,000.00 ~~1000~~999.~~00000000~~12020325 0.~~87979675~~88515244 0.00000000 0.00000000 B6 2,187,338.00 ~~1000~~999.~~00000000~~12019999 0.~~87980001~~88514898 0.00000000 0.00000000 (2) All Classes are per $1,000 denomination

Principal Distribution Factors Statement (continued) Total Ending Ending Total Realized Principal Certificate Certificate Principal Class Loss (3) Reduction Balance Percentage Distribution 1-A1 0.00000000 1532.~~48609906~~56312909 ~~984~~951.~~51390094~~95077185 0.~~98451390~~95195077 1532.~~48609906~~56312909 A-R 0.00000000 ~~1,000~~0.00000000 0.00000000 0.00000000 ~~1,000~~0.00000000 2-A1 0.00000000 15.~~54575009~~43895461 ~~984~~969.~~45424991~~01529531 0.~~98445425~~96901530 15.~~54575009~~43895461 2-A2 0.00000000 15.~~54575012~~43895464 ~~984~~969.~~45424988~~01529525 0.~~98445425~~96901530 15.~~54575012~~43895464 2-A3 0.00000000 591.~~01479792~~02268039 ~~994~~903.~~98520208~~96252169 0.~~99498520~~90396252 591.~~01479792~~02268039 2-A4 0.00000000 ~~870.49736805~~ 129.50263195 0.~~12950263~~00000000 ~~870~~0.~~49736805~~00000000 129.50263195 2-A5 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 2-PO 0.00000000 133.~~74447036~~29684657 ~~998~~964.~~25552964~~95867755 0.~~99825553~~96495868 133.~~74447036~~29684657 A-X 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 B1 0.00000000 0.~~87979800~~88515131 ~~999~~998.~~12020200~~23505069 0.~~99912020~~99823505 0.~~87979800~~88515131 B2 0.00000000 0.~~87979875~~88515170 ~~999~~998.~~12020125~~23505107 0.~~99912020~~99823505 0.~~87979875~~88515170 B3 0.00000000 0.~~87979877~~88515207 ~~999~~998.~~12020123~~23505145 0.~~99912020~~99823505 0.~~87979877~~88515207 B4 0.00000000 0.~~87979626~~88515177 ~~999~~998.~~12020374~~23505198 0.~~99912020~~99823505 0.~~87979626~~88515177 B5 0.00000000 0.~~87979675~~88515244 ~~999~~998.~~12020325~~23505081 0.~~99912020~~99823505 0.~~87979675~~88515244 B6 0.00000000 0.~~87980001~~88514898 ~~999~~998.~~12019999~~23505101 0.~~99912020~~99823505 0.~~87980001~~88514898 (3) Amount Does Not Include Excess Special Hazard, ~~Bankruptcy~~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-A1 76,038,000.00 6.50000% 7674,~~038~~860,~~000~~468.00 ~~411~~405,~~872~~494.5020 0.00 0.00 A-R 100.00 6.00000% ~~100~~0.00 0.5000 0.00 0.00 2-A1 65,908,125.00 8.50000% 6564,~~908~~883,~~125~~533.0076 ~~466~~459,~~849~~591.2270 0.00 0.00 2-A2 109,846,875.00 4.50000% ~~109~~108,~~846~~139,~~875~~222.0093 ~~411~~405,~~925~~522.7809 0.00 0.00 2-A3 135,290,000.00 6.00000% ~~135~~134,~~290~~611,~~000~~547.0099 ~~676~~673,~~450~~057.0074 0.00 0.00 2-A4 7,105,000.00 6.00000% 7920,~~105,000~~116.0020 354,~~525~~600.0058 0.00 0.00 2-A5 10,690,000.00 6.00000% 10,690,000.00 53,450.00 0.00 0.00 2-PO 1,810,154.00 0.00000% 1,~~810~~806,~~154~~996.0024 0.00 0.00 0.00 A-X 0.00 6.00000% 5049,~~993~~324,~~443~~908.0027 ~~254~~246,~~967~~624.2254 0.00 0.00 B1 13,119,000.00 6.~~09349~~09350% 13,~~119~~107,~~000~~457.0093 66,~~617~~558.0656 0.00 0.00 B2 6,559,000.00 6.~~09349~~09350% 6,~~559~~553,~~000~~229.0040 33,~~305~~276.9974 0.00 0.00 B3 4,373,000.00 6.~~09349~~09350% 4,~~373~~369,~~000~~152.0064 22,~~205~~186.6919 0.00 0.00 B4 2,405,000.00 6.~~09349~~09350% 2,~~405~~402,~~000~~884.0009 12,~~212~~201.3764 0.00 0.00 B5 1,968,000.00 6.~~09349~~09350% 1,~~968~~966,~~000~~268.0056 9,~~993~~984.3254 0.00 0.00 B6 2,187,338.00 6.~~09349~~09350% 2,~~187~~185,~~338~~413.0058 11,~~107~~097.1034 0.00 0.00 Totals 437,299,592.00 2,~~466~~403,~~481~~645.7586 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-A1 084.0099 0.00 ~~411~~405,~~872~~409.5021 0.00 7472,~~860~~384,~~468~~432.0079 A-R 0.00 0.00 0.5000 0.00 0.00 2-A1 096.0033 0.00 ~~466~~459,~~849~~495.2236 0.00 6463,~~883~~865,~~533~~981.7621 2-A2 085.00 0.00 ~~411~~405,~~925~~437.7809 0.00 ~~108~~106,~~139~~443,~~222~~302.9301 2-A3 0141.0008 0.00 ~~676~~672,~~450~~916.0066 0.00 ~~134~~122,~~611~~297,~~547~~089.9956 2-A4 0.0096 0.00 354,~~525~~599.0062 0.00 ~~920,116~~0.2000 2-A5 011.0020 0.00 53,~~450~~438.0080 0.00 10,690,000.00 2-PO 0.00 0.00 0.00 0.00 1,~~806~~746,~~996~~723.2481 A-X 051.0069 0.00 ~~254~~246,~~967~~572.2285 0.00 4946,~~324~~786,~~908~~923.2770 B1 013.0095 0.00 66,~~617~~544.0661 0.00 13,~~107~~095,~~457~~845.9363 B2 06.0098 0.00 33,~~305~~269.9977 0.00 6,~~553~~547,~~229~~423.4070 B3 04.0065 0.00 22,~~205~~181.6954 0.00 4,~~369~~365,~~152~~281.6488 B4 02.0056 0.00 12,~~212~~199.3708 0.00 2,~~402~~400,~~884~~755.0930 B5 02.0009 0.00 9,~~993~~982.3245 0.00 1,~~966~~964,~~268~~526.5658 B6 02.0033 0.00 11,~~107~~095.1002 0.00 2,~~185~~183,~~413~~477.5846 Totals 0503.0081 0.00 2,~~466~~403,~~481~~142.7506 0.00 (4) Amount Does Not Include Excess Special Hazard, ~~Bankruptcy~~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-A1 76,038,000.00 6.50000% ~~1000~~984.~~00000000~~51390094 5.~~41666667~~33278361 0.00000000 0.00000000 A-R 100.00 6.00000% ~~1000~~0.00000000 50.00000000 0.00000000 0.00000000 2-A1 65,908,125.00 8.50000% ~~1000~~984.~~00000000~~45424991 76.~~08333335~~97321764 0.00000000 0.00000000 2-A2 109,846,875.00 4.50000% ~~1000~~984.~~00000000~~45424988 3.~~74999999~~69170347 0.00000000 0.00000000 2-A3 135,290,000.00 6.00000% ~~1000~~994.~~00000000~~98520208 54.~~00000000~~97492601 0.00000000 0.00000000 2-A4 7,105,000.00 6.00000% ~~1000~~129.~~00000000~~50263195 50.~~00000000~~64751302 0.00000000 0.00000000 2-A5 10,690,000.00 6.00000% 1000.00000000 5.00000000 0.00000000 0.00000000 2-PO 1,810,154.00 0.00000% ~~1000~~998.~~00000000~~25552964 0.00000000 0.00000000 0.00000000 A-X 0.00 6.00000% ~~1000~~967.~~00000000~~27942591 54.~~00000010~~83639710 0.00000000 0.00000000 B1 13,119,000.00 6.~~09349~~09350% ~~1000~~999.~~00000000~~12020200 5.~~07790685~~07344767 0.00000000 0.00000000 B2 6,559,000.00 6.~~09349~~09350% ~~1000~~999.~~00000000~~12020125 5.~~07790669~~07344717 0.00000000 0.00000000 B3 4,373,000.00 6.~~09349~~09350% ~~1000~~999.~~00000000~~12020123 5.~~07790761~~07344843 0.00000000 0.00000000 B4 2,405,000.00 6.~~09349~~09350% ~~1000~~999.~~00000000~~12020374 5.~~07790852~~07344699 0.00000000 0.00000000 B5 1,968,000.00 6.~~09349~~09350% ~~1000~~999.~~00000000~~12020325 5.~~07790650~~07344512 0.00000000 0.00000000 B6 2,187,338.00 6.~~09349~~09350% ~~1000~~999.~~00000000~~12019999 5.~~07790748~~07344544 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-A1 0.~~00000000~~00111773 0.00000000 5.~~41666667~~33166588 0.00000000 ~~984~~951.~~51390094~~95077185 A-R 0.00000000 0.00000000 50.00000000 0.00000000 0.00000000 2-A1 0.~~00000000~~00146158 0.00000000 76.~~08333335~~97175591 0.00000000 ~~984~~969.~~45424991~~01529531 2-A2 0.~~00000000~~00077380 0.00000000 3.~~74999999~~69092967 0.00000000 ~~984~~969.~~45424988~~01529525 2-A3 0.~~00000000~~00104280 0.00000000 54.~~00000000~~97388321 0.00000000 ~~994~~903.~~98520208~~96252169 2-A4 0.~~00000000~~00013512 0.00000000 50.~~00000000~~64737790 0.00000000 ~~129~~0.~~50263195~~00000000 2-A5 0.~~00000000~~00104771 0.00000000 54.~~00000000~~99895229 0.00000000 1000.00000000 2-PO 0.00000000 0.00000000 0.00000000 0.00000000 ~~998~~964.~~25552964~~95867755 A-X 0.~~00000000~~00101366 0.00000000 54.~~00000010~~83538344 0.00000000 ~~967~~917.~~27942591~~50862361 B1 0.~~00000000~~00106334 0.00000000 5.~~07790685~~07238433 0.00000000 ~~999~~998.~~12020200~~23505069 B2 0.~~00000000~~00106419 0.00000000 5.~~07790669~~07238451 0.00000000 ~~999~~998.~~12020125~~23505107 B3 0.~~00000000~~00106334 0.00000000 5.~~07790761~~07238509 0.00000000 ~~999~~998.~~12020123~~23505145 B4 0.~~00000000~~00106445 0.00000000 5.~~07790852~~07238254 0.00000000 ~~999~~998.~~12020374~~23505198 B5 0.~~00000000~~00106199 0.00000000 5.~~07790650~~07238313 0.00000000 ~~999~~998.~~12020325~~23505081 B6 0.~~00000000~~00106522 0.00000000 5.~~07790748~~07238479 0.00000000 ~~999~~998.~~12019999~~23505101 (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 1320,~~273~~996,~~911~~221.4920 Liquidations, Insurance Proceeds, Reserve Funds 0.00 Proceeds from Repurchased Loans 0.00 Other Amounts (Servicer Advances) ~~124~~167,~~366~~041.2320 Realized Loss (Gains, Subsequent Expenses & Recoveries) 0.00 Prepayment Penalties 0.00 Total Deposits 1321,~~398~~163,~~277~~262.7240 Withdrawals Reimbursement for Servicer Advances 0124,366.0023 Payment of Service Fee ~~128~~124,~~495~~302.2971 Payment of Interest and Principal 1320,~~269~~914,~~782~~593.4346 Total Withdrawals (Pool Distribution Amount) 1321,~~398~~163,~~277~~262.7240 Ending Balance 0.00

PREPAYMENT/CURTAILMENT INTEREST SHORTFALL Total Prepayment/Curtailment Interest Shortfall 0503.0081 Servicing Fee Support 0.00 Non-Supported Prepayment/Curtailment Interest Shortfall 0503.0081

SERVICING FEES Gross Servicing Fee ~~128~~124,~~328~~136.9545 Master Servicing Fee 166.3426 Supported Prepayment/Curtailment Interest Shortfall 0.00 Net Servicing Fee ~~128~~124,~~495~~302.2971

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 4566 0 0 0 4566 1821,~~656~~508,~~658~~591.0139 0.00 0.00 0.00 1821,~~656~~508,~~658~~591.0139 60 Days 111 0 0 0 111 ~~189~~3,~~862~~928,149.4804 0.00 0.00 0.00 ~~189~~3,~~862~~928,149.4804 90 Days 01 0 0 0 01 0189,862.0048 0.00 0.00 0.00 0189,862.0048 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 4678 0 0 0 4678 1825,~~846~~626,~~520~~602.4991 0.00 0.00 0.00 1825,~~846~~626,~~520~~602.4991 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 35.~~427266~~221519% 0.000000% 0.000000% 0.000000% 35.~~427266~~221519% 45.~~370934~~267701% 0.000000% 0.000000% 0.000000% 45.~~370934~~267701% 60 Days 0.~~076161~~870253% 0.000000% 0.000000% 0.000000% 0.~~076161~~870253% 0.~~044482~~962049% 0.000000% 0.000000% 0.000000% 0.~~044482~~962049% 90 Days 0.~~000000~~079114% 0.000000% 0.000000% 0.000000% 0.~~000000~~079114% 0.~~000000~~046499% 0.000000% 0.000000% 0.000000% 0.~~000000~~046499% 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 36.~~503427~~170886% 0.000000% 0.000000% 0.000000% 36.~~503427~~170886% 46.~~415416~~276249% 0.000000% 0.000000% 0.000000% 46.~~415416~~276249%

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 817 0 0 0 817 13,~~175~~276,~~483~~512.5540 0.00 0.00 0.00 13,~~175~~276,~~483~~512.5540 60 Days 13 0 0 0 13 ~~189~~510,~~862~~121.4886 0.00 0.00 0.00 ~~189~~510,~~862~~121.4886 90 Days 01 0 0 0 01 0189,862.0048 0.00 0.00 0.00 0189,862.0048 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 921 0 0 0 921 13,~~365~~976,~~346~~496.0374 0.00 0.00 0.00 13,~~365~~976,~~346~~496.0374 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 24.~~240896~~941860% 0.000000% 0.000000% 0.000000% 24.~~240896~~941860% 14.~~457915~~192493% 0.000000% 0.000000% 0.000000% 14.~~457915~~192493% 60 Days 0.~~280112~~872093% 0.000000% 0.000000% 0.000000% 0.~~280112~~872093% 0.~~235480~~652731% 0.000000% 0.000000% 0.000000% 0.~~235480~~652731% 90 Days 0.~~000000~~290698% 0.000000% 0.000000% 0.000000% 0.~~000000~~290698% 0.~~000000~~242940% 0.000000% 0.000000% 0.000000% 0.~~000000~~242940% 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 26.~~521008~~104651% 0.000000% 0.000000% 0.000000% 26.~~521008~~104651% 15.~~693396~~088165% 0.000000% 0.000000% 0.000000% 15.~~693396~~088165% 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 3749 0 0 0 3749 1718,~~481~~232,~~174~~078.4699 0.00 0.00 0.00 1718,~~481~~232,~~174~~078.4699 60 Days 08 0 0 0 08 03,418,027.0018 0.00 0.00 0.00 03,418,027.0018 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 3757 0 0 0 3757 1721,~~481~~650,~~174~~106.4617 0.00 0.00 0.00 1721,~~481~~650,~~174~~106.4617 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 35.~~870293~~326087% 0.000000% 0.000000% 0.000000% 35.~~870293~~326087% 5.~~049344~~522213% 0.000000% 0.000000% 0.000000% 5.~~049344~~522213% 60 Days 0.~~000000~~869565% 0.000000% 0.000000% 0.000000% 0.~~000000~~869565% 01.~~000000~~035267% 0.000000% 0.000000% 0.000000% 01.~~000000~~035267% 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 36.~~870293~~195652% 0.000000% 0.000000% 0.000000% 36.~~870293~~195652% 56.~~049344~~557480% 0.000000% 0.000000% 0.000000% 56.~~049344~~557480%

OTHER INFORMATION Current Period Class A Insufficient Funds 0.00 Principal Balance of Contaminated Properties 0.00 Periodic Advance ~~124~~167,~~366~~041.2320

CREDIT ENHANCEMENT Original $ Original % Current $ Current % Bankruptcy 167,793.00 0.03837026% 167,793.00 0.~~03934219~~04112726% Fraud 13,118,988.00 3.00000005% 13,118,988.00 3.~~07599111~~21555771% Special Hazard 4,372,996.00 1.00000002% 4,372,996.00 1.~~02533037~~07185257% Limit of Subordinate's Exposure to Certain Types of Losses

COLLATERAL STATEMENT Collateral Description Fixed 15 & 30 Year Weighted Average Gross Coupon 7.~~120913~~112695% Weighted Average Pass-Through Rate 6.~~768308~~762954% Weighted Average Maturity(Stepdown Calculation ) ~~351~~350 Beginning Scheduled Collateral Loan Count 1,~~341~~313 Number Of Loans Paid In Full 2849 Ending Scheduled Collateral Loan Count 1,~~313~~264 Beginning Scheduled Collateral Balance ~~437~~426,~~299~~496,~~592~~291.0072 Ending Scheduled Collateral Balance ~~426~~407,~~496~~984,~~291~~840.7232 Ending Actual Collateral Balance at 3031-~~Apr~~May-2003 ~~426~~408,~~834~~310,~~567~~814.3882 Monthly P &I Constant 2,~~981~~907,~~109~~071.1247 Special Servicing Fee 0.00 Prepayment Penalties 0.00 Realized Loss Amount 0.00 Cumulative Realized Loss 0.00 Class A Optimal Amount 1320,~~084~~672,~~251~~424.3517 Class AP Deferred Amount 0.00 Ending Scheduled Balance for Premium Loans ~~426~~407,~~496~~984,~~291~~840.7232 Scheduled Principal ~~386~~379,~~132~~123.0411 Unscheduled Principal 1018,~~417~~132,~~168~~328.6429

Miscellaneous Reporting Group 1 Senior % 92.~~999630~~902472% Group 1 Junior % 7.~~000370~~097528% Group 1 Senior Prepayment % 100.000000% Group 2 Senior % 92.~~964160~~774035% Group 2 Junior % 7.~~035840~~225965% Group 2 Senior Prepayment % 100.000000%

Group Level Collateral Statement Group Group 1 Group 2 Total Collateral Description Fixed 15 & 30 Year Fixed 15 & 30 Year Fixed 15 & 30 Year Weighted Average Coupon Rate 7.~~551537~~546642 7.~~021884~~011609 7.~~120913~~112695 Weighted Average Net Rate 7.~~256645~~280980 6.~~656568~~749567 6.~~768764~~849969 Pass-Through Rate 7.253776 6.648620 6.762954 Weighted Average Maturity ~~355~~354 349 350 ~~351~~ Beginning Loan Count ~~363~~357 ~~978~~956 1,~~341~~313 Loans Paid In Full 613 2236 2849 Ending Loan Count ~~357~~344 ~~956~~920 1,~~313~~264 Beginning Scheduled Balance 8180,~~761~~579,~~616~~629.0067 ~~355~~345,~~537~~916,~~977~~662.0005 ~~437~~426,~~299~~496,~~593~~291.0072 Ending scheduled Balance 8078,~~579~~099,~~629~~201.6744 ~~345~~329,~~916~~885,~~662~~638.0588 ~~426~~407,~~496~~984,~~291~~840.7232 Record Date 0405/3031/2003 0405/3031/2003 0405/3031/2003 Principal And Interest Constant ~~578~~568,~~148~~649.5271 2,~~402~~338,~~960~~421.6076 2,~~981~~907,~~109~~071.1247 Scheduled Principal 6361,~~626~~895.9403 ~~322~~317,~~505~~228.1008 ~~386~~379,~~132~~123.0411 Unscheduled Principal 12,~~118~~418,~~359~~533.1820 915,~~298~~713,~~809~~795.4609 1018,~~417~~132,~~168~~328.6429 Scheduled Interest ~~514~~506,~~521~~754.5868 2,~~080~~021,~~455~~193.5068 2,~~594~~527,~~977~~948.0836 Servicing Fees 1817,~~086~~839.1613 7875,~~357~~537.9514 9693,~~444~~376.1127 Master Servicing Fees 2.14 164.2012 166.3426 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 21,~~006~~824.2356 2928,~~878~~935.5850 3130,~~884~~760.8106 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 ~~494~~487,~~427~~088.0585 1,~~972~~916,~~054~~556.7692 2,~~466~~403,~~481~~645.8177 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 7.256614 6.656014 6.768308~~

Filing Compare · MORTGAGE ASSET SEC TR MSTR ALT LN TR MT PS THR CT SR 2003-3