8-K 1 mal03001.txt DECEMBER 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): December 26, 2003 MASTR ALTERNATIVE LOAN TRUST Mortgage Pass-Through Certificates, Series 2003-1 Trust (Exact name of registrant as specified in its charter) New York (governing law of 333-101254-01 54-2120388 Pooling and Servicing Agreement) (Commission 54-2120389 (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 December 26, 2003 a distribution was made to holders of MASTR ALTERNATIVE LOAN 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 December 26, 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 2003-1 Trust By: Wells Fargo Bank Minnesota, N.A. as Master Servicer By: /s/ Beth Belfield as Assistant Vice President By: Beth Belfield as Assistant Vice President Date: 12/30/03 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 December 26, 2003 distribution. EX-99.1

MASTR Alternative Loan Trust Mortgage Pass-Through Certificates Record Date: 1011/3130/03 Distribution Date: 1112/2526/03 MAL 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 576434BZ6 SEN 6.25000% ~~102~~97,~~682~~587,~~581~~706.9204 ~~534~~508,~~805~~269.1130 53,~~094~~309,~~875~~680.8867 U-R 576434CA0 SEN 6.25000% 0.00 0.00 0.00 2-A-1 576434CC6 SEN 6.50000% 5855,~~687~~097,~~931~~308.6270 ~~317~~298,~~892~~443.9676 32,~~590~~940,~~622~~608.9100 3-A-1 576434CF9 SEN 5.00000% 2827,~~066~~723,~~607~~881.1201 ~~116~~115,~~944~~516.2017 ~~342~~339,~~726~~317.1098 4-A-1 576434CG7 SEN 5.50000% 1413,~~352~~891,~~037~~841.2527 6563,~~780~~670.1794 ~~460~~483,~~195~~851.9976 5-A-1 576434CK8 SEN 6.00000% 1614,~~352~~254,~~686~~635.7661 8171,~~763~~273.4318 2796,~~098,051~~128.1567 PO-1 576434CE2 UKN 0.00000% ~~324~~301,~~117~~518.8204 0.00 ~~22,599~~348.7825 PO-2 576434CJ1 UKN 0.00000% 28,~~451~~323.9087 0.00 128.0328 A-X-1 576434CD4 IO 6.50000% 0.00 7369,~~522~~548.7697 0.00 A-X-2 576434CH5 IO 5.00000% 0.00 25,~~486~~058.7245 0.00 A-X-3 576434CL6 IO 6.00000% 0.00 1513,~~837~~128.9522 0.00 B-1 576434CN2 JUN 6.~~11422~~11469% 9,~~065~~053,~~597~~321.8664 46,~~190~~131.8690 12,~~276~~363.2212 B-2 576434CP7 JUN 6.~~11422~~11469% 4,~~208~~202,~~603~~904.9888 21,~~443~~416.6023 5,~~699~~739.1044 B-3 576434CQ5 JUN 6.~~11422~~11469% 2,~~589~~586,~~606~~099.0229 13,~~194~~177.5167 3,~~506~~531.7355 B-4 576434CR3 JUN 6.~~11422~~11469% 2,~~266~~263,~~399~~330.4641 11,~~547~~532.7197 3,~~069~~090.0578 B-5 576434CS1 JUN 6.~~11422~~11469% 1,~~133~~132,~~693~~158.9374 5,~~776~~769.3800 1,~~535~~546.2006 B-6 576434CT9 JUN 6.~~11422~~11469% 1,~~295~~293,~~310~~556.1208 6,~~599~~591.8441 1,~~754~~766.0446 Totals ~~241~~229,~~053~~416,~~625~~585.7658 1,~~336~~269,~~786~~528.2017 117,~~637~~898,~~040~~101.1802

Certificateholder Distribution Summary (continued) Current Ending Cumulative Realized Certificate Total Realized Class Loss Balance Distribution Losses 1-A-1 0.00 9794,~~587~~278,~~706~~025.0437 53,~~629~~817,~~680~~949.9997 0.00 U-R 0.00 0.00 0.00 0.00 2-A-1 0.00 5552,~~097~~156,~~308~~700.7071 3,~~908~~239,~~515~~051.8776 0.00 3-A-1 0.00 27,~~723~~384,~~881~~563.0103 ~~459~~454,~~670~~834.3015 0.00 4-A-1 0.00 13,~~891~~407,~~841~~989.2750 ~~525~~547,~~976~~522.1670 0.00 5-A-1 0.00 1413,~~254~~458,~~635~~506.6194 2867,~~179,814~~401.5885 0.00 PO-1 0.00 301,~~518~~169.0479 ~~22,599~~348.7825 0.00 PO-2 0.00 28,~~323~~195.8758 128.0328 0.00 A-X-1 0.00 0.00 7369,~~522~~548.7697 0.00 A-X-2 0.00 0.00 25,~~486~~058.7245 0.00 A-X-3 0.00 0.00 1513,~~837~~128.9522 0.00 B-1 0.00 9,~~053~~040,~~321~~958.6452 58,~~467~~495.0802 0.00 B-2 0.00 4,~~202~~197,~~904~~165.8844 27,~~142~~155.7067 0.00 B-3 0.00 2,~~586~~582,~~099~~567.2974 16,~~701~~709.2422 0.00 B-4 0.00 2,~~263~~260,~~330~~239.4163 14,~~616~~623.7675 0.00 B-5 0.00 1,~~132~~130,~~158~~612.7467 7,~~311~~315.5806 0.00 B-6 0.00 1,~~293~~291,~~556~~789.0862 8,~~353~~357.8887 0.00 Totals 0.00 ~~229~~221,~~416~~518,~~585~~484.5854 129,~~973~~167,~~826~~629.3819 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-1 136,225,000.00 ~~102~~97,~~682~~587,~~581~~706.9204 9289,~~689~~097.3292 53,~~002~~220,~~186~~582.5676 0.00 0.00 U-R 100.00 0.00 0.00 0.00 0.00 0.00 2-A-1 86,294,000.00 5855,~~687~~097,~~931~~308.6270 4643,~~495~~740.6511 32,~~544~~896,~~127~~867.2688 0.00 0.00 3-A-1 33,514,000.00 2827,~~066~~723,~~607~~881.1201 ~~109~~108,~~205~~926.4574 ~~233~~230,~~520~~391.6524 0.00 0.00 4-A-1 20,008,000.00 1413,~~352~~891,~~037~~841.2527 5251,~~377~~175.8056 ~~407~~432,~~818~~676.1921 0.00 0.00 5-A-1 30,334,000.00 1614,~~352~~254,~~686~~635.7661 1211,~~667~~235.0591 2784,~~085,384~~892.1076 0.00 0.00 PO-1 356,717.00 ~~324~~301,~~117~~518.8204 ~~314~~296.5408 ~~22,285~~52.2417 0.00 0.00 PO-2 31,053.00 28,~~451~~323.9087 ~~127~~128.7428 0.2900 0.00 0.00 A-X-1 0.00 0.00 0.00 0.00 0.00 0.00 A-X-2 0.00 0.00 0.00 0.00 0.00 0.00 A-X-3 0.00 0.00 0.00 0.00 0.00 0.00 B-1 9,172,000.00 9,~~065~~053,~~597~~321.8664 12,~~276~~363.2212 0.00 0.00 0.00 B-2 4,258,000.00 4,~~208~~202,~~603~~904.9888 5,~~699~~739.1044 0.00 0.00 0.00 B-3 2,620,000.00 2,~~589~~586,~~606~~099.0229 3,~~506~~531.7355 0.00 0.00 0.00 B-4 2,293,000.00 2,~~266~~263,~~399~~330.4641 3,~~069~~090.0578 0.00 0.00 0.00 B-5 1,147,000.00 1,~~133~~132,~~693~~158.9374 1,~~535~~546.2006 0.00 0.00 0.00 B-6 1,310,513.00 1,~~295~~293,~~310~~556.1208 1,~~754~~766.0446 0.00 0.00 0.00 Totals 327,563,383.00 ~~241~~229,~~053~~416,~~625~~585.7658 ~~341~~332,~~717~~638.8901 117,~~295~~565,~~322~~463.2902 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 53,~~094~~309,~~875~~680.8867 9794,~~587~~278,~~706~~025.0437 0.~~71637149~~69207580 53,~~094~~309,~~875~~680.8867 U-R 0.00 0.00 0.00000000 0.00 2-A-1 32,~~590~~940,~~622~~608.9100 5552,~~097~~156,~~308~~700.7071 0.~~63848366~~60440704 32,~~590~~940,~~622~~608.9100 3-A-1 ~~342~~339,~~726~~317.1098 27,~~723~~384,~~881~~563.0103 0.~~82723283~~81710816 ~~342~~339,~~726~~317.1098 4-A-1 ~~460~~483,~~195~~851.9976 13,~~891~~407,~~841~~989.2750 0.~~69431434~~67013142 ~~460~~483,~~195~~851.9976 5-A-1 2796,~~098,051~~128.1567 1413,~~254~~458,~~635~~506.6194 0.~~46992271~~44367729 2796,~~098,051~~128.1567 PO-1 ~~22,599~~348.7825 301,~~518~~169.0479 0.~~84525840~~84428213 ~~22,599~~348.7825 PO-2 128.0328 28,~~323~~195.8758 0.~~91211381~~90798248 128.0328 A-X-1 0.00 0.00 0.00000000 0.00 A-X-2 0.00 0.00 0.00000000 0.00 A-X-3 0.00 0.00 0.00000000 0.00 B-1 12,~~276~~363.2212 9,~~053~~040,~~321~~958.6452 0.~~98706080~~98571288 12,~~276~~363.2212 B-2 5,~~699~~739.1044 4,~~202~~197,~~904~~165.8844 0.~~98706080~~98571288 5,~~699~~739.1044 B-3 3,~~506~~531.7355 2,~~586~~582,~~099~~567.2974 0.~~98706080~~98571288 3,~~506~~531.7355 B-4 3,~~069~~090.0578 2,~~263~~260,~~330~~239.4163 0.~~98706080~~98571288 3,~~069~~090.0578 B-5 1,~~535~~546.2006 1,~~132~~130,~~158~~612.7467 0.~~98706080~~98571288 1,~~535~~546.2006 B-6 1,~~754~~766.0446 1,~~293~~291,~~556~~789.0862 0.~~98706085~~98571294 1,~~754~~766.0446 Totals 117,~~637~~898,~~040~~101.1802 ~~229~~221,~~416~~518,~~585~~484.5854 0.~~70037311~~67626144 117,~~637~~898,~~040~~101.1802

Principal Distribution Factors Statement Original Beginning Scheduled Unscheduled Face Certificate Principal Principal Class (2) Amount Balance Distribution Distribution Accretion 1-A-1 136,225,000.00 ~~753~~716.~~77193555~~37148864 0.~~68041343~~65404970 3623.~~72003347~~64164258 0.00000000 U-R 100.00 0.00000000 0.00000000 0.00000000 0.00000000 2-A-1 86,294,000.00 ~~680~~638.~~09284099~~48365703 0.~~53880513~~50687313 4133.~~07037871~~56974853 0.00000000 3-A-1 33,514,000.00 ~~837~~827.~~45918482~~23282837 3.~~25850242~~25018619 6.~~96785373~~87447753 0.00000000 4-A-1 20,008,000.00 ~~717~~694.~~31493653~~31433776 2.~~61784286~~55775490 2021.~~38275640~~62516044 0.00000000 5-A-1 30,334,000.00 ~~539~~469.~~08771543~~92271412 0.~~41758588~~37040647 6825.~~74741544~~87501681 0.00000000 PO-1 356,717.00 ~~908~~845.~~61332653~~25839811 0.~~88176341~~83001371 620.~~47316500~~14625039 0.00000000 PO-2 31,053.00 ~~916~~912.~~23675651~~11380543 4.~~11361221~~13100184 0.~~00933887~~00000000 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 A-X-3 0.00 0.00000000 0.00000000 0.00000000 0.00000000 B-1 9,172,000.00 ~~988~~987.~~39924335~~06079808 1.~~33844527~~34791976 0.00000000 0.00000000 B-2 4,258,000.00 ~~988~~987.~~39924378~~06079850 1.~~33844528~~34791921 0.00000000 0.00000000 B-3 2,620,000.00 ~~988~~987.~~39924427~~06079771 1.~~33844656~~34791985 0.00000000 0.00000000 B-4 2,293,000.00 ~~988~~987.~~39924117~~06079808 1.~~33844309~~34791976 0.00000000 0.00000000 B-5 1,147,000.00 ~~988~~987.~~39924150~~06080209 1.~~33844813~~34791630 0.00000000 0.00000000 B-6 1,310,513.00 ~~988~~987.~~39929096~~06085327 1.~~33843770~~34791490 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 3724.~~40044691~~29569220 ~~716~~692.~~37148864~~07579644 0.~~71637149~~69207580 3724.~~40044691~~29569220 U-R 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 2-A-1 0.00000000 4134.~~60918384~~07662178 ~~638~~604.~~48365703~~40703537 0.~~63848366~~60440704 4134.~~60918384~~07662178 3-A-1 0.00000000 10.~~22635615~~12466372 ~~827~~817.~~23282837~~10816465 0.~~82723283~~81710816 10.~~22635615~~12466372 4-A-1 0.00000000 2324.~~00059926~~18291483 ~~694~~670.~~31433776~~13142243 0.~~69431434~~67013142 2324.~~00059926~~18291483 5-A-1 0.00000000 6926.~~16500132~~24542329 ~~469~~443.~~92271412~~67729083 0.~~46992271~~44367729 6926.~~16500132~~24542329 PO-1 0.00000000 630.~~35492842~~97626410 ~~845~~844.~~25839811~~28213402 0.~~84525840~~84428213 630.~~35492842~~97626410 PO-2 0.00000000 4.~~12295108~~13100184 ~~912~~907.~~11380543~~98248156 0.~~91211381~~90798248 4.~~12295108~~13100184 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 A-X-3 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 B-1 0.00000000 1.~~33844527~~34791976 ~~987~~985.~~06079808~~71287833 0.~~98706080~~98571288 1.~~33844527~~34791976 B-2 0.00000000 1.~~33844528~~34791921 ~~987~~985.~~06079850~~71287929 0.~~98706080~~98571288 1.~~33844528~~34791921 B-3 0.00000000 1.~~33844656~~34791985 ~~987~~985.~~06079771~~71287786 0.~~98706080~~98571288 1.~~33844656~~34791985 B-4 0.00000000 1.~~33844309~~34791976 ~~987~~985.~~06079808~~71287833 0.~~98706080~~98571288 1.~~33844309~~34791976 B-5 0.00000000 1.~~33844813~~34791630 ~~987~~985.~~06080209~~71287707 0.~~98706080~~98571288 1.~~33844813~~34791630 B-6 0.00000000 1.~~33843770~~34791490 ~~987~~985.~~06085327~~71293837 0.~~98706085~~98571294 1.~~33843770~~34791490 (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-1 136,225,000.00 6.25000% ~~102~~97,~~682~~587,~~581~~706.9204 ~~534~~508,~~805~~269.1130 0.00 0.00 U-R 100.00 6.25000% 0.00 0.00 0.00 0.00 2-A-1 86,294,000.00 6.50000% 5855,~~687~~097,~~931~~308.6270 ~~317~~298,~~892~~443.9676 0.00 0.00 3-A-1 33,514,000.00 5.00000% 2827,~~066~~723,~~607~~881.1201 ~~116~~115,~~944~~516.2017 0.00 0.00 4-A-1 20,008,000.00 5.50000% 1413,~~352~~891,~~037~~841.2527 6563,~~780~~670.1794 0.00 0.00 5-A-1 30,334,000.00 6.00000% 1614,~~352~~254,~~686~~635.7661 8171,~~763~~273.4318 0.00 0.00 PO-1 356,717.00 0.00000% ~~324~~301,~~117~~518.8204 0.00 0.00 0.00 PO-2 31,053.00 0.00000% 28,~~451~~323.9087 0.00 0.00 0.00 A-X-1 0.00 6.50000% 1312,~~573~~839,~~432~~810.1756 7369,~~522~~548.7697 0.00 0.00 A-X-2 0.00 5.00000% 6,~~116~~014,~~812~~028.5520 25,~~486~~058.7245 0.00 0.00 A-X-3 0.00 6.00000% 32,~~167~~625,~~590~~643.9771 1513,~~837~~128.9522 0.00 0.00 B-1 9,172,000.00 6.~~11422~~11469% 9,~~065~~053,~~597~~321.8664 46,~~190~~131.8690 0.00 0.00 B-2 4,258,000.00 6.~~11422~~11469% 4,~~208~~202,~~603~~904.9888 21,~~443~~416.6023 0.00 0.00 B-3 2,620,000.00 6.~~11422~~11469% 2,~~589~~586,~~606~~099.0229 13,~~194~~177.5167 0.00 0.00 B-4 2,293,000.00 6.~~11422~~11469% 2,~~266~~263,~~399~~330.4641 11,~~547~~532.7197 0.00 0.00 B-5 1,147,000.00 6.~~11422~~11469% 1,~~133~~132,~~693~~158.9374 5,~~776~~769.3800 0.00 0.00 B-6 1,310,513.00 6.~~11422~~11469% 1,~~295~~293,~~310~~556.1208 6,~~599~~591.8441 0.00 0.00 Totals 327,563,383.00 1,~~336~~269,~~786~~528.2017 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 0.00 0.00 ~~534~~508,~~805~~269.1130 0.00 9794,~~587~~278,~~706~~025.0437 U-R 0.00 0.00 0.00 0.00 0.00 2-A-1 0.00 0.00 ~~317~~298,~~892~~443.9676 0.00 5552,~~097~~156,~~308~~700.7071 3-A-1 0.00 0.00 ~~116~~115,~~944~~516.2017 0.00 27,~~723~~384,~~881~~563.0103 4-A-1 0.00 0.00 6563,~~780~~670.1794 0.00 13,~~891~~407,~~841~~989.2750 5-A-1 0.00 0.00 8171,~~763~~273.4318 0.00 1413,~~254~~458,~~635~~506.6194 PO-1 0.00 0.00 0.00 0.00 301,~~518~~169.0479 PO-2 0.00 0.00 0.00 0.00 28,~~323~~195.8758 A-X-1 0.00 0.00 7369,~~522~~548.7697 0.00 12,~~839~~323,~~810~~988.5602 A-X-2 0.00 0.00 25,~~486~~058.7245 0.00 65,~~014~~875,~~028~~213.2046 A-X-3 0.00 0.00 1513,~~837~~128.9522 0.00 2,~~625~~458,~~643~~985.7133 B-1 0.00 0.00 46,~~190~~131.8690 0.00 9,~~053~~040,~~321~~958.6452 B-2 0.00 0.00 21,~~443~~416.6023 0.00 4,~~202~~197,~~904~~165.8844 B-3 0.00 0.00 13,~~194~~177.5167 0.00 2,~~586~~582,~~099~~567.2974 B-4 0.00 0.00 11,~~547~~532.7197 0.00 2,~~263~~260,~~330~~239.4163 B-5 0.00 0.00 5,~~776~~769.3800 0.00 1,~~132~~130,~~158~~612.7467 B-6 0.00 0.00 6,~~599~~591.8441 0.00 1,~~293~~291,~~556~~789.0862 Totals 0.00 0.00 1,~~336~~269,~~786~~528.2017 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-1 136,225,000.00 6.25000% ~~753~~716.~~77193555~~37148864 3.~~92589547~~73110149 0.00000000 0.00000000 U-R 100.00 6.25000% 0.00000000 0.00000000 0.00000000 0.00000000 2-A-1 86,294,000.00 6.50000% ~~680~~638.~~09284099~~48365703 3.~~68383619~~45845319 0.00000000 0.00000000 3-A-1 33,514,000.00 5.00000% ~~837~~827.~~45918482~~23282837 3.~~48941338~~44680343 0.00000000 0.00000000 4-A-1 20,008,000.00 5.50000% ~~717~~694.~~31493653~~31433776 3.~~28769342~~18227409 0.00000000 0.00000000 5-A-1 30,334,000.00 6.00000% ~~539~~469.~~08771543~~92271412 2.~~69543845~~34961363 0.00000000 0.00000000 PO-1 356,717.00 0.00000% ~~908~~845.~~61332653~~25839811 0.00000000 0.00000000 0.00000000 PO-2 31,053.00 0.00000% ~~916~~912.~~23675651~~11380543 0.00000000 0.00000000 0.00000000 A-X-1 0.00 6.50000% ~~704~~666.~~17338860~~11397897 3.~~81427265~~60811719 0.00000000 0.00000000 A-X-2 0.00 5.00000% ~~808~~794.~~09314163~~51428375 3.~~36705489~~31047607 0.00000000 0.00000000 A-X-3 0.00 6.00000% ~~535~~443.~~23954302~~66471327 2.~~67619690~~21832381 0.00000000 0.00000000 B-1 9,172,000.00 6.~~11422~~11469% ~~988~~987.~~39924335~~06079808 5.~~03607283~~02964457 0.00000000 0.00000000 B-2 4,258,000.00 6.~~11422~~11469% ~~988~~987.~~39924378~~06079850 5.~~03607327~~02964537 0.00000000 0.00000000 B-3 2,620,000.00 6.~~11422~~11469% ~~988~~987.~~39924427~~06079771 5.~~03607252~~02964504 0.00000000 0.00000000 B-4 2,293,000.00 6.~~11422~~11469% ~~988~~987.~~39924117~~06079808 5.~~03607065~~02964239 0.00000000 0.00000000 B-5 1,147,000.00 6.~~11422~~11469% ~~988~~987.~~39924150~~06080209 5.~~03607672~~02964255 0.00000000 0.00000000 B-6 1,310,513.00 6.~~11422~~11469% ~~988~~987.~~39929096~~06085327 5.~~03607366~~02964106 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 0.00000000 0.00000000 3.~~92589547~~73110149 0.00000000 ~~716~~692.~~37148864~~07579644 U-R 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 2-A-1 0.00000000 0.00000000 3.~~68383619~~45845319 0.00000000 ~~638~~604.~~48365703~~40703537 3-A-1 0.00000000 0.00000000 3.~~48941338~~44680343 0.00000000 ~~827~~817.~~23282837~~10816465 4-A-1 0.00000000 0.00000000 3.~~28769342~~18227409 0.00000000 ~~694~~670.~~31433776~~13142243 5-A-1 0.00000000 0.00000000 2.~~69543845~~34961363 0.00000000 ~~469~~443.~~92271412~~67729083 PO-1 0.00000000 0.00000000 0.00000000 0.00000000 ~~845~~844.~~25839811~~28213402 PO-2 0.00000000 0.00000000 0.00000000 0.00000000 ~~912~~907.~~11380543~~98248156 A-X-1 0.00000000 0.00000000 3.~~81427265~~60811719 0.00000000 ~~666~~639.~~11397897~~35372398 A-X-2 0.00000000 0.00000000 3.~~36705489~~31047607 0.00000000 ~~794~~776.~~51428375~~17544495 A-X-3 0.00000000 0.00000000 2.~~67619690~~21832381 0.00000000 ~~443~~415.~~66471327~~50383139 B-1 0.00000000 0.00000000 5.~~03607283~~02964457 0.00000000 ~~987~~985.~~06079808~~71287833 B-2 0.00000000 0.00000000 5.~~03607327~~02964537 0.00000000 ~~987~~985.~~06079850~~71287929 B-3 0.00000000 0.00000000 5.~~03607252~~02964504 0.00000000 ~~987~~985.~~06079771~~71287786 B-4 0.00000000 0.00000000 5.~~03607065~~02964239 0.00000000 ~~987~~985.~~06079808~~71287833 B-5 0.00000000 0.00000000 5.~~03607672~~02964255 0.00000000 ~~987~~985.~~06080209~~71287707 B-6 0.00000000 0.00000000 5.~~03607366~~02964106 0.00000000 ~~987~~985.~~06085327~~71293837 (6) Amount Does Not Include Excess Special Hazard, Bankruptcy,or Fraud Losses Unless Otherwise Disclosed. Please Refer to the Prospectus Supplement for a Full Description.

CERTIFICATEHOLDER ACCOUNT STATEMENT CERTIFICATE ACCOUNT Beginning Balance 0.00 Deposits Payments of Interest and Principal 139,~~010~~187,~~282~~392.6342 Liquidations, Insurance Proceeds, Reserve Funds 0.00 Proceeds from Repurchased Loans 0.00 Other Amounts (Servicer Advances) 5869,~~088~~190.2943 Realized Loss (Gains, Subsequent Expenses & Recoveries) 0.00 Prepayment Penalties 0.00 Total Deposits 139,~~068~~256,~~370~~582.9285 Withdrawals Reimbursement for Servicer Advances 0.00 Payment of Service Fee 9488,~~544~~953.5466 Payment of Interest and Principal 129,~~973~~167,~~826~~629.3819 Total Withdrawals (Pool Distribution Amount) 139,~~068~~256,~~370~~582.9285 Ending Balance 0.00

SERVICING FEES Gross Servicing Fee 5047,~~219~~795.4811 Lender PMI 4441,~~325~~158.0655 Supported Prepayment/Curtailment Interest Shortfall 0.00 Net Servicing Fee 9488,~~544~~953.5466

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 3436 0 0 0 3436 56,~~278~~557,~~665~~021.1331 0.00 0.00 0.00 56,~~278~~557,~~665~~021.1331 60 Days 46 0 0 0 46 ~~467~~725,~~596~~278.7163 0.00 0.00 0.00 ~~467~~725,~~596~~278.7163 90 Days 45 0 10 0 5 ~~654~~569,~~731~~848.2483 0.00 ~~188,833~~0.9300 0.00 ~~843~~569,~~565~~848.1783 120 Days 01 0 23 0 24 0308,318.0001 0.00 ~~348~~432,~~563~~924.5170 0.00 ~~348~~741,~~563~~242.5171 150 Days 0 0 2 0 2 0.00 0.00 ~~299~~348,~~586~~563.1251 0.00 ~~299~~348,~~586~~563.1251 180+ Days 0 0 4 2 36 5 0.00 0.00 ~~662~~962,~~664~~250.6072 ~~331~~250,~~808~~231.6991 ~~994~~1,~~473~~212,482.2963 Totals 4248 0 79 32 5259 68,~~400~~160,~~993~~466.0878 0.00 1,~~499~~743,~~648~~738.1693 ~~331~~250,~~808~~231.6991 810,~~232~~154,~~449~~437.9362 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 12.~~863014~~021336% 0.000000% 0.000000% 0.000000% 12.~~863014~~021336% 2.~~298047~~956075% 0.000000% 0.000000% 0.000000% 2.~~298047~~956075% 60 Days 0.~~219178~~336889% 0.000000% 0.000000% 0.000000% 0.~~219178~~336889% 0.~~203566~~326974% 0.000000% 0.000000% 0.000000% 0.~~203566~~326974% 90 Days 0.~~219178~~280741% 0.000000% 0.~~054795~~000000% 0.000000% 0.~~273973~~280741% 0.~~285035~~256903% 0.000000% 0.~~082208~~000000% 0.000000% 0.~~367243~~256903% 120 Days 0.~~000000~~056148% 0.000000% 0.~~109589~~168445% 0.000000% 0.~~109589~~224593% 0.~~000000~~138998% 0.000000% 0.~~151746~~195174% 0.000000% 0.~~151746~~334171% 150 Days 0.000000% 0.000000% 0.~~109589~~112296% 0.000000% 0.~~109589~~112296% 0.000000% 0.000000% 0.~~130424~~157141% 0.000000% 0.~~130424~~157141% 180+ Days 0.000000% 0.000000% 0.~~109589~~224593% 0.~~164384~~112296% 0.~~273973~~336889% 0.000000% 0.000000% 0.~~288489~~433808% 0.~~144452~~112811% 0.~~432940~~546619% Totals 2.~~301370~~695115% 0.000000% 0.~~383562~~505334% 0.~~164384~~112296% 23.~~849315~~312746% 23.~~786648~~678949% 0.000000% 0.~~652866~~786123% 0.~~144452~~112811% 34.~~583966~~577883%

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 1810 0 0 0 1810 1,~~478~~388,~~383~~596.6905 0.00 0.00 0.00 1,~~478~~388,~~383~~596.6905 60 Days 34 0 0 0 34 ~~308~~334,~~613~~035.9517 0.00 0.00 0.00 ~~308~~334,~~613~~035.9517 90 Days 13 0 0 0 13 59308,~~748~~613.5195 0.00 0.00 0.00 59308,~~748~~613.5195 120 Days 0 0 01 0 01 0.00 0.00 059,748.0051 0.00 059,748.0051 150 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 180 Days 0 0 1 0 1 0.00 0.00 49,377.69 0.00 49,377.69 Totals 2217 0 12 0 2319 12,~~846~~031,~~746~~245.1517 0.00 49109,~~377~~126.6920 0.00 12,~~896~~140,~~123~~371.8437 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 1.~~834862~~042753% 0.000000% 0.000000% 0.000000% 1.~~834862~~042753% 1.~~381942~~339499% 0.000000% 0.000000% 0.000000% 1.~~381942~~339499% 60 Days 0.~~305810~~417101% 0.000000% 0.000000% 0.000000% 0.~~305810~~417101% 0.~~288482~~322225% 0.000000% 0.000000% 0.000000% 0.~~288482~~322225% 90 Days 0.~~101937~~312826% 0.000000% 0.000000% 0.000000% 0.~~101937~~312826% 0.~~055851~~297702% 0.000000% 0.000000% 0.000000% 0.~~055851~~297702% 120 Days 0.000000% 0.000000% 0.~~000000~~104275% 0.000000% 0.~~000000~~104275% 0.000000% 0.000000% 0.~~000000~~057636% 0.000000% 0.~~000000~~057636% 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.~~101937~~104275% 0.000000% 0.~~101937~~104275% 0.000000% 0.000000% 0.~~046157~~047632% 0.000000% 0.~~046157~~047632% Totals 21.~~242610~~772680% 0.000000% 0.~~101937~~208551% 0.000000% 21.~~344546~~981230% 1.~~726274~~959425% 0.000000% 0.~~046157~~105268% 0.000000% 12.~~772431~~064693% 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 1021 0 0 0 1021 13,~~736~~179,~~286~~536.50 0.00 0.00 0.00 13,~~736~~179,~~286~~536.50 60 Days 10 0 0 0 10 ~~158,982~~0.7600 0.00 0.00 0.00 ~~158,982~~0.7600 90 Days 2 0 10 0 32 ~~410~~261,~~640~~234.4788 0.00 ~~188,833~~0.9300 0.00 ~~599~~261,~~474~~234.4088 120 Days 01 0 21 0 2 0308,318.0001 0.00 ~~348~~188,~~563~~833.5193 0.00 ~~348~~497,~~563~~151.5194 150 Days 0 0 2 0 2 0.00 0.00 ~~299~~348,~~586~~563.1251 0.00 ~~299~~348,~~586~~563.1251 180 Days 0 0 02 32 34 0.00 0.00 0299,586.0012 ~~331~~250,~~808~~231.6991 ~~331~~549,~~808~~818.6903 Totals 1324 0 5 32 2131 23,~~305~~749,~~909~~089.7339 0.00 836,983.56 ~~331~~250,~~808~~231.6991 34,~~474~~836,~~701~~304.9886 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 25.~~403846~~250000% 0.000000% 0.000000% 0.000000% 25.~~403846~~250000% 25.~~841040~~465574% 0.000000% 0.000000% 0.000000% 25.~~841040~~465574% 60 Days 0.~~240385~~000000% 0.000000% 0.000000% 0.000000% 0.~~240385~~000000% 0.~~260139~~000000% 0.000000% 0.000000% 0.000000% 0.~~260139~~000000% 90 Days 0.~~480769~~500000% 0.000000% 0.~~240385~~000000% 0.000000% 0.~~721154~~500000% 0.~~671920~~449059% 0.000000% 0.~~308984~~000000% 0.000000% 0.~~980904~~449059% 120 Days 0.~~000000~~250000% 0.000000% 0.~~480769~~250000% 0.000000% 0.~~480769~~500000% 0.~~000000~~529994% 0.000000% 0.~~570345~~324603% 0.000000% 0.~~570345~~854596% 150 Days 0.000000% 0.000000% 0.~~480769~~500000% 0.000000% 0.~~480769~~500000% 0.000000% 0.000000% 0.~~490205~~599175% 0.000000% 0.~~490205~~599175% 180 Days 0.000000% 0.000000% 0.~~000000~~500000% 0.~~721154~~500000% 01.~~721154~~000000% 0.000000% 0.000000% 0.~~000000~~514984% 0.~~542930~~430145% 0.~~542930~~945129% Totals 36.~~125000~~000000% 0.000000% 1.~~201923~~250000% 0.~~721154~~500000% 57.~~048077~~750000% 36.~~773100~~444626% 0.000000% 1.~~369534~~438762% 0.~~542930~~430145% 58.~~685564~~313532% 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 10 0 0 0 10 ~~27,168~~0.8700 0.00 0.00 0.00 ~~27,168~~0.8700 60 Days 01 0 0 0 01 027,168.0087 0.00 0.00 0.00 027,168.0087 90 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 120 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 150 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 180 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 Totals 1 0 0 0 1 27,168.87 0.00 0.00 0.00 27,168.87 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 0.~~333333~~000000% 0.000000% 0.000000% 0.000000% 0.~~333333~~000000% 0.~~090463~~000000% 0.000000% 0.000000% 0.000000% 0.~~090463~~000000% 60 Days 0.~~000000~~334448% 0.000000% 0.000000% 0.000000% 0.~~000000~~334448% 0.~~000000~~091518% 0.000000% 0.000000% 0.000000% 0.~~000000~~091518% 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.~~333333~~334448% 0.000000% 0.000000% 0.000000% 0.~~333333~~334448% 0.~~090463~~091518% 0.000000% 0.000000% 0.000000% 0.~~090463~~091518% DELINQUENT BANKRUPTCY FORECLOSURE REO Total Group 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 31 0 0 0 3 1 380,~~335,364~~042.4736 0.00 0.00 0.00 1380,~~335,364~~042.4736 60 Days 01 0 0 0 01 0364,074.0059 0.00 0.00 0.00 0364,074.0059 90 Days 10 0 0 0 10 ~~184,342~~0.2600 0.00 0.00 0.00 ~~184,342~~0.2600 120 Days 0 0 01 0 01 0.00 0.00 0184,342.0026 0.00 0184,342.0026 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 42 0 01 0 43 1744,~~519,706~~116.7395 0.00 0184,342.0026 0.00 1928,~~519,706~~459.7321 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 31.~~409091~~176471% 0.000000% 0.000000% 0.000000% 31.~~409091~~176471% 82.~~748371~~572488% 0.000000% 0.000000% 0.000000% 82.~~748371~~572488% 60 Days 01.~~000000~~176471% 0.000000% 0.000000% 0.000000% 01.~~000000~~176471% 02.~~000000~~464403% 0.000000% 0.000000% 0.000000% 02.~~000000~~464403% 90 Days 10.~~136364~~000000% 0.000000% 0.000000% 0.000000% 10.~~136364~~000000% 10.~~207681~~000000% 0.000000% 0.000000% 0.000000% 10.~~207681~~000000% 120 Days 0.000000% 0.000000% 01.~~000000~~176471% 0.000000% 01.~~000000~~176471% 0.000000% 0.000000% 01.~~000000~~247804% 0.000000% 01.~~000000~~247804% 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 42.~~545455~~352941% 0.000000% 01.~~000000~~176471% 0.000000% 43.~~545455~~529412% 95.~~956053~~036891% 0.000000% 01.~~000000~~247804% 0.000000% 96.~~956053~~284695% DELINQUENT BANKRUPTCY FORECLOSURE REO Total Group 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 24 0 0 0 24 ~~701~~1,~~461~~608,846.6040 0.00 0.00 0.00 ~~701~~1,~~461~~608,846.6040 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 1 0 1 0.00 0.00 613,286.91 0.00 613,286.91 Totals 24 0 1 0 35 ~~701~~1,~~461~~608,846.6040 0.00 613,286.91 0.00 12,~~314~~222,~~748~~133.5131 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 510.~~000000~~526316% 0.000000% 0.000000% 0.000000% 510.~~000000~~526316% 410.~~300318~~369161% 0.000000% 0.000000% 0.000000% 410.~~300318~~369161% 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% 2.~~500000~~631579% 0.000000% 2.~~500000~~631579% 0.000000% 0.000000% 3.~~759762~~952690% 0.000000% 3.~~759762~~952690% Totals 510.~~000000~~526316% 0.000000% 2.~~500000~~631579% 0.000000% 713.~~500000~~157895% 410.~~300318~~369161% 0.000000% 3.~~759762~~952690% 0.000000% 814.~~060080~~321851%

OTHER INFORMATION Current Period Class A Insufficient Funds 0.00 Principal Balance of Contaminated Properties 0.00 Periodic Advance 5869,~~088~~190.2943

CREDIT ENHANCEMENT Original $ Original % Current $ Current % Bankruptcy 150,000.00 0.04579266% 150,000.00 0.~~06538324~~06771444% Fraud 9,826,902.00 3.00000016% 9,826,902.00 4.~~28343135~~43615438% Special Hazard 3,275,634.00 1.00000005% 3,275,634.00 1.~~42781045~~47871813% Limit of Subordinate's Exposure to Certain Types of Losses

COLLATERAL STATEMENT Collateral Description Fixed 30 Year Weighted Average Gross Coupon 7.~~125373~~105756% Weighted Average Pass-Through Rate 6.~~654716~~640470% Weighted Average Maturity(Stepdown Calculation ) ~~314~~313 Beginning Scheduled Collateral Loan Count 1,~~892~~825 Number Of Loans Paid In Full 6744 Ending Scheduled Collateral Loan Count 1,~~825~~781 Beginning Scheduled Collateral Balance ~~241~~229,~~053~~416,~~626~~586.9072 Ending Scheduled Collateral Balance ~~229~~221,~~416~~518,~~586~~485.7268 Ending Actual Collateral Balance at 3130-~~Oct~~Nov-2003 ~~229~~221,~~702~~815,~~216~~138.2619 Monthly P &I Constant 1,~~773~~691,~~048~~119.7389 Special Servicing Fee 0.00 Prepayment Penalties 0.00 Realized Loss Amount 0.00 Cumulative Realized Loss 0.00 Class A Optimal Amount 129,~~818~~034,~~505~~496.3308 Class AP Deferred Amount 0.00 Ending Scheduled Balance for Premium Loans ~~229~~221,~~416~~518,~~586~~485.7268 Scheduled Principal ~~341~~332,~~717~~638.8902 Unscheduled Principal 117,~~295~~565,~~322~~463.2902

Miscellaneous Reporting Group 1 Senior Percentage 91.~~798151~~413835% Group 2 Senior Percentage 90.~~970987~~445687% Group 3 Senior Percentage 92.~~730124~~673376% Group 4 Senior Percentage 91.~~607223~~382072% Group 5 Senior Percentage 8887.~~885709~~463580% Group 1 Senior Prepayment Percentage 100.000000% Group 2 Senior Prepayment Percentage 100.000000% Group 3 Senior Prepayment Percentage 100.000000% Group 4 Senior Prepayment Percentage 100.000000% Group 5 Senior Prepayment Percentage 100.000000% Group 1 Junior Percentage 8.~~201849~~586165% Group 2 Junior Percentage 9.~~029013~~554313% Group 3 Junior Percentage 7.~~269876~~326624% Group 4 Junior Percentage 8.~~392777~~617928% Group 5 Junior Percentage 1112.~~114291~~536420%

Group Level Collateral Statement Group Group 1 Group 2 Group 3 Collateral Description Fixed 30 Year Fixed 30 Year Fixed 30 Year Weighted Average Coupon Rate 7.~~099291~~087270 7.~~717683~~720288 5.~~889971~~891979 Weighted Average Net Rate 6.~~849291~~837270 7.~~467685~~470289 5.~~639970~~641979 Weighted Average Maturity ~~347~~346 ~~347~~346 ~~168~~167 Beginning Loan Count ~~1,016~~981 ~~437~~416 ~~301~~300 Loans Paid In Full 3522 2116 1 Ending Loan Count ~~981~~959 ~~416~~400 ~~300~~299 Beginning Scheduled Balance ~~112~~106,~~003~~899,~~255~~907.5941 6461,~~690~~072,~~581~~934.6299 3029,~~284~~933,~~386~~014.1008 Ending scheduled Balance ~~106~~103,~~899~~581,~~907~~661.4100 6158,~~072~~127,~~934~~555.9932 29,~~933~~584,~~014~~999.0876 Record Date 1011/3130/2003 1011/3130/2003 1011/3130/2003 Principal And Interest Constant ~~763~~728,~~742~~977.9106 ~~467~~441,~~323~~420.7755 ~~266~~264,~~496~~593.4966 Scheduled Principal ~~101~~97,~~123~~619.1694 5148,~~272~~503.5933 117,~~851~~623.3708 Unscheduled Principal 53,~~002~~220,~~225~~626.0247 32,~~566~~896,~~374~~876.0434 ~~233~~230,~~520~~391.6524 Scheduled Interest ~~662~~631,~~619~~357.7512 ~~416~~392,~~051~~917.1822 ~~148~~146,~~645~~970.1258 Servicing Fees 2322,~~334~~270.0484 1312,~~477~~723.1151 6,~~309~~236.2606 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 109,~~723~~725.4014 2524,~~581~~026.0557 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 ~~628~~599,~~562~~361.3114 ~~376~~356,~~993~~167.0214 ~~142~~140,~~335~~734.8652 Realized Loss Amount 0.00 0.00 0.00 Cumulative Realized Loss 0.00 0.00 0.00 Percentage of Cumulative Losses 0.0000 0.0000 0.0000 Prepayment Penalties 0.00 0.00 0.00 Special Servicing Fee 0.00 0.00 0.00 Pass-Through Rate 6.~~734400~~728101 6.~~993160~~998200 5.~~639971~~641979

Group Level Collateral Statement Group Group 4 Group 5 Total Collateral Description Fixed 30 Year Fixed 30 Year Fixed 30 Year Weighted Average Coupon Rate 6.~~530541~~527448 7.~~741956~~693230 7.~~125373~~105756 Weighted Average Net Rate 6.~~280541~~277450 7.~~491954~~443231 6.~~654716~~855756 Weighted Average Maturity ~~168~~167 ~~347~~346 ~~314~~313 Beginning Loan Count 9388 4540 1,~~892~~825 Loans Paid In Full 53 52 6744 Ending Loan Count 8885 4038 1,~~825~~781 Beginning Scheduled Balance 15,~~677~~212,~~972~~934.9059 1816,~~397~~297,~~430~~795.6965 ~~241~~229,~~053~~416,~~626~~586.9072 Ending scheduled Balance 1514,~~212~~724,~~934~~213.5910 1615,~~297~~500,~~795~~056.6550 ~~229~~221,~~416~~518,~~586~~485.7268 Record Date 1011/3130/2003 1011/3130/2003 1011/3130/2003 Principal And Interest Constant ~~142~~138,~~541~~796.2065 ~~132~~117,~~944~~331.3697 1,~~773~~691,~~048~~119.7389 Scheduled Principal 5756,~~219~~045.8328 1412,~~250~~846.9439 ~~341~~332,~~717~~638.8902 Unscheduled Principal ~~407~~432,~~818~~676.4821 2784,~~085,384~~892.1076 117,~~295~~565,~~322~~463.2902 Scheduled Interest 8582,~~321~~751.37 ~~118~~104,~~693~~485.4258 1,~~431~~358,~~330~~481.8487 Servicing Fees 3,~~266~~169.2434 3,~~832~~395.8336 5047,~~219~~795.4811 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 ~~985~~933.1183 76,~~035~~473.5001 4441,~~325~~158.0655 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 8178,~~070~~648.0220 ~~107~~94,~~825~~617.0921 1,~~336~~269,~~786~~528.3021 Realized Loss Amount 0.00 0.00 0.00 Cumulative Realized Loss 0.00 0.00 0.00 Percentage of Cumulative Losses 0.0000 0.0000 0.0000 Prepayment Penalties 0.00 0.00 0.00 Special Servicing Fee 0.00 0.00 0.00 Pass-Through Rate 6.~~205140~~203789 76.~~033053~~966625 6.~~654716~~640470

Filing Compare · MORTGAGE ASSET SECURIT TRANS INC MORT PS THR CERT SER 2003-1