8-K 1 sai03b10.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 STRUCTURED ASSET INVESTMENT LOAN TRUST Mortgage Pass-Through Certificates, Series 2003-B10 Trust (Exact name of registrant as specified in its charter) New York (governing law of 333-106925-06 54-2126402 Pooling and Servicing Agreement) (Commission 54-2126403 (State or other File Number) 54-2126404 jurisdiction 54-2126405 of Incorporation) IRS EIN 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 STRUCTURED ASSET INVESTMENT LOAN TRUST, Mortgage Pass-Through Certificates, Series 2003-B10 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-B10 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. STRUCTURED ASSET INVESTMENT LOAN TRUST Mortgage Pass-Through Certificates, Series 2003-B10 Trust By: Wells Fargo Bank Minnesota, N.A. as Securities Administrator By: /s/ Beth Belfield as Assistant Vice President By: Beth Belfield as Assistant Vice President Date: 1/7/04 INDEX TO EXHIBITS Exhibit Number Description EX-99.1 Monthly report distributed to holders of Mortgage Pass-Through Certificates, Series 2003-B10 Trust, relating to the December 26, 2003 distribution. EX-99.1

Structured Asset Investment Loan Trust Mortgage Pass-Through Certificates Record Date: 911/30/03 Distribution Date: 1012/2726/03 SAIL Series: 2003-B10 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 1A1 86359AZ71 SEN 1.~~26000~~25875% ~~356~~343,~~137~~560,~~000~~661.0069 ~~398~~372,~~873~~393.4451 58,~~199~~735,~~179~~270.8454 1A2 86359AZ89 SEN 2.33300% 256,971,000.00 499,594.45 0.00 2A 86359AZ97 SEN 2.17000% ~~396~~385,~~258~~814,~~000~~835.0060 ~~716~~697,~~566~~681.5583 57,~~005~~528,~~165~~027.3477 3A1 86359A2A0 SEN 1.~~27000~~26875% ~~135~~126,~~561~~315,~~000~~631.0094 ~~153~~138,~~033~~004.3121 37,~~712~~931,~~371~~276.2065 3A2 86359A2B8 SEN 2.35000% 50,000,000.00 97,916.67 0.00 3A3 86359A2C6 SEN 2.26000% 50,000,000.00 94,166.67 0.00 3A4 86359A2D4 SEN 1.~~32000~~31875% 9691,~~171~~260,~~000~~056.0085 ~~112~~103,~~840~~634.6403 14,~~971~~212,~~932~~925.7370 3A5 86359A2E2 SEN 1.~~60000~~59875% 28,954,000.00 4139,~~179~~861.0201 0.00 AIO 86359A2F9 IO 6.00000% 0.00 1,439,635.00 0.00 A4 86359A2G7 SEN 1.~~62000~~61875% 49,587,000.00 7169,~~405~~120.2849 0.00 M1 86359A2H5 MEZ 1.~~87000~~86875% 87,978,000.00 ~~146~~141,~~238~~574.9932 0.00 M2 86359A2J1 MEZ 2.~~97000~~96875% 39,990,000.00 ~~105~~102,~~573~~231.6038 0.00 M3 86359A2K8 MEZ 3.~~32000~~31875% 15,996,000.00 4745,~~205~~713.9757 0.00 M4 86359A2L6 MEZ 4.~~12000~~11875% 15,996,000.00 5856,~~580~~733.9104 0.00 M5 86359A2M4 MEZ 4.~~12000~~11875% 11,997,000.00 4342,~~935~~549.6878 0.00 B 86359A2N2 SEN 4.~~12000~~11875% 7,997,000.00 2928,~~286~~362.7997 0.00 X SAI03BC9X SEN 0.00000% ~~411~~9,240,063.5081 901,~~278~~837,352.8363 0.00 P SAI03BC9P SEN 0.00000% 100.00 ~~111~~355,~~341~~263.4555 0.00 R SEN 0.00000% 0.00 0.00 0.00 Totals 1,~~599~~571,~~593~~657,~~511~~349.5089 46,~~257~~161,~~653~~789.2511 1528,~~888~~407,~~649~~500.1166

Certificateholder Distribution Summary (continued) Current Ending Cumulative Realized Certificate Total Realized Class Loss Balance Distribution Losses 1A1 0.00 ~~350~~334,~~937~~825,~~820~~391.1615 59,~~598~~107,~~053~~664.2805 0.00 1A2 0.00 256,971,000.00 499,594.45 0.00 2A 0.00 ~~391~~378,~~252~~286,~~834~~807.6683 58,~~721~~225,~~731~~709.8960 0.00 3A1 0.00 ~~131~~118,~~848~~384,~~628~~355.8029 38,~~865~~069,~~404~~280.5186 0.00 3A2 0.00 50,000,000.00 97,916.67 0.00 3A3 0.00 50,000,000.00 94,166.67 0.00 3A4 0.00 9487,~~199~~047,~~067~~131.2715 24,~~084~~316,~~773~~559.3773 0.00 3A5 0.00 28,954,000.00 4139,~~179~~861.0201 0.00 AIO 0.00 0.00 1,439,635.00 0.00 A4 0.00 49,587,000.00 7169,~~405~~120.2849 0.00 M1 0.00 87,978,000.00 ~~146~~141,~~238~~574.9932 0.00 M2 0.00 39,990,000.00 ~~105~~102,~~573~~231.6038 0.00 M3 0.00 15,996,000.00 4745,~~205~~713.9757 0.00 M4 0.00 15,996,000.00 5856,~~580~~733.9104 0.00 M5 0.00 11,997,000.00 4342,~~935~~549.6878 0.00 B 0.00 7,997,000.00 2928,~~286~~362.7997 0.00 X 0.00 411,~~585~~996,~~571~~851.1234 901,~~278~~837,352.8363 0.00 P 0.00 100.00 ~~111~~355,~~341~~263.4555 0.00 R 0.00 0.00 0.00 0.00 Totals 0.00 1,~~588~~546,~~290~~006,~~022~~636.0176 2034,~~146~~569,~~302~~289.3677 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) 1A1 356,137,000.00 ~~356~~343,~~137~~560,~~000~~661.0069 0.00 58,~~199~~735,~~179~~270.8454 0.00 0.00 1A2 256,971,000.00 256,971,000.00 0.00 0.00 0.00 0.00 2A 396,258,000.00 ~~396~~385,~~258~~814,~~000~~835.0060 0.00 57,~~005~~528,~~165~~027.3477 0.00 0.00 3A1 135,561,000.00 ~~135~~126,~~561~~315,~~000~~631.0094 0.00 37,~~712~~931,~~371~~276.2065 0.00 0.00 3A2 50,000,000.00 50,000,000.00 0.00 0.00 0.00 0.00 3A3 50,000,000.00 50,000,000.00 0.00 0.00 0.00 0.00 3A4 96,171,000.00 9691,~~171~~260,~~000~~056.0085 0.00 14,~~971~~212,~~932~~925.7370 0.00 0.00 3A5 28,954,000.00 28,954,000.00 0.00 0.00 0.00 0.00 AIO 0.00 0.00 0.00 0.00 0.00 0.00 A4 49,587,000.00 49,587,000.00 0.00 0.00 0.00 0.00 M1 87,978,000.00 87,978,000.00 0.00 0.00 0.00 0.00 M2 39,990,000.00 39,990,000.00 0.00 0.00 0.00 0.00 M3 15,996,000.00 15,996,000.00 0.00 0.00 0.00 0.00 M4 15,996,000.00 15,996,000.00 0.00 0.00 0.00 0.00 M5 11,997,000.00 11,997,000.00 0.00 0.00 0.00 0.00 B 7,997,000.00 7,997,000.00 0.00 0.00 0.00 0.00 X 411.50 ~~411~~9,240,063.5081 0.00 0.00 0.00 0.00 P 100.00 100.00 0.00 0.00 0.00 0.00 R 0.00 0.00 0.00 0.00 0.00 0.00 Totals 1,599,593,511.50 1,~~599~~571,~~593~~657,~~511~~349.5089 0.00 1528,~~888~~407,~~649~~500.1166 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 1A1 58,~~199~~735,~~179~~270.8454 ~~350~~334,~~937~~825,~~820~~391.1615 0.~~98540118~~94015896 58,~~199~~735,~~179~~270.8454 1A2 0.00 256,971,000.00 1.00000000 0.00 2A 57,~~005~~528,~~165~~027.3477 ~~391~~378,~~252~~286,~~834~~807.6683 0.~~98736892~~95464775 57,~~005~~528,~~165~~027.3477 3A1 37,~~712~~931,~~371~~276.2065 ~~131~~118,~~848~~384,~~628~~355.8029 0.~~97261475~~87329214 37,~~712~~931,~~371~~276.2065 3A2 0.00 50,000,000.00 1.00000000 0.00 3A3 0.00 50,000,000.00 1.00000000 0.00 3A4 14,~~971~~212,~~932~~925.7370 9487,~~199~~047,~~067~~131.2715 0.~~97949556~~90512869 14,~~971~~212,~~932~~925.7370 3A5 0.00 28,954,000.00 1.00000000 0.00 AIO 0.00 0.00 0.00000000 0.00 A4 0.00 49,587,000.00 1.00000000 0.00 M1 0.00 87,978,000.00 1.00000000 0.00 M2 0.00 39,990,000.00 1.00000000 0.00 M3 0.00 15,996,000.00 1.00000000 0.00 M4 0.00 15,996,000.00 1.00000000 0.00 M5 0.00 11,997,000.00 1.00000000 0.00 B 0.00 7,997,000.00 1.00000000 0.00 X 0.00 411,~~585~~996,~~571~~851.1234 1129,~~143~~153.~~55071689~~95222357 0.00 P 0.00 100.00 1.00000000 0.00 R 0.00 0.00 0.00000000 0.00 Totals 1528,~~888~~407,~~649~~500.1166 1,~~588~~546,~~290~~006,~~022~~636.0176 0.~~99293352~~96649969 1528,~~888~~407,~~649~~500.1166

Principal Distribution Factors Statement Original Beginning Scheduled Unscheduled Face Certificate Principal Principal Class (2) Amount Balance Distribution Distribution Accretion 1A1 356,137,000.00 ~~1000~~964.~~00000000~~68679663 0.00000000 1424.~~59881967~~52783771 0.00000000 1A2 256,971,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 2A 396,258,000.00 ~~1000~~973.~~00000000~~64554306 0.00000000 1218.~~63107708~~99779379 0.00000000 3A1 135,561,000.00 ~~1000~~931.~~00000000~~79920434 0.00000000 2758.~~38524502~~50706804 0.00000000 3A2 50,000,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 3A3 50,000,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 3A4 96,171,000.00 ~~1000~~948.~~00000000~~93530118 0.00000000 2043.~~50444240~~80661218 0.00000000 3A5 28,954,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 AIO 0.00 0.00000000 0.00000000 0.00000000 0.00000000 A4 49,587,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 M1 87,978,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 M2 39,990,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 M3 15,996,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 M4 15,996,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 M5 11,997,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 B 7,997,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 X 411.50 ~~1000~~22454590.~~00000000~~06075340 0.00000000 0.00000000 0.00000000 P 100.00 1000.00000000 0.00000000 0.00000000 0.00000000 R 0.00 0.00000000 0.00000000 0.00000000 0.00000000 (2) All classes are per 1,000 denomination.

Principal Distribution Factors Statement (continued) Total Ending Ending Total Realized Principal Certificate Certificate Principal Class Loss (3) Reduction Balance Percentage Distribution 1A1 0.00000000 1424.~~59881967~~52783771 ~~985~~940.~~40118033~~15895891 0.~~98540118~~94015896 1424.~~59881967~~52783771 1A2 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 2A 0.00000000 1218.~~63107708~~99779379 ~~987~~954.~~36892292~~64774927 0.~~98736892~~95464775 1218.~~63107708~~99779379 3A1 0.00000000 2758.~~38524502~~50706804 ~~972~~873.~~61475498~~29213631 0.~~97261475~~87329214 2758.~~38524502~~50706804 3A2 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 3A3 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 3A4 0.00000000 2043.~~50444240~~80661218 ~~979~~905.~~49555760~~12868900 0.~~97949556~~90512869 2043.~~50444240~~80661218 3A5 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 AIO 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 A4 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 M1 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 M2 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 M3 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 M4 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 M5 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 B 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 X 0.00000000 0.~~0000000011~~0000000029,~~143~~153,~~550~~952.~~71688940~~22357230 ~~11143~~29153.~~55071689~~95222357 0.00000000 P 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 R 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 (3) Amount Does Not Include Excess Special Hazard, Bankruptcy, or Fraud Losses Unless Otherwise Disclosed. Please Refer to the Prospectus Supplement for a Full Description.

Interest Distribution Statement Beginning Payment of Original Current Certificate/ Current Unpaid Current Face Certificate Notional Accrued Interest Interest Class Amount Rate Balance Interest Shortfall Shortfall 1A1 356,137,000.00 1.~~26000~~25875% ~~356~~343,~~137~~560,~~000~~661.0069 ~~398~~372,~~873~~393.4451 0.00 0.00 1A2 256,971,000.00 2.33300% 256,971,000.00 499,594.45 0.00 0.00 2A 396,258,000.00 2.17000% ~~396~~385,~~258~~814,~~000~~835.0060 ~~716~~697,~~566~~681.5583 0.00 0.00 3A1 135,561,000.00 1.~~27000~~26875% ~~135~~126,~~561~~315,~~000~~631.0094 ~~153~~138,~~033~~004.3121 0.00 0.00 3A2 50,000,000.00 2.35000% 50,000,000.00 97,916.67 0.00 0.00 3A3 50,000,000.00 2.26000% 50,000,000.00 94,166.67 0.00 0.00 3A4 96,171,000.00 1.~~32000~~31875% 9691,~~171~~260,~~000~~056.0085 ~~112~~103,~~840~~634.6403 0.00 0.00 3A5 28,954,000.00 1.~~60000~~59875% 28,954,000.00 4139,~~179~~861.0201 0.00 0.00 AIO 0.00 6.00000% 287,927,000.00 1,439,635.00 0.00 0.00 A4 49,587,000.00 1.~~62000~~61875% 49,587,000.00 7169,~~405~~120.2849 0.00 0.00 M1 87,978,000.00 1.~~87000~~86875% 87,978,000.00 ~~146~~141,~~238~~574.9932 0.00 0.00 M2 39,990,000.00 2.~~97000~~96875% 39,990,000.00 ~~105~~102,~~573~~231.6038 0.00 0.00 M3 15,996,000.00 3.~~32000~~31875% 15,996,000.00 4745,~~205~~713.9757 0.00 0.00 M4 15,996,000.00 4.~~12000~~11875% 15,996,000.00 5856,~~580~~733.9104 0.00 0.00 M5 11,997,000.00 4.~~12000~~11875% 11,997,000.00 4342,~~935~~549.6878 0.00 0.00 B 7,997,000.00 4.~~12000~~11875% 7,997,000.00 2928,~~286~~362.7997 0.00 0.00 X 411.50 0.00000% ~~411~~9,240,063.5081 0.00 0.00 0.00 P 100.00 0.00000% 100.00 0.00 0.00 0.00 R 0.00 0.00000% 0.00 0.00 0.00 0.00 Totals 1,599,593,511.50 43,~~056~~969,~~032~~172.9793 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 1A1 0.00 0.00 ~~398~~372,~~873~~393.4451 0.00 ~~350~~334,~~937~~825,~~820~~391.1615 1A2 0.00 0.00 499,594.45 0.00 256,971,000.00 2A 0.00 0.00 ~~716~~697,~~566~~681.5583 0.00 ~~391~~378,~~252~~286,~~834~~807.6683 3A1 0.00 0.00 ~~153~~138,~~033~~004.3121 0.00 ~~131~~118,~~848~~384,~~628~~355.8029 3A2 0.00 0.00 97,916.67 0.00 50,000,000.00 3A3 0.00 0.00 94,166.67 0.00 50,000,000.00 3A4 0.00 0.00 ~~112~~103,~~840~~634.6403 0.00 9487,~~199~~047,~~067~~131.2715 3A5 0.00 0.00 4139,~~179~~861.0201 0.00 28,954,000.00 AIO 0.00 0.00 1,439,635.00 0.00 287,927,000.00 A4 0.00 0.00 7169,~~405~~120.2849 0.00 49,587,000.00 M1 0.00 0.00 ~~146~~141,~~238~~574.9932 0.00 87,978,000.00 M2 0.00 0.00 ~~105~~102,~~573~~231.6038 0.00 39,990,000.00 M3 0.00 0.00 4745,~~205~~713.9757 0.00 15,996,000.00 M4 0.00 0.00 5856,~~580~~733.9104 0.00 15,996,000.00 M5 0.00 0.00 4342,~~935~~549.6878 0.00 11,997,000.00 B 0.00 0.00 2928,~~286~~362.7997 0.00 7,997,000.00 X 0.00 0.00 901,~~278~~837,352.8363 0.00 411,~~585~~996,~~571~~851.1234 P 0.00 0.00 ~~111~~355,~~341~~263.4555 0.00 100.00 R 0.00 0.00 0.00 0.00 0.00 Totals 0.00 0.00 46,~~257~~161,~~653~~789.2511 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 1A1 356,137,000.00 1.~~26000~~25875% ~~1000~~964.~~00000000~~68679663 1.~~12000000~~04564679 0.00000000 0.00000000 1A2 256,971,000.00 2.33300% 1000.00000000 1.94416666 0.00000000 0.00000000 2A 396,258,000.00 2.17000% ~~1000~~973.~~00000000~~64554306 1.~~80833333~~76067570 0.00000000 0.00000000 3A1 135,561,000.00 1.~~27000~~26875% ~~1000~~931.~~00000000~~79920434 1.~~12888891~~01802296 0.00000000 0.00000000 3A2 50,000,000.00 2.35000% 1000.00000000 1.95833340 0.00000000 0.00000000 3A3 50,000,000.00 2.26000% 1000.00000000 1.88333340 0.00000000 0.00000000 3A4 96,171,000.00 1.~~32000~~31875% ~~1000~~948.~~00000000~~93530118 1.~~17333333~~07760167 0.00000000 0.00000000 3A5 28,954,000.00 1.~~60000~~59875% 1000.00000000 1.~~42222215~~37670132 0.00000000 0.00000000 AIO 0.00 6.00000% 1000.00000000 5.00000000 0.00000000 0.00000000 A4 49,587,000.00 1.~~62000~~61875% 1000.00000000 1.~~44000000~~39392361 0.00000000 0.00000000 M1 87,978,000.00 1.~~87000~~86875% 1000.00000000 1.~~66222226~~60920139 0.00000000 0.00000000 M2 39,990,000.00 2.~~97000~~96875% 1000.00000000 2.~~64000000~~55642361 0.00000000 0.00000000 M3 15,996,000.00 3.~~32000~~31875% 1000.00000000 2.~~95111090~~85781258 0.00000000 0.00000000 M4 15,996,000.00 4.~~12000~~11875% 1000.00000000 3.~~66222243~~54670168 0.00000000 0.00000000 M5 11,997,000.00 4.~~12000~~11875% 1000.00000000 3.~~66222222~~54670168 0.00000000 0.00000000 B 7,997,000.00 4.~~12000~~11875% 1000.00000000 3.~~66222208~~54670126 0.00000000 0.00000000 X 411.50 0.00000% ~~1000~~22454590.~~00000000~~06075340 0.00000000 0.00000000 0.00000000 P 100.00 0.00000% 1000.00000000 0.00000000 0.00000000 0.00000000 R 0.00 0.00000% 0.00000000 0.00000000 0.00000000 0.00000000 (5) All classes are per $1,000 denomination.

Interest Distribution Factors Statement (continued) Remaining Ending Non-Supported Total Unpaid Certificate/ Interest Realized Interest Interest Notional Class Shortfall Losses (6) Distribution Shortfall Balance 1A1 0.00000000 0.00000000 1.~~12000000~~04564679 0.00000000 ~~985~~940.~~40118033~~15895891 1A2 0.00000000 0.00000000 1.94416666 0.00000000 1000.00000000 2A 0.00000000 0.00000000 1.~~80833333~~76067570 0.00000000 ~~987~~954.~~36892292~~64774927 3A1 0.00000000 0.00000000 1.~~12888891~~01802296 0.00000000 ~~972~~873.~~61475498~~29213631 3A2 0.00000000 0.00000000 1.95833340 0.00000000 1000.00000000 3A3 0.00000000 0.00000000 1.88333340 0.00000000 1000.00000000 3A4 0.00000000 0.00000000 1.~~17333333~~07760167 0.00000000 ~~979~~905.~~49555760~~12868900 3A5 0.00000000 0.00000000 1.~~42222215~~37670132 0.00000000 1000.00000000 AIO 0.00000000 0.00000000 5.00000000 0.00000000 1000.00000000 A4 0.00000000 0.00000000 1.~~44000000~~39392361 0.00000000 1000.00000000 M1 0.00000000 0.00000000 1.~~66222226~~60920139 0.00000000 1000.00000000 M2 0.00000000 0.00000000 2.~~64000000~~55642361 0.00000000 1000.00000000 M3 0.00000000 0.00000000 2.~~95111090~~85781258 0.00000000 1000.00000000 M4 0.00000000 0.00000000 3.~~66222243~~54670168 0.00000000 1000.00000000 M5 0.00000000 0.00000000 3.~~66222222~~54670168 0.00000000 1000.00000000 B 0.00000000 0.00000000 3.~~66222208~~54670126 0.00000000 1000.00000000 X 0.00000000 0.00000000 ~~219389~~4465012.~~62332928~~46658566 0.00000000 ~~11143550~~29153952.~~71688940~~22357230 P 0.00000000 0.00000000 ~~1113414~~3552635.50000000 0.00000000 1000.00000000 R 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 (6) Amount Does Not Include Excess Special Hazard, Bankruptcy,or Fraud Losses Unless Otherwise Disclosed. Please Refer to the Prospectus Supplement for a Full Description.

CERTIFICATEHOLDER ACCOUNT STATEMENT CERTIFICATE ACCOUNT Beginning Balance 0.00 Deposits Payments of Interest and Principal 2136,~~540~~025,~~275~~500.3006 Liquidations, Insurance Proceeds, Reserve Funds 0.00 Proceeds from Repurchased Loans 0.00 Other Amounts (Servicer Advances) 0.00 Realized Loss (Gains, Subsequent Expenses & Recoveries) 0.00 Prepayment Penalties 0.00 Total Deposits 2136,~~540~~025,~~275~~500.3006 Withdrawals Reimbursement for Servicer Advances 0.00 Payment of Service Fee 1,~~484~~456,~~251~~210.7729 Payment of Interest and Principal 2034,~~056~~569,~~023~~289.5377 Total Withdrawals (Pool Distribution Amount) 2136,~~540~~025,~~275~~500.3006 Ending Balance 0.00

SERVICING FEES Gross Servicing Fee ~~577~~566,~~264~~128.7447 Credit Risk Manager's Fee 19,~~994~~645.9272 MBIA Insurance Fee 3,750.00 PMI Insurance Premium Fee ~~881~~865,~~575~~048.8490 Wells Fargo Bank Minnesota, N.A. 1,~~666~~637.2720 Supported Prepayment/Curtailment Interest Shortfall 0.00 Net Servicing Fee 1,~~484~~456,~~251~~210.7729

OTHER ACCOUNTS Beginning Current Current Ending Account Type Balance Withdrawals Deposits Balance Reserve Fund 1,000.00 9084,~~278~~520.8300 9084,~~278~~520.8300 1,000.00 Financial Guaranty 0.00 084,520.00 0.00 0.00 Financial Guaranty 0.00 0.00 0.00 0.00

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 28 0 0 28 ~~199~~1,~~779~~488,979.4331 0.00 0.00 ~~199~~1,~~779~~488,979.4331 30 Days 53134 04 033 0 53171 823,~~597~~373,~~826~~737.9580 0515,089.0069 05,905,513.0010 0.00 829,~~597~~794,~~826~~340.9559 60 Days 1534 0 06 0 1540 26,~~089~~088,~~409~~427.8975 0.00 0694,890.0066 0.00 26,~~089~~783,~~409~~318.8941 90 Days 012 01 012 0 025 01,787,181.0027 064,767.0050 02,357,419.0026 0.00 04,209,368.0003 120 Days 07 0 03 01 011 0984,500.00 0.00 0443,431.0006 0219,600.00 01,647,531.0006 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 68187 213 054 01 70255 1032,~~687~~233,~~236~~846.8482 ~~199~~2,~~779~~068,836.4350 09,401,254.0008 0219,600.00 1043,~~887~~923,~~016~~537.2740 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.~~020612~~084273% 0.000000% 0.000000% 0.~~020612~~084273% 0.~~012570~~096242% 0.000000% 0.000000% 0.~~012570~~096242% 30 Days 01.~~546223~~411566% 0.~~000000~~042136% 0.~~000000~~347625% 0.000000% 01.~~546223~~801327% 01.~~540992~~510794% 0.~~000000~~033294% 0.~~000000~~381711% 0.000000% 01.~~540992~~925799% 60 Days 0.~~154591~~358159% 0.000000% 0.~~000000~~063204% 0.000000% 0.~~154591~~421363% 0.~~131470~~393534% 0.000000% 0.~~000000~~044915% 0.000000% 0.~~131470~~438449% 90 Days 0.~~000000~~126409% 0.~~000000~~010534% 0.~~000000~~126409% 0.000000% 0.~~000000~~263352% 0.~~000000~~115517% 0.~~000000~~004186% 0.~~000000~~152375% 0.000000% 0.~~000000~~272078% 120 Days 0.~~000000~~073739% 0.000000% 0.~~000000~~031602% 0.~~000000~~010534% 0.~~000000~~115875% 0.~~000000~~063635% 0.000000% 0.~~000000~~028662% 0.~~000000~~014194% 0.~~000000~~106490% 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.~~700814~~969873% 0.~~020612~~136943% 0.~~000000~~568840% 0.~~000000~~010534% 02.~~721426~~686190% 02.~~672461~~083479% 0.~~012570~~133722% 0.~~000000~~607663% 0.~~000000~~014194% 02.~~685032~~839059%

Delinquency Status By Groups

DELINQUENT BANKRUPTCY FORECLOSURE REO Total 1(A) 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 29 01 02 0 212 ~~260~~825,~~523~~059.2962 0182,488.0002 0319,757.0097 0.00 ~~260~~1,~~523~~327,305.2961 60 Days 01 0 0 0 01 0171,591.0062 0.00 0.00 0.00 0171,591.0062 90 Days 0 0 01 0 01 0.00 0.00 0153,850.00 0.00 0153,850.00 120 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 210 01 03 0 214 ~~260~~996,~~523~~651.2924 0182,488.0002 0473,607.0097 0.00 ~~260~~1,~~523~~652,747.2923 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 0.~~121139~~550459% 0.~~000000~~061162% 0.~~000000~~122324% 0.000000% 0.~~121139~~733945% 0.~~113895~~365167% 0.~~000000~~080768% 0.~~000000~~141523% 0.000000% 0.~~113895~~587458% 60 Days 0.~~000000~~061162% 0.000000% 0.000000% 0.000000% 0.~~000000~~061162% 0.~~000000~~075945% 0.000000% 0.000000% 0.000000% 0.~~000000~~075945% 90 Days 0.000000% 0.000000% 0.~~000000~~061162% 0.000000% 0.~~000000~~061162% 0.000000% 0.000000% 0.~~000000~~068093% 0.000000% 0.~~000000~~068093% 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.~~121139~~611621% 0.~~000000~~061162% 0.~~000000~~183486% 0.000000% 0.~~121139~~856269% 0.~~113895~~441112% 0.~~000000~~080768% 0.~~000000~~209616% 0.000000% 0.~~113895~~731496% DELINQUENT BANKRUPTCY FORECLOSURE REO Total 1(B) 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 02 0 0 02 0255,106.0071 0.00 0.00 0255,106.0071 30 Days 1039 01 012 0 1052 16,~~448~~758,~~333~~822.6310 080,645.0079 02,208,488.0084 0.00 19,~~448~~047,~~333~~956.6373 60 Days 04 0 0 0 04 0650,889.0063 0.00 0.00 0.00 0650,889.0063 90 Days 0 0 06 0 06 0.00 0.00 0937,588.0069 0.00 0937,588.0069 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 1043 03 018 0 1064 17,~~448~~409,~~333~~711.6373 0335,752.0050 03,146,077.0053 0.00 110,~~448~~891,~~333~~541.6376 0-29 Days 0.~~000000~~066979% 0.000000% 0.000000% 0.~~000000~~066979% 0.~~000000~~053763% 0.000000% 0.000000% 0.~~000000~~053763% 30 Days 01.~~328731~~306095% 0.~~000000~~033490% 0.~~000000~~401875% 0.000000% 01.~~328731~~741460% 01.~~298995~~424410% 0.~~000000~~016996% 0.~~000000~~465435% 0.000000% 01.~~298995~~906841% 60 Days 0.~~000000~~133958% 0.000000% 0.000000% 0.000000% 0.~~000000~~133958% 0.~~000000~~137174% 0.000000% 0.000000% 0.000000% 0.~~000000~~137174% 90 Days 0.000000% 0.000000% 0.~~000000~~200938% 0.000000% 0.~~000000~~200938% 0.000000% 0.000000% 0.~~000000~~197595% 0.000000% 0.~~000000~~197595% 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.~~328731~~440054% 0.~~000000~~100469% 0.~~000000~~602813% 0.000000% 02.~~328731~~143336% 01.~~298995~~561584% 0.~~000000~~070759% 0.~~000000~~663030% 0.000000% 02.~~298995~~295374% DELINQUENT BANKRUPTCY FORECLOSURE REO Total 2(A) 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 13 0 0 0 13 28142,~~600~~026.0069 0.00 0.00 0.00 28142,~~600~~026.0069 60 Days 04 0 0 0 04 0196,197.0022 0.00 0.00 0.00 0196,197.0022 90 Days 01 0 0 0 01 028,600.00 0.00 0.00 0.00 028,600.00 120 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 18 0 0 0 18 28366,~~600~~823.0091 0.00 0.00 0.00 28366,~~600~~823.0091 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 0.~~145985~~449775% 0.000000% 0.000000% 0.000000% 0.~~145985~~449775% 0.~~042992~~220444% 0.000000% 0.000000% 0.000000% 0.~~042992~~220444% 60 Days 0.~~000000~~599700% 0.000000% 0.000000% 0.000000% 0.~~000000~~599700% 0.~~000000~~304524% 0.000000% 0.000000% 0.000000% 0.~~000000~~304524% 90 Days 0.~~000000~~149925% 0.000000% 0.000000% 0.000000% 0.~~000000~~149925% 0.~~000000~~044391% 0.000000% 0.000000% 0.000000% 0.~~000000~~044391% 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.~~145985~~199400% 0.000000% 0.000000% 0.000000% 01.~~145985~~199400% 0.~~042992~~569360% 0.000000% 0.000000% 0.000000% 0.~~042992~~569360% DELINQUENT BANKRUPTCY FORECLOSURE REO Total 2(B) 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 02 0 0 02 0228,126.0092 0.00 0.00 0228,126.0092 30 Days 1551 01 014 0 1566 17,~~747~~814,~~970~~285.3632 0186,794.0051 02,036,257.0037 0.00 110,~~747~~037,~~970~~337.3620 60 Days 012 0 03 0 015 01,804,860.0031 0.00 0414,472.0022 0.00 02,219,332.0053 90 Days 06 0 0 0 06 0806,539.0084 0.00 0.00 0.00 0806,539.0084 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 1569 03 017 0 1589 110,~~747~~425,~~970~~685.3647 0414,921.0043 02,450,729.0059 0.00 113,~~747~~291,~~970~~336.3649 0-29 Days 0.~~000000~~081004% 0.000000% 0.000000% 0.~~000000~~081004% 0.~~000000~~059404% 0.000000% 0.000000% 0.~~000000~~059404% 30 Days 02.~~594530~~065614% 0.~~000000~~040502% 0.~~000000~~567031% 0.000000% 02.~~594530~~673147% 02.~~445107~~034843% 0.~~000000~~048641% 0.~~000000~~530242% 0.000000% 02.~~445107~~613727% 60 Days 0.~~000000~~486027% 0.000000% 0.~~000000~~121507% 0.000000% 0.~~000000~~607533% 0.~~000000~~469986% 0.000000% 0.~~000000~~107929% 0.000000% 0.~~000000~~577915% 90 Days 0.~~000000~~243013% 0.000000% 0.000000% 0.000000% 0.~~000000~~243013% 0.~~000000~~210023% 0.000000% 0.000000% 0.000000% 0.~~000000~~210023% 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 02.~~594530~~794654% 0.~~000000~~121507% 0.~~000000~~688538% 0.000000% 03.~~594530~~604698% 02.~~445107~~714853% 0.~~000000~~108046% 0.~~000000~~638171% 0.000000% 03.~~445107~~461069% DELINQUENT BANKRUPTCY FORECLOSURE REO Total 3(A) 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 2 0 0 2 ~~199~~145,~~779~~341.4354 0.00 0.00 ~~199~~145,~~779~~341.4354 30 Days 1311 01 02 0 1314 1,~~893~~908,~~182~~319.6584 065,161.0037 0202,384.0076 0.00 12,~~893~~175,~~182~~865.6597 60 Days 105 0 01 0 106 1533,~~413,886~~025.3578 0.00 059,418.0066 0.00 1592,~~413,886~~444.3544 90 Days 02 0 03 0 05 0215,942.0090 0.00 0709,037.0028 0.00 0924,980.0018 120 Days 06 0 01 01 08 0750,500.00 0.00 0279,513.0019 0219,600.00 01,249,613.0019 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 2324 23 07 01 2535 3,~~307~~407,~~069~~788.0052 ~~199~~210,~~779~~502.4391 01,250,353.0089 0219,600.00 35,~~506~~088,~~848~~245.4332 0-29 Days 0.~~236128~~247831% 0.000000% 0.000000% 0.~~236128~~247831% 0.~~135667~~104126% 0.000000% 0.000000% 0.~~135667~~104126% 30 Days 1.~~534829~~363073% 0.~~000000~~123916% 0.~~000000~~247831% 0.000000% 1.~~534829~~734820% 1.~~285630~~367169% 0.~~000000~~046683% 0.~~000000~~144994% 0.000000% 1.~~285630~~558846% 60 Days 10.~~180638~~619579% 0.000000% 0.~~000000~~123916% 0.000000% 10.~~180638~~743494% 0.~~960148~~381873% 0.000000% 0.~~000000~~042569% 0.000000% 0.~~960148~~424442% 90 Days 0.~~000000~~247831% 0.000000% 0.~~000000~~371747% 0.000000% 0.~~000000~~619579% 0.~~000000~~154707% 0.000000% 0.~~000000~~507973% 0.000000% 0.~~000000~~662680% 120 Days 0.~~000000~~743494% 0.000000% 0.~~000000~~123916% 0.~~000000~~123916% 0.~~000000~~991326% 0.~~000000~~537677% 0.000000% 0.~~000000~~200250% 0.~~000000~~157327% 0.~~000000~~895255% 150 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 180 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% Totals 2.~~715466~~973978% 0.~~236128~~371747% 0.~~000000~~867410% 0.~~000000~~123916% 24.~~951594~~337051% 2.~~245778~~441427% 0.~~135667~~150810% 0.~~000000~~895786% 0.~~000000~~157327% 23.~~381445~~645350% DELINQUENT BANKRUPTCY FORECLOSURE REO Total 3(B) 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 02 0 0 02 0860,404.0014 0.00 0.00 0860,404.0014 30 Days 1221 0 03 0 1224 35,~~219~~925,~~217~~224.0223 0.00 01,138,624.0016 0.00 37,~~219~~063,~~217~~848.0239 60 Days 58 0 02 0 510 ~~675~~2,~~523~~731,863.5419 0.00 0220,999.0078 0.00 ~~675~~2,~~523~~952,862.5497 90 Days 03 01 02 0 06 0736,098.0053 064,767.0050 0556,943.0029 0.00 01,357,809.0032 120 Days 01 0 02 0 03 0234,000.00 0.00 0163,917.0087 0.00 0397,917.0087 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 1733 03 09 0 1745 39,~~894~~627,~~740~~185.5695 0925,171.0064 02,080,485.0010 0.00 312,~~894~~632,~~740~~842.5669 0-29 Days 0.~~000000~~215285% 0.000000% 0.000000% 0.~~000000~~215285% 0.~~000000~~332661% 0.000000% 0.000000% 0.~~000000~~332661% 30 Days 12.~~256545~~260495% 0.000000% 0.~~000000~~322928% 0.000000% 12.~~256545~~583423% 12.~~193887~~290892% 0.000000% 0.~~000000~~440231% 0.000000% 12.~~193887~~731123% 60 Days 0.~~523560~~861141% 0.000000% 0.~~000000~~215285% 0.000000% 01.~~523560~~076426% 01.~~250526~~056231% 0.000000% 0.~~000000~~085446% 0.000000% 01.~~250526~~141677% 90 Days 0.~~000000~~322928% 0.~~000000~~107643% 0.~~000000~~215285% 0.000000% 0.~~000000~~645856% 0.~~000000~~284601% 0.~~000000~~025041% 0.~~000000~~215333% 0.000000% 0.~~000000~~524975% 120 Days 0.~~000000~~107643% 0.000000% 0.~~000000~~215285% 0.000000% 0.~~000000~~322928% 0.~~000000~~090472% 0.000000% 0.~~000000~~063376% 0.000000% 0.~~000000~~153849% 150 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 180 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% Totals 13.~~780105~~552207% 0.~~000000~~322928% 0.~~000000~~968784% 0.000000% 14.~~780105~~843918% 13.~~444414~~722196% 0.~~000000~~357703% 0.~~000000~~804386% 0.000000% 14.~~444414~~884285%

COLLATERAL STATEMENT Collateral Description Mixed Fixed & Arm Weighted Average Gross Coupon 7.~~596013~~585625% Weighted Average Net Coupon 7.~~162954~~153372% Weighted Average Pass-Through Rate 6.~~500354~~491635% Weighted Average Maturity(Stepdown Calculation ) ~~358~~356 Beginning Scheduled Collateral Loan Count 9,~~758~~619 Number Of Loans Paid In Full 55126 Ending Scheduled Collateral Loan Count 9,~~703~~493 Beginning Scheduled Collateral Balance 1,~~599~~571,~~593~~657,~~511~~349.5089 Ending Scheduled Collateral Balance 1,~~588~~546,~~290~~006,~~022~~636.0277 Ending Actual Collateral Balance at 30-~~Sep~~Nov-2003 1,~~589~~547,~~271~~116,~~952~~183.0189 Monthly P &I Constant 11,~~417~~166,~~865~~924.9625 Special Servicing Fee 0.00 Prepayment Penalties 0.00 Realized Loss Amount 0.00 Cumulative Realized Loss 0.00 Ending Scheduled Balance for Premium Loans 1,~~588~~546,~~290~~006,~~022~~636.0277 Scheduled Principal 1,~~292~~231,~~421~~921.9220 Unscheduled Principal 1024,~~011~~418,~~067~~791.5692

Miscellaneous Reporting Monthly Excess Cash 4,~~585~~509,~~159~~620.6216 Overcollateralized Amount 411,~~585~~996,~~671~~951.1234 Overcollateralized Deficency ~~7,411,280~~0.2200 Aggregate Overcollateralization Release 0.00 Required Overcollaterized Amount 11,996,951.34 Cap Payment 9084,~~278~~520.8300

Group Level Collateral Statement Group 1(A) 1(B) 2(A) Collateral Description Mixed Fixed Fixed 15/30 & ARM Fixed 15/30 & ARM Weighted Average Coupon Rate 7.~~357659~~353860 7.~~412198~~409202 7.~~956243~~961109 Weighted Average Net Rate 6.~~973570~~970276 7.~~019410~~017136 7.~~456243~~461108 Weighted Average Maturity ~~353~~351 ~~353~~351 ~~352~~350 Beginning Loan Count 1,~~654~~644 3,~~054~~019 ~~693~~679 Loans Paid In Full 39 33 12 8 Ending Loan Count 1,~~651~~635 32,~~042~~986 ~~685~~667 Beginning Scheduled Balance ~~229~~227,~~362~~309,~~068~~416.5763 ~~486~~480,~~467~~099,~~473~~246.6136 6765,~~703~~656,~~014~~316.4205 Ending scheduled Balance ~~228~~225,~~587~~767,~~817~~867.7178 ~~484~~474,~~100~~156,~~907~~192.0742 6664,~~478~~377,~~991~~559.3488 Record Date 0911/30/2003 0911/30/2003 0911/30/2003 Principal And Interest Constant 1,~~624~~611,~~345~~091.4594 3,~~383~~344,~~557~~056.6485 ~~513~~498,~~236~~970.3547 Scheduled Principal 218,~~038~~090.8261 ~~378~~379,~~729~~763.8646 6463,~~351~~389.6859 Unscheduled Principal ~~556~~1,~~212~~323,458.0424 15,~~987~~563,~~836~~290.6848 1,~~159~~215,~~671~~366.4058 Scheduled Interest 1,~~406~~393,~~306~~001.6333 32,~~004~~964,~~827~~293.7839 ~~448~~435,~~884~~580.6788 Servicing Fees 7372,~~412~~660.9522 ~~159~~156,~~232~~858.0859 2827,~~209~~356.5981 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 77,~~450~~069.9652 ~~305~~300,~~993~~594.5084 2221,~~294~~844.9243 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 1,~~255~~243,~~442~~271.7259 2,~~539~~506,~~602~~839.2096 ~~398~~386,~~380~~379.1664 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.~~568354~~563415 6.~~264597~~265804 7.~~061077~~061858

Group Level Collateral Statement Group 2(B) 3(A) 3(B) Collateral Description Fixed 15/30 & ARM Fixed 15/30 & ARM Fixed 15/30 & ARM Weighted Average Coupon Rate 7.~~781254~~773235 8.~~122298~~073070 7.~~475388~~474788 Weighted Average Net Rate 7.~~281471~~273455 7.~~672182~~625750 7.~~052042~~051952 Weighted Average Maturity 350 352 ~~354~~352 ~~354~~ Beginning Loan Count 2,~~535~~504 ~~864~~824 ~~958~~949 Loans Paid In Full 1235 17 320 Ending Loan Count 2,~~523~~469 ~~847~~807 ~~955~~929 Beginning Scheduled Balance ~~394~~389,~~944~~220,~~652~~248.4688 ~~150~~142,~~465~~211,~~433~~753.6513 ~~270~~267,~~650~~160,~~868~~368.7984 Ending scheduled Balance ~~392~~383,~~488~~770,~~281~~426.4741 ~~147~~139,~~160~~477,~~262~~851.5319 ~~269~~258,~~473~~456,~~761~~739.9009 Record Date 0911/30/2003 0911/30/2003 0911/30/2003 Principal And Interest Constant 2,~~862~~784,~~337~~595.2047 1,~~135~~069,~~671~~110.8577 1,~~898~~859,~~717~~098.4775 Scheduled Principal ~~301~~263,~~366~~345.8020 ~~117~~112,~~234~~372.2394 ~~212~~194,~~700~~959.5340 Unscheduled Principal 25,~~155~~186,~~004~~477.1927 32,~~187~~621,~~936~~529.8900 ~~964~~8,~~406~~508,670.3635 Scheduled Interest 2,~~560~~521,~~970~~250.4027 1956,~~018,437~~737.6283 1,~~686~~664,~~016~~139.9435 Servicing Fees ~~164~~162,~~488~~103.5549 5653,~~439~~011.1075 9594,~~482~~137.4761 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 ~~264~~260,~~718~~917.4587 7873,~~671~~827.9503 ~~134~~132,~~112~~432.3341 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 2,~~131~~098,~~763~~228.4091 ~~883~~829,~~326~~899.5705 1,~~456~~437,~~422~~569.1433 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.~~477151~~469023 7.~~044753~~002789 6.~~457421~~457108

Group Level Collateral Statement Group Total Collateral Description Mixed Fixed & Arm Weighted Average Coupon Rate 7.~~596013~~585625 Weighted Average Net Rate 7.~~162954~~153372 Weighted Average Maturity ~~358~~356.00 Record Date 0911/30/2003 Principal And Interest Constant 11,~~417~~166,~~865~~924.9625 Beginning Loan Count 9,~~758~~619 Loans Paid In Full 55126 Ending Loan Count 9,~~703~~493 Beginning Scheduled Balance 1,~~599~~571,~~593~~657,~~511~~349.5089 Ending Scheduled Balance 1,~~588~~546,~~290~~006,~~022~~636.0277 Scheduled Principal 1,~~292~~231,~~421~~921.9220 Unscheduled Principal 1024,~~011~~418,~~067~~791.5692 Scheduled Interest 109,~~125~~935,~~444~~003.0405 Servicing Fee ~~577~~566,~~264~~128.7447 Master Servicing Fee 0.00 Trustee Fee 0.00 Fry Amount 0.00 Special Hazard Fee 0.00 Other Fee ~~883~~866,~~242~~686.1110 Pool Insurance Fee 0.00 Spread 1 0.00 Spread 2 0.00 Spread 3 0.00 Net Interest 8,~~664~~502,~~937~~188.1948 Realized Loss Amount 0.00 Cumulative Realized Loss 0.00 Percentage of Cumulative Losses 0.0000 Prepayment Penalties 0.00 Special Servicing Fee 0.00 Pass-Through Rate 6.~~500354~~491635

Filing Compare · STRUCTURED ASSET SEC CORP MORT PAS THR CERTS SER 2003 BC10