8-K 1 sai03bc1.txt OCTOBER 8K 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): October 27, 2003 STRUCTURED ASSET INVESTMENT LOAN TRUST Mortgage Pass-Through Certificates, Series 2003-BC1 Trust (Exact name of registrant as specified in its charter) New York (governing law of 333-92140-25 06-1683035 Pooling and Servicing Agreement) (Commission 06-1683039 (State or other File Number) 06-1683046 jurisdiction IRS EIN 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 October 27, 2003 a distribution was made to holders of STRUCTURED ASSET INVESTMENT LOAN TRUST, Mortgage Pass-Through Certificates, Series 2003-BC1 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-BC1 Trust, relating to the October 27, 2003 distribution. Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. STRUCTURED ASSET INVESTMENT LOAN TRUST Mortgage Pass-Through Certificates, Series 2003-BC1 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: 11/5/03 INDEX TO EXHIBITS Exhibit Number Description EX-99.1 Monthly report distributed to holders of Mortgage Pass-Through Certificates, Series 2003-BC1 Trust, relating to the October 27, 2003 distribution. EX-99.1

Structured Asset Investment Loan Trust Mortgage Pass-Through Certificates Record Date: 89/3130/03 Distribution Date: 910/2527/03 SAIL Series: 2003-BC1 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 A1 86358EAA4 SEN 1.~~49000~~50000% ~~467~~453,~~674~~211,~~943~~894.6055 ~~600~~604,~~052~~282.9351 1421,~~463~~748,~~049~~485.0521 A2 86358EAB2 SEN 1.~~45000~~46000% ~~271~~262,~~611~~578,~~027~~763.0084 ~~339~~340,~~136~~768.5588 911,~~032~~199,~~263~~687.1678 A-IO 86358EAC0 IO 6.00000% 0.00 1,272,~~345~~344.0097 0.00 M1 86358EAD8 MEZ 1.~~91000~~92000% 37,699,000.00 6264,~~004~~339.3863 0.00 M2 86358EAE6 MEZ 2.~~96000~~97000% 28,274,000.00 7274,~~067~~643.2836 0.00 M3 86358EAF3 MEZ 4.~~11000~~12000% 11,781,000.00 4143,~~694~~144.9264 0.00 M4 86358EAG1 MEZ 4.~~11000~~12000% 7,069,000.00 25,~~018~~888.3725 0.00 B 86358EAH9 SEN 7.00000% 2,356,000.00 13,743.33 0.00 X SAI03BC1X SEN 0.00000% 7,069,245.00 2,~~592~~341,~~520~~446.9849 0.00 P SAI03BC1P SEN 0.00000% 100.00 ~~471~~668,~~705~~889.6882 0.00 R1 SAI03B1R1 SEN 0.00000% 0.00 0.00 0.00 R2 SAI03B1R2 SEN 0.00000% 0.00 0.00 0.00 R3 SAI03B1R3 SEN 0.00000% 0.00 0.00 0.00 Totals ~~833~~810,~~534~~039,~~315~~003.6039 5,~~490~~449,~~289~~491.4288 2332,~~495~~948,~~312~~172.2199

Certificateholder Distribution Summary (continued) Current Ending Cumulative Realized Certificate Total Realized Class Loss Balance Distribution Losses A1 0.00 ~~453~~431,~~211~~463,~~894~~409.5534 1522,~~063~~352,~~101~~767.9872 0.00 A2 0.00 ~~262~~251,~~578~~379,~~763~~076.8406 911,~~371~~540,~~399~~456.7166 0.00 A-IO 0.00 0.00 1,272,~~345~~344.0097 0.00 M1 0.00 37,699,000.00 6264,~~004~~339.3863 0.00 M2 0.00 28,274,000.00 7274,~~067~~643.2836 0.00 M3 0.00 11,781,000.00 4143,~~694~~144.9264 0.00 M4 0.00 7,069,000.00 25,~~018~~888.3725 0.00 B 0.00 2,356,000.00 13,743.33 0.00 X 0.00 7,069,245.00 2,~~592~~341,~~520~~446.9849 0.00 P 0.00 100.00 ~~471~~668,~~705~~889.6882 0.00 R1 0.00 0.00 0.00 0.00 R2 0.00 0.00 0.00 0.00 R3 0.00 0.00 0.00 0.00 Totals 0.00 ~~810~~777,~~039~~090,~~003~~830.3940 2838,~~985~~397,~~601~~664.6387 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) A1 532,358,000.00 ~~467~~453,~~674~~211,~~943~~894.6055 0.00 1421,~~463~~748,~~049~~485.0521 0.00 0.00 A2 315,873,000.00 ~~271~~262,~~611~~578,~~027~~763.0084 0.00 911,~~032~~199,~~263~~687.1678 0.00 0.00 A-IO 0.00 0.00 0.00 0.00 0.00 0.00 X 7,069,245.00 7,069,245.00 0.00 0.00 0.00 0.00 P 100.00 100.00 0.00 0.00 0.00 0.00 R1 0.00 0.00 0.00 0.00 0.00 0.00 R2 0.00 0.00 0.00 0.00 0.00 0.00 R3 0.00 0.00 0.00 0.00 0.00 0.00 Totals 855,300,345.00 ~~746~~722,~~355~~860,~~315~~003.6039 0.00 2332,~~495~~948,~~312~~172.2199 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 A1 1421,~~463~~748,~~049~~485.0521 ~~453~~431,~~211~~463,~~894~~409.5534 0.~~85132917~~81047605 1421,~~463~~748,~~049~~485.0521 A2 911,~~032~~199,~~263~~687.1678 ~~262~~251,~~578~~379,~~763~~076.8406 0.~~83127955~~79582325 911,~~032~~199,~~263~~687.1678 A-IO 0.00 0.00 0.00000000 0.00 X 0.00 7,069,245.00 1.00000000 0.00 P 0.00 100.00 1.00000000 0.00 R1 0.00 0.00 0.00000000 0.00 R2 0.00 0.00 0.00000000 0.00 R3 0.00 0.00 0.00000000 0.00 Totals 2332,~~495~~948,~~312~~172.2199 ~~722~~689,~~860~~911,~~003~~830.3940 0.~~84515341~~80663107 2332,~~495~~948,~~312~~172.2199

Principal Distribution Factors Statement Original Beginning Scheduled Unscheduled Face Certificate Principal Principal Class (2) Amount Balance Distribution Distribution Accretion A1 532,358,000.00 ~~878~~851.~~49707077~~32917050 0.00000000 2740.~~16790027~~85311991 0.00000000 A2 315,873,000.00 ~~859~~831.~~87414879~~27954539 0.00000000 2835.~~59460340~~45629978 0.00000000 A-IO 0.00 0.00000000 0.00000000 0.00000000 0.00000000 M1 37,699,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 M2 28,274,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 M3 11,781,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 M4 7,069,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 B 2,356,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 X 7,069,245.00 1000.00000000 0.00000000 0.00000000 0.00000000 P 100.00 0.00000000 0.00000000 0.00000000 0.00000000 R1 0.00 0.00000000 0.00000000 0.00000000 0.00000000 R2 0.00 0.00000000 0.00000000 0.00000000 0.00000000 R3 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 A1 0.00000000 2740.~~16790027~~85311991 ~~851~~810.~~32917050~~47605059 0.~~85132917~~81047605 2740.~~16790027~~85311991 A2 0.00000000 2835.~~59460340~~45629978 ~~831~~795.~~27954539~~82324561 0.~~83127955~~79582325 2835.~~59460340~~45629978 A-IO 0.00000000 0.00000000 0.00000000 0.00000000 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 B 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 X 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 P 0.00000000 0.00000000 0.00000000 1.00000000 0.00000000 R1 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 R2 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 R3 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 (3) Amount Does Not Include Excess Special Hazard, ~~Bankrupcy~~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 A1 532,358,000.00 1.~~49000~~50000% ~~467~~453,~~674~~211,~~943~~894.6055 ~~600~~604,~~052~~282.9353 0.00 0.00 A2 315,873,000.00 1.~~45000~~46000% ~~271~~262,~~611~~578,~~027~~763.0084 ~~339~~340,~~136~~768.5588 0.00 0.00 A-IO 0.00 6.00000% 254,469,000.00 1,272,345.00 0.00 0.00 M1 37,699,000.00 1.~~91000~~92000% 37,699,000.00 6264,~~004~~339.3863 0.00 0.00 M2 28,274,000.00 2.~~96000~~97000% 28,274,000.00 7274,~~067~~643.2836 0.00 0.00 M3 11,781,000.00 4.~~11000~~12000% 11,781,000.00 4143,~~694~~144.9264 0.00 0.00 M4 7,069,000.00 4.~~11000~~12000% 7,069,000.00 25,~~018~~888.3725 0.00 0.00 B 2,356,000.00 7.00000% 2,356,000.00 13,743.33 0.00 0.00 X 7,069,245.00 0.00000% 7,069,245.00 0.00 0.00 0.00 P 100.00 0.00000% 100.00 0.00 0.00 0.00 R1 0.00 0.00000% 0.00 0.00 0.00 0.00 R2 0.00 0.00000% 0.00 0.00 0.00 0.00 R3 0.00 0.00000% 0.00 0.00 0.00 0.00 Totals 942,479,345.00 2,~~426~~439,~~062~~155.7662 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 A1 0.0001 0.00 ~~600~~604,~~052~~282.9351 0.00 ~~453~~431,~~211~~463,~~894~~409.5534 A2 0.0001 0.00 ~~339~~340,~~136~~768.5588 0.00 ~~262~~251,~~578~~379,~~763~~076.8406 A-IO 0.0003 0.00 1,272,~~345~~344.0097 0.00 254,469,000.00 M1 0.00 0.00 6264,~~004~~339.3863 0.00 37,699,000.00 M2 0.00 0.00 7274,~~067~~643.2836 0.00 28,274,000.00 M3 0.00 0.00 4143,~~694~~144.9264 0.00 11,781,000.00 M4 0.00 0.00 25,~~018~~888.3725 0.00 7,069,000.00 B 0.00 0.00 13,743.33 0.00 2,356,000.00 X 0.00 0.00 2,~~592~~341,~~520~~446.9849 0.00 7,069,245.00 P 0.00 0.00 ~~471~~668,~~705~~889.6882 0.00 100.00 R1 0.00 0.00 0.00 0.00 0.00 R2 0.00 0.00 0.00 0.00 0.00 R3 0.00 0.00 0.00 0.00 0.00 Totals 0.0005 0.00 5,~~490~~449,~~289~~491.4288 0.00 (4) Amount Does Not Include Excess Special Hazard, ~~Bankrupcy~~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 A1 532,358,000.00 1.~~49000~~50000% ~~878~~851.~~49707077~~32917050 1.~~12716054~~13510557 0.00000000 0.00000000 A2 315,873,000.00 1.~~45000~~46000% ~~859~~831.~~87414879~~27954539 1.~~07364843~~07881611 0.00000000 0.00000000 A-IO 0.00 6.00000% 818.18094130 4.09090471 0.00000000 0.00000000 M1 37,699,000.00 1.~~91000~~92000% 1000.00000000 1.~~64472214~~70666676 0.00000000 0.00000000 M2 28,274,000.00 2.~~96000~~97000% 1000.00000000 2.~~54888873~~64000000 0.00000000 0.00000000 M3 11,781,000.00 4.~~11000~~12000% 1000.00000000 3.~~53916645~~66222222 0.00000000 0.00000000 M4 7,069,000.00 4.~~11000~~12000% 1000.00000000 3.~~53916678~~66222238 0.00000000 0.00000000 B 2,356,000.00 7.00000% 1000.00000000 5.83333192 0.00000000 0.00000000 X 7,069,245.00 0.00000% 1000.00000000 0.00000000 0.00000000 0.00000000 P 100.00 0.00000% 0.00000000 0.00000000 0.00000000 0.00000000 R1 0.00 0.00000% 0.00000000 0.00000000 0.00000000 0.00000000 R2 0.00 0.00000% 0.00000000 0.00000000 0.00000000 0.00000000 R3 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 A1 0.~~00000000~~00000002 0.00000000 1.~~12716054~~13510553 0.00000000 ~~851~~810.~~32917050~~47605059 A2 0.~~00000000~~00000003 0.00000000 1.~~07364843~~07881611 0.00000000 ~~831~~795.~~27954539~~82324561 A-IO 0.~~00000000~~00000010 0.00000000 4.~~09090471~~09090461 0.00000000 818.18094130 M1 0.00000000 0.00000000 1.~~64472214~~70666676 0.00000000 1000.00000000 M2 0.00000000 0.00000000 2.~~54888873~~64000000 0.00000000 1000.00000000 M3 0.00000000 0.00000000 3.~~53916645~~66222222 0.00000000 1000.00000000 M4 0.00000000 0.00000000 3.~~53916678~~66222238 0.00000000 1000.00000000 B 0.00000000 0.00000000 5.83333192 0.00000000 1000.00000000 X 0.00000000 0.00000000 ~~366~~331.~~73237100~~21592051 0.00000000 1000.00000000 P 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 R1 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 R2 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 R3 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 (6) Amount Does Not Include Excess Special Hazard, ~~Bankrupcy~~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 2938,~~348~~845,~~747~~751.1308 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) (~~905~~96,056.5083) Prepayment Penalties 0.00 Total Deposits 2938,~~347~~749,~~841~~694.6325 Withdrawals Reimbursement for Servicer Advances 0.00 Payment of Service Fee ~~362~~352,~~240~~029.0038 Payment of Interest and Principal 2838,~~985~~397,~~601~~664.6387 Total Withdrawals (Pool Distribution Amount) 2938,~~347~~749,~~841~~694.6325 Ending Balance 0.00

SERVICING FEES Gross Servicing Fee ~~347~~337,~~305~~516.9219 Credit Risk Management Fee 10,~~419~~125.1849 Wells Fargo Bank Minnesota, NA 4,~~514~~387.9070 Supported Prepayment/Curtailment Interest Shortfall 0.00 Net Servicing Fee ~~362~~352,~~240~~029.0038

OTHER ACCOUNTS Beginning Current Current Ending Account Type Balance Withdrawals Deposits Balance Reserve Fund 1,000.00 2,~~771~~533.6050 2,~~771~~533.6050 1,000.00 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 912 01 0 913 ~~798~~923,~~101~~586.7277 0152,018.0050 0.00 ~~798~~1,~~101~~075,605.7227 30 Days ~~104~~106 1 0 0 1107 ~~105 15~~14,~~683~~624,~~299~~870.4109 048,548.0059 0.00 0.00 1514,~~683~~673,~~299~~418.4168 60 Days 3422 23 1812 0 5437 53,~~091~~568,~~915~~954.7586 ~~309~~367,~~412~~585.0382 2,~~881~~088,~~677~~936.7850 0.00 86,~~283~~025,~~005~~477.5618 90 Days 128 15 3029 0 4342 1,~~233~~329,~~450~~442.8039 ~~148~~610,~~028~~236.1081 34,~~721~~063,~~686~~617.5954 0.00 56,~~103~~003,~~165~~296.4974 120 Days 58 23 2227 01 2939 ~~479~~759,~~532~~630.0339 ~~125~~217,~~489~~238.1690 23,~~685~~834,~~141~~427.1260 070,542.0020 34,~~290~~881,~~162~~839.3109 150 Days 35 5 4016 50 5326 ~~747~~506,~~926~~719.4966 ~~525~~624,~~834~~065.9994 51,~~363~~883,~~437~~990.0892 ~~803,760~~0.9600 73,~~440~~014,~~959~~776.52 180+ Days 810 17 1042 211 2170 ~~766~~1,~~213~~099,505.9271 ~~206~~1,~~654~~212,996.06 14,~~197~~773,~~719~~771.6401 ~~594~~1,~~462~~598,131.2293 28,~~765~~684,~~049~~404.8471 Totals ~~166~~159 2036 ~~120~~127 812 ~~314~~334 2421,~~002~~889,~~338~~123.4010 24,~~113~~004,~~520~~258.0689 1516,~~849~~796,~~662~~762.2107 1,~~398~~668,~~223~~674.1813 4344,~~363~~358,~~743~~818.8519 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.~~162778~~224551% 0.~~000000~~018713% 0.000000% 0.~~162778~~243263% 0.~~098440~~118744% 0.~~000000~~019545% 0.000000% 0.~~098440~~138289% 30 Days 1.~~880991~~983533% 0.~~000000~~018713% 0.000000% 0.~~018086~~000000% 12.~~899078~~002246% 1.~~934426~~880301% 0.~~000000~~006242% 0.000000% 0.000000% 1.~~934426~~886543% 60 Days 0.~~614939~~411677% 0.~~036173~~056138% 0.~~325556~~224551% 0.000000% 0.~~976668~~692365% 0.~~628052~~458856% 0.~~038164~~047260% 0.~~355435~~268572% 0.000000% 10.~~021651~~774688% 90 Days 0.~~217037~~149701% 0.~~018086~~093563% 0.~~542594~~542665% 0.000000% 0.~~777717~~785928% 0.~~152138~~170925% 0.~~018258~~078457% 0.~~459044~~522454% 0.000000% 0.~~629440~~771836% 120 Days 0.~~090432~~149701% 0.~~036173~~056138% 0.~~397902~~505240% 0.~~000000~~018713% 0.~~524507~~729790% 0.~~059147~~097665% 0.~~015478~~027930% 0.~~331194~~492988% 0.~~000000~~009070% 0.~~405819~~627652% 150 Days 0.~~054259~~093563% 0.~~090432~~093563% 0.~~723458~~299401% 0.~~090432~~000000% 0.~~958582~~486527% 0.~~092252~~065148% 0.~~064858~~080235% 0.~~661543~~242222% 0.~~099138~~000000% 0.~~917791~~387606% 180+ Days 0.~~144692~~187126% 0.~~018086~~130988% 0.~~180865~~785928% 0.~~036173~~205838% 01.~~379816~~309880% 0.~~094507~~141362% 0.~~025489~~155953% 0.~~147730~~613758% 0.~~073323~~205470% 01.~~341050~~116543% Totals 32.~~002351~~975299% 0.~~361729~~673653% 2.~~170374~~376497% 0.~~144692~~224551% 56.~~679146~~250000% 2.~~960522~~814257% 0.~~260688~~514823% 12.~~954946~~159539% 0.~~172461~~214539% 5.~~348617~~703157%

Delinquency Status By Groups

DELINQUENT BANKRUPTCY FORECLOSURE REO Total 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 30 0 0 30 ~~306,770~~0.2400 0.00 0.00 ~~306,770~~0.2400 30 Days 56 0 0 0 56 ~~353~~337,~~190~~940.6401 0.00 0.00 0.00 ~~353~~337,~~190~~940.6401 60 Days 21 0 30 0 51 75160,~~345~~716.0107 0.00 ~~508,503~~0.7800 0.00 ~~583~~160,~~848~~716.7907 90 Days 1 0 23 0 34 3141,~~938~~452.6516 0.00 98508,~~376~~503.8978 0.00 ~~130~~549,~~315~~955.5494 120 Days 21 01 01 0 23 ~~141~~31,~~385~~938.0865 052,892.0058 045,484.0031 0.00 ~~141~~130,~~385~~315.0854 150 Days 1 0 0 4 0 41 94,463.21 0.00 0.00 ~~202,936.11~~ 0.00 ~~202~~94,~~936~~463.1121 180 Days 5 0 04 0 59 209,631.72 0.00 0202,936.0011 0.00 ~~209~~412,~~631~~567.7283 Totals 15 31 98 0 2724 ~~811~~876,~~491~~141.1082 ~~306~~52,~~770~~892.2458 ~~809~~756,~~816~~924.7820 0.00 1,~~928~~685,~~078~~958.1260 0-29 Days 0.~~405405~~000000% 0.000000% 0.000000% 0.~~405405~~000000% 0.~~377109~~000000% 0.000000% 0.000000% 0.~~377109~~000000% 30 Days 0.~~675676~~839161% 0.000000% 0.000000% 0.000000% 0.~~675676~~839161% 0.~~434173~~436864% 0.000000% 0.000000% 0.000000% 0.~~434173~~436864% 60 Days 0.~~270270~~139860% 0.000000% 0.~~405405~~000000% 0.000000% 0.~~675676~~139860% 0.~~092621~~207762% 0.000000% 0.~~625097~~000000% 0.000000% 0.~~717717~~207762% 90 Days 0.~~135135~~139860% 0.000000% 0.~~270270~~419580% 0.000000% 0.~~405405~~559441% 0.~~039262~~053586% 0.000000% 0.~~120933~~657356% 0.000000% 0.~~160195~~710942% 120 Days 0.~~270270~~139860% 0.~~000000~~139860% 0.~~000000~~139860% 0.000000% 0.~~270270~~419580% 0.~~173803~~041288% 0.~~000000~~068376% 0.~~000000~~058799% 0.000000% 0.~~173803~~168462% 150 Days 0.~~000000~~139860% 0.000000% 0.~~540541~~000000% 0.000000% 0.~~540541~~139860% 0.~~000000~~122115% 0.000000% 0.~~249467~~000000% 0.000000% 0.~~249467~~122115% 180 Days 0.~~675676~~699301% 0.000000% 0.~~000000~~559441% 0.000000% 01.~~675676~~258741% 0.~~257697~~270996% 0.000000% 0.~~000000~~262341% 0.000000% 0.~~257697~~533337% Totals 2.~~027027~~097902% 0.~~405405~~139860% 1.~~216216~~118881% 0.000000% 3.~~648649~~356643% 01.~~997555~~132611% 0.~~377109~~068376% 0.~~995497~~978496% 0.000000% 2.~~370161~~179483% DELINQUENT BANKRUPTCY FORECLOSURE REO Total 2 No of Loans No of Loans No of Loans No of Loans No of Loans Principal Balance Principal Balance Principal Balance Principal Balance Principal Balance 0-29 Days 4 0 0 4 ~~359~~363,~~473~~650.4095 0.00 0.00 ~~359~~363,~~473~~650.4095 30 Days 6876 0 0 10 6976 109,~~083~~565,~~159~~433.2936 0.00 0.00 0.00 109,~~083~~565,~~159~~433.2936 60 Days 2413 23 68 0 3224 41,~~098~~658,~~193~~578.5024 ~~309~~367,~~412~~585.0382 ~~801~~1,~~915~~070,764.9669 0.00 53,~~209~~096,~~521~~928.4975 90 Days 85 02 1813 0 2620 ~~798~~975,~~201~~469.5760 0349,183.0075 1,~~541~~711,~~286~~046.5821 0.00 23,~~339~~035,~~488~~699.1556 120 Days 25 0 1719 01 1925 ~~238~~482,~~301~~897.1649 0.00 21,~~164~~999,~~614~~752.2687 070,542.0020 2,~~402~~553,~~915~~192.4256 150 Days 03 43 2313 20 2919 0312,410.0066 ~~435~~418,~~992~~607.0585 21,~~931~~568,~~388~~922.6515 ~~99,108~~0.0700 32,~~466~~299,~~488~~940.7766 180 Days 2 15 727 13 1137 ~~444~~479,~~766~~763.8459 ~~206~~624,~~654~~068.0628 ~~963~~3,~~519~~396,234.1001 89215,~~979~~893.8892 14,~~704~~715,~~919~~959.8880 Totals 104 1117 7180 4 ~~190~~205 1513,~~662~~474,~~622~~552.3694 12,~~311~~123,~~531~~096.5465 89,~~402~~746,~~724~~719.5593 ~~189~~286,~~087~~436.9512 25,~~565~~630,~~966~~805.4064 0-29 Days 0.~~129492~~134138% 0.000000% 0.000000% 0.~~129492~~134138% 0.~~083326~~087901% 0.000000% 0.000000% 0.~~083326~~087901% 30 Days 2.~~201360~~548625% 0.000000% 0.000000% 0.~~032373~~000000% 2.~~233733~~548625% 2.~~337284~~312131% 0.000000% 0.000000% 0.000000% 2.~~337284~~312131% 60 Days 0.~~776950~~435949% 0.~~064746~~100604% 0.~~194238~~268276% 0.000000% 10.~~035934~~804829% 0.~~949964~~400907% 0.~~071722~~088852% 0.~~185885~~258822% 0.000000% 10.~~207571~~748581% 90 Days 0.~~258983~~167673% 0.~~000000~~067069% 0.~~582713~~435949% 0.000000% 0.~~841696~~670691% 0.~~185024~~235788% 0.~~000000~~084404% 0.~~357271~~413589% 0.000000% 0.~~542295~~733781% 120 Days 0.~~064746~~167673% 0.000000% 0.~~550340~~637156% 0.~~000000~~033535% 0.~~615086~~838364% 0.~~055238~~116725% 0.000000% 0.~~501759~~483375% 0.~~000000~~017051% 0.~~556998~~617151% 150 Days 0.~~000000~~100604% 0.~~129492~~100604% 0.~~744578~~435949% 0.~~064746~~000000% 0.~~938815~~637156% 0.~~000000~~075515% 0.~~101063~~101185% 0.~~679498~~379236% 0.~~022973~~000000% 0.~~803535~~555935% 180 Days 0.~~064746~~067069% 0.~~032373~~167673% 0.~~226611~~905433% 0.~~032373~~100604% 01.~~356102~~240778% 0.~~103097~~115967% 0.~~047903~~150848% 0.~~223344~~820929% 0.~~020857~~052185% 01.~~395202~~139929% Totals 3.~~366785~~487592% 0.~~356102~~570087% 2.~~298478~~682763% 0.~~129492~~134138% 6.~~150858~~874581% 3.~~630607~~257033% 0.~~304014~~513189% 12.~~947758~~355951% 0.~~043831~~069237% 56.~~926210~~195410% DELINQUENT BANKRUPTCY FORECLOSURE REO Total 3 No of Loans No of Loans No of Loans No of Loans No of Loans Principal Balance Principal Balance Principal Balance Principal Balance Principal Balance 0-29 Days 27 0 0 27 ~~131~~498,~~858~~360.0823 0.00 0.00 ~~131~~498,~~858~~360.0823 30 Days 2017 01 0 0 2018 2,~~106~~404,~~555~~371.1994 048,548.0059 0.00 0.00 2,~~106~~452,~~555~~920.1953 60 Days 83 0 52 0 135 ~~918~~338,~~377~~774.2474 0.00 ~~445~~95,~~564~~893.0538 0.00 1434,~~363,941~~668.2912 90 Days 1 02 59 0 612 70154,~~658~~087.7714 0113,105.0074 ~~328~~718,~~425~~373.5856 0.00 ~~399~~985,~~084~~566.3544 120 Days 1 2 3 0 6 9970,~~845~~658.7977 ~~125~~164,~~489~~346.1632 ~~264~~188,~~933~~012.7519 0.00 ~~490~~423,~~268~~017.7028 150 Days 1 02 8 1 100 ~~182~~4 99,~~142~~845.6279 0205,458.0009 ~~767~~59,~~697~~475.2666 ~~74,432~~0.9600 1364,~~024,272~~779.8454 180 Days 01 0 06 03 010 0109,867.0039 0.00 0557,950.0041 0256,575.0058 0924,393.0038 Totals 3124 414 21 13 5762 3,~~377~~177,~~579~~605.6177 ~~257~~1,~~347~~029,818.2497 1,~~806~~619,~~620~~705.6420 74256,~~432~~575.9658 56,~~515~~083,~~980~~705.4552 0-29 Days 0.~~159744~~574241% 0.000000% 0.000000% 0.~~159744~~574241% 0.~~078202~~305569% 0.000000% 0.000000% 0.~~078202~~305569% 30 Days 1.~~597444~~394586% 0.~~000000~~082034% 0.000000% 0.000000% 1.~~597444~~476620% 1.~~249350~~474239% 0.~~000000~~029768% 0.000000% 0.000000% 1.~~249350~~504007% 60 Days 0.~~638978~~246103% 0.000000% 0.~~399361~~164069% 0.000000% 10.~~038339~~410172% 0.~~544669~~207720% 0.000000% 0.~~264254~~058797% 0.000000% 0.~~808923~~266517% 90 Days 0.~~079872~~082034% 0.~~000000~~164069% 0.~~399361~~738310% 0.000000% 0.~~479233~~984413% 0.~~041906~~094478% 0.~~000000~~069351% 0.~~194782~~440470% 0.000000% 0.~~236688~~604300% 120 Days 0.~~079872~~082034% 0.~~159744~~164069% 0.~~239617~~246103% 0.000000% 0.~~479233~~492207% 0.~~059216~~043324% 0.~~074425~~100769% 0.~~157126~~115280% 0.000000% 0.~~290767~~259373% 150 Days 0.~~079872~~082034% 0.~~000000~~164069% 0.~~638978~~082034% 0.~~079872~~000000% 0.~~798722~~328138% 0.~~108025~~061220% 0.~~000000~~125977% 0.~~455304~~036467% 0.~~044145~~000000% 0.~~607473~~223664% 180 Days 0.~~000000~~082034% 0.000000% 0.~~000000~~492207% 0.~~000000~~246103% 0.~~000000~~820345% 0.~~000000~~067365% 0.000000% 0.~~000000~~342107% 0.~~000000~~157319% 0.~~000000~~566791% Totals 21.~~476038~~968827% 01.~~319489~~148482% 1.~~677316~~722724% 0.~~079872~~246103% 45.~~552716~~086136% 21.~~003166~~948347% 0.~~152627~~631433% 10.~~071466~~993121% 0.~~044145~~157319% 3.~~271404~~730221% DELINQUENT BANKRUPTCY FORECLOSURE REO Total 4 No of Loans No of Loans No of Loans No of Loans No of Loans Principal Balance Principal Balance Principal Balance Principal Balance Principal Balance 0-29 Days 01 01 0 02 061,575.0059 0152,018.0050 0.00 0213,594.0009 30 Days 117 0 0 0 117 32,~~140~~317,~~394~~124.2978 0.00 0.00 0.00 32,~~140~~317,~~394~~124.2978 60 Days 05 0 42 0 47 01,410,885.0081 0.00 1922,~~125,693~~278.9943 0.00 12,~~125~~333,~~693~~164.9924 90 Days 21 1 54 0 86 ~~332~~158,~~651~~433.8149 ~~148~~147,~~028~~947.1032 1,~~753~~125,~~597~~693.5499 0.00 21,~~234~~432,~~277~~074.4580 120 Days 01 0 24 0 25 0174,135.0048 0.00 ~~255~~1,~~593~~601,178.1123 0.00 ~~255~~1,~~593~~775,313.1171 150 Days 20 10 5 2 100 ~~565,783~~2 0.8700 ~~89,842~~0.9400 1255,~~461,415~~593.0611 ~~630,219~~0.9300 2255,~~747,261~~593.8011 180 Days 12 02 35 1 5 ~~111~~14 300,~~815~~243.3601 0588,927.0078 ~~234~~616,~~200~~650.5448 ~~504~~1,~~482~~125,662.3443 ~~850~~2,~~498~~631,483.2470 Totals 16 24 1918 35 4043 4,~~150~~360,~~645~~822.3357 ~~237~~798,~~871~~450.0469 4,~~830~~673,~~500~~412.2474 1,~~134~~125,~~702~~662.2743 10,~~353~~958,~~718~~348.8843 0-29 Days 0.~~000000~~233645% 0.~~000000~~233645% 0.000000% 0.~~000000~~467290% 0.~~000000~~049803% 0.~~000000~~122953% 0.000000% 0.~~000000~~172756% 30 Days 21.~~455357~~635514% 0.000000% 0.000000% 0.000000% 21.~~455357~~635514% 21.~~427230~~874099% 0.000000% 0.000000% 0.000000% 21.~~427230~~874099% 60 Days 01.~~000000~~168224% 0.000000% 0.~~892857~~467290% 0.000000% 01.~~892857~~635514% 01.~~000000~~141130% 0.000000% 0.~~870056~~745942% 0.000000% 01.~~870056~~887072% 90 Days 0.~~446429~~233645% 0.~~223214~~233645% 10.~~116071~~934579% 0.000000% 1.~~785714~~401869% 0.~~257109~~128142% 0.~~114412~~119660% 10.~~355366~~910466% 0.000000% 1.~~726887~~158268% 120 Days 0.~~000000~~233645% 0.000000% 0.~~446429~~934579% 0.000000% 01.~~446429~~168224% 0.~~000000~~140841% 0.000000% 01.~~197549~~295039% 0.000000% 01.~~197549~~435880% 150 Days 0.~~446429~~000000% 0.~~223214~~000000% 10.~~116071~~467290% 0.~~446429~~000000% 20.~~232143~~467290% 0.~~437298~~000000% 0.~~069440~~000000% 10.~~129537~~206725% 0.~~487101~~000000% 20.~~123376~~206725% 180 Days 0.~~223214~~467290% 0.~~000000~~467290% 01.~~669643~~168224% 01.~~223214~~168224% 13.~~116071~~271028% 0.~~086423~~242838% 0.~~000000~~476327% 0.~~181015~~498749% 0.~~389918~~910440% 02.~~657355~~128354% Totals 3.~~571429~~738318% 0.~~446429~~934579% 4.~~241071~~205607% 01.~~669643~~168224% 810.~~928571~~046729% 3.~~208059~~527050% 0.~~183852~~645790% 3.~~733524~~779874% 0.~~877018~~910440% 8.~~002453~~863154%

COLLATERAL STATEMENT Collateral Description Mixed Fixed & Arm Weighted Average Gross Coupon 8.~~061417~~055178% Weighted Average Net Coupon 7.~~249361~~555178% Weighted Average Pass-Through Rate 7.~~242861~~237940% Weighted Average Maturity(Stepdown Calculation ) 1 Beginning Scheduled Collateral Loan Count 5,~~672~~529 Number Of Loans Paid In Full ~~143~~185 Ending Scheduled Collateral Loan Count 5,~~529~~344 Beginning Scheduled Collateral Balance ~~833~~810,~~534~~038,~~215~~903.6039 Ending Scheduled Collateral Balance ~~810~~777,~~038~~090,~~903~~730.3940 Ending Actual Collateral Balance at 3130-~~Aug~~Sep-2003 ~~810~~777,~~746~~794,~~837~~042.1978 Monthly P &I Constant 6,~~279~~104,~~493~~983.8776 Special Servicing Fee 0.00 Prepayment Penalties 0.00 Realized Loss Amount ~~905~~96,056.5083 Cumulative Realized Loss 89185,~~160~~217.4932 Ending Scheduled Balance for Premium Loans ~~810~~777,~~038~~090,~~903~~730.3940 Scheduled Principal ~~679~~667,~~937~~477.9066 Unscheduled Principal 2232,~~815~~280,~~374~~695.3133

Miscellaneous Reporting Monthly Excess Cashflow 2,~~593~~437,~~426~~503.4832 Overcollateralization Amount 7,069,245.00 Overcollateralization Deficiency 0.00 Aggregate Overcollateralization Release 0.00 Targeted Overcollateralization Amount 7,069,245.00

Group Level Collateral Statement Group 1 2 3 Collateral Description Mixed Fixed Mixed ARM Mixed Fixed Weighted Average Coupon Rate 7.~~819351~~809489 8.~~316398~~314705 7.~~831085~~818511 Weighted Average Net Rate 7.~~319351~~309489 7.~~816398~~814705 7.~~331085~~318511 Weighted Average Maturity ~~340~~339 ~~340~~339 ~~320~~319 Beginning Loan Count ~~752~~740 3,~~172~~089 1,~~284~~252 Loans Paid In Full 1225 83107 3233 Ending Loan Count ~~740~~715 32,~~089~~982 1,~~252~~219 Beginning Scheduled Balance 8281,~~398~~264,~~610~~446.8705 ~~444~~431,~~395~~066,~~229~~023.0818 ~~173~~168,~~846~~449,~~287~~023.33 Ending scheduled Balance 8177,~~264~~274,~~446~~409.0546 ~~431~~413,~~066~~368,~~023~~269.1839 ~~168~~162,~~449~~931,~~023~~197.3365 Record Date 0809/3130/2003 0809/3130/2003 0809/3130/2003 Principal And Interest Constant ~~627~~618,~~335~~242.0395 3,~~391~~291,~~518~~805.2122 1,~~310~~271,~~984~~506.4327 Scheduled Principal 9089,~~415~~381.3146 ~~311~~304,~~711~~982.7284 ~~176~~173,~~480~~989.2718 Unscheduled Principal 13,~~043~~900,~~749~~655.51 13 17,~~017~~392,~~494~~770.1895 5,~~220~~343,~~783~~836.7350 Scheduled Interest ~~536~~528,~~919~~861.7249 32,~~079~~986,~~806~~822.4938 1,~~134~~097,~~504~~517.1609 Servicing Fees 3433,~~332~~860.7521 ~~185~~179,~~164~~610.7080 7270,~~435~~187.9309 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 9,~~244~~080.8622 ~~161~~157,~~684~~584.3537 2827,~~436~~267.4984 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 ~~493~~485,~~342~~921.1106 2,~~732~~649,~~957~~627.4421 1,~~033~~000,~~631~~062.7416 Realized Loss Amount 0.00 ~~895~~0.00 1074,710.5086 Cumulative Realized Loss 0.00 88,800.97 ~~359~~75,070.5238 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.~~184714~~175405 7.~~379802~~376022 7.~~134798~~124260

Group Level Collateral Statement Group 4 Total Collateral Description Mixed ARM Mixed Fixed & Arm Weighted Average Coupon Rate 7.~~660166~~652566 8.~~061417~~055178 Weighted Average Net Rate 7.~~160166~~152566 7.~~249361~~555178 Weighted Average Maturity ~~320~~319 1 Beginning Loan Count ~~464~~448 5,~~672~~529 Loans Paid In Full 1620 ~~143~~185 Ending Loan Count ~~448~~428 5,~~529~~344 Beginning Scheduled Balance ~~132~~129,~~894~~259,~~088~~410.3283 ~~833~~810,~~534~~038,~~215~~903.6039 Ending scheduled Balance ~~129~~123,~~259~~516,~~410~~853.8390 ~~810~~777,~~038~~090,~~903~~730.3940 Record Date 0809/3130/2003 0809/3130/2003 Principal And Interest Constant ~~949~~923,~~656~~429.2032 6,~~279~~104,~~493~~983.8776 Scheduled Principal ~~101~~99,~~330~~124.6018 ~~679~~667,~~937~~477.9066 Unscheduled Principal 35,~~533~~643,~~346~~432.8975 2232,~~815~~280,~~374~~695.3133 Scheduled Interest ~~848~~824,~~325~~305.6014 5,~~599~~437,~~555~~506.9710 Servicing Fees 5553,~~372~~858.5409 ~~347~~337,~~305~~516.9219 Master Servicing Fees 0.00 0.00 Trustee Fee 0.00 0.00 FRY Amount 0.00 0.00 Special Hazard Fee 0.00 0.00 Other Fee 2120,~~907~~213.3305 ~~221~~214,~~273~~145.0348 Pool Insurance Fee 0.00 0.00 Spread Fee 1 0.00 0.00 Spread Fee 2 0.00 0.00 Spread Fee 3 0.00 0.00 Net Interest ~~771~~750,~~045~~234.7300 54,~~030~~885,~~977~~844.0243 Realized Loss Amount 021,345.0097 ~~905~~96,056.5083 Cumulative Realized Loss 021,345.0097 89185,~~160~~217.4932 Percentage of Cumulative Losses 0.00 0.00 Prepayment Penalties 0.00 0.00 Special Servicing Fee 0.00 0.00 Pass-Through Rate 6.~~962348~~964915 7.~~242861~~237940

Filing Compare · STRUCTURED ASSET INVESTMENT LOAN TRUST 2003-BC1