8-K 1 sai03bc7.txt AUGUST 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): August 25, 2003 STRUCTURED ASSET INVESTMENT LOAN TRUST Mortgage Pass-Through Certificates, Series 2003-BC7 Trust (Exact name of registrant as specified in its charter) New York (governing law of 333-102489-18 Pooling and Servicing Agreement) (Commission 54-2121805 (State or other File Number) 54-2121806 jurisdiction 54-2121807 of Incorporation) 54-2121808 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 August 25, 2003 a distribution was made to holders of STRUCTURED ASSET INVESTMENT LOAN TRUST, Mortgage Pass-Through Certificates, Series 2003-BC7 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-BC7 Trust, relating to the August 25, 2003 distribution. Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. STRUCTURED ASSET INVESTMENT LOAN TRUST Mortgage Pass-Through Certificates, Series 2003-BC7 Trust By: Wells Fargo Bank Minnesota, N.A., as Securities Administrator By: /s/ Beth Belfield, Assistant Vice President By: Beth Belfield, Assistant Vice President Date: 9/8/03 INDEX TO EXHIBITS Exhibit Number Description EX-99.1 Monthly report distributed to holders of Mortgage Pass-Through Certificates, Series 2003-BC7 Trust, relating to the August 25, 2003 distribution. EX-99.1

~~SECURITIES~~Structured ~~AND~~Asset ~~EXCHANGE~~Investment ~~COMMISSION~~Loan Trust Mortgage Pass-Through Certificates Record Date: 7/31/03 Distribution Date: 8/25/03 SAIL Series: 2003-BC7 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 86358ECS3 SEN 1.23000% 261,668,000.00 277,150.02 3,716,601.55 1A2 86358ECT1 SEN 1.91000% 194,269,000.00 309,211.49 0.00 2A 86358ECU8 SEN 1.84000% 205,321,000.00 314,825.53 4,008,496.18 3A1 86358ECV6 SEN 1.23000% 110,141,000.00 116,657.68 6,645,461.75 3A2 86358ECW4 SEN 2.12200% 84,900,000.00 150,131.50 0.00 AIO 86358ECX2 IO 6.00000% 0.00 1,662,225.00 0.00 M1 86358ECY0 MEZ 1.85000% 57,926,000.00 92,279.34 0.00 M2 86358ECZ7 MEZ 2.85000% 45,333,000.00 111,254.74 0.00 M3 86358EDA1 MEZ 3.25000% 12,593,000.00 35,242.91 0.00 M4 86358EDB9 MEZ 4.10000% 12,593,000.00 44,460.29 0.00 M5 86358EDC7 MEZ 4.10000% 7,556,000.00 26,676.88 0.00 B 86358EDD5 SEN 4.10000% 8,563,000.00 30,232.15 0.00 X SAI03BC7X SEN 0.00000% 6,547,363.15 2,675,693.94 0.00 P SAI03BC7P SEN 0.00000% 100.00 96,249.59 0.00 R1 SAI03B7R1 SEN 0.00000% 0.00 0.00 0.00 R2 SAI03B7R2 SEN 0.00000% 0.00 0.00 0.00 R3 SAI03B7R3 SEN 0.00000% 0.00 0.00 0.00 R4 SEN 0.00000% 0.00 0.00 0.00 Totals 1,007,410,463.15 5,942,291.06 14,370,559.48

~~Washington~~Certificateholder Distribution Summary (continued) Current Ending Cumulative Realized Certificate Total Realized Class Loss Balance Distribution Losses 1A1 0.00 257,951,398.45 D3,993,751.C57 0. ~~20549~~00 1A2 0.00 194,269,000.00 309,211.49 0.00 2A 0.00 201,312,503.82 4,323,321.71 0.00 3A1 0.00 103,495,538.25 6,762,119.43 0.00 3A2 0.00 84,900,000.00 150,131.50 0.00 AIO 0.00 0.00 1,662,225.00 0.00 M1 0.00 57,926,000.00 92,279.34 0.00 M2 0.00 45,333,000.00 111,254.74 0.00 M3 0.00 12,593,000.00 35,242.91 0.00 M4 0.00 12,593,000.00 44,460.29 0.00 M5 0.00 7,556,000.00 26,676.88 0.00 B 0.00 8,563,000.00 30,232.15 0.00 X 0.00 6,547,363.15 2,675,693.94 0.00 P 0.00 100.00 96,249.59 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 R4 0.00 0.00 0.00 0.00 Totals 0.00 993,039,903.67 20,312,850.54 0.00 All distributions required by the Pooling and Servicing Agreement have been calculated by the Certificate Administrator on behalf of the Trustee.

~~FORM~~Principal Distribution Statement Original Beginning Scheduled Unscheduled Face Certificate Principal Principal Realized Class Amount Balance Distribution Distribution Accretion Loss (1) 1A1 261,668,000.00 261,668,000.00 0.00 3,716,601.55 0.00 0.00 1A2 194,269,000.00 194,269,000.00 0.00 0.00 0.00 0.00 2A 205,321,000.00 205,321,000.00 0.00 4,008,496.18 0.00 0.00 3A1 110,141,000.00 110,141,000.00 0.00 6,645,461.75 0.00 0.00 3A2 84,900,000.00 84,900,000.00 0.00 0.00 0.00 0.00 AIO 0.00 0.00 0.00 0.00 0.00 0.00 M1 57,926,000.00 57,926,000.00 0.00 0.00 0.00 0.00 M2 45,333,000.00 45,333,000.00 0.00 0.00 0.00 0.00 M3 12,593,000.00 12,593,000.00 0.00 0.00 0.00 0.00 M4 12,593,000.00 12,593,000.00 0.00 0.00 0.00 0.00 M5 7,556,000.00 7,556,000.00 0.00 0.00 0.00 0.00 B 8-K,563,000.00 8,563,000.00 0.00 0.00 0.00 0.00 X 6,547,363.15 6,547,363.15 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 R4 0.00 0.00 0.00 0.00 0.00 0.00 Totals 1,007,410,463.15 1,007,410,463.15 0.00 14,370,559.48 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.

~~CURRENT~~Principal ~~REPORT~~Distribution Statement (continued) Total Ending Ending Total Principal Certificate Certificate Principal Class Reduction Balance Percentage Distribution 1A1 3,716,601.55 257,951,398.45 0.98579650 3,716,601.55 1A2 0.00 194,269,000.00 1.00000000 0.00 2A 4,008,496.18 201,312,503.82 0.98047693 4,008,496.18 3A1 6,645,461.75 103,495,538.25 0.93966405 6,645,461.75 3A2 0.00 84,900,000.00 1.00000000 0.00 AIO 0.00 0.00 0.00000000 0.00 M1 0.00 57,926,000.00 1.00000000 0.00 M2 0.00 45,333,000.00 1.00000000 0.00 M3 0.00 12,593,000.00 1.00000000 0.00 M4 0.00 12,593,000.00 1.00000000 0.00 M5 0.00 7,556,000.00 1.00000000 0.00 B 0.00 8,563,000.00 1.00000000 0.00 X 0.00 6,547,363.15 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 R4 0.00 0.00 0.00000000 0.00 Totals 14,370,559.48 993,039,903.67 0.98573515 14,370,559.48

~~PURSUANT~~Principal TODistribution ~~SECTION~~Factors 13Statement OROriginal Beginning Scheduled Unscheduled Face Certificate Principal Principal Class (2) Amount Balance Distribution Distribution Accretion 1A1 261,668,000.00 1000.00000000 0.00000000 14.20350043 0.00000000 1A2 194,269,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 2A 205,321,000.00 1000.00000000 0.00000000 19.52306963 0.00000000 3A1 110,141,000.00 1000.00000000 0.00000000 60.33594892 0.00000000 3A2 84,900,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 AIO 0.00 0.00000000 0.00000000 0.00000000 0.00000000 M1 57,926,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 M2 45,333,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 M3 12,593,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 M4 12,593,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 M5 7,556,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 B 8,563,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 X 6,547,363.15 1000.00000000 0.00000000 0.00000000 0.00000000 P 100.00 1000.00000000 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 R4 0.00 0.00000000 0.00000000 0.00000000 0.00000000 (d2) OFAll ~~THE~~classes are per 1,000 denomination.

~~SECURITIES~~Principal ~~AND~~Distribution ~~EXCHANGE~~Factors ~~ACT~~Statement OF(continued) ~~1934~~Total Ending Ending Total Realized Principal Certificate Certificate Principal Class Loss (3) Reduction Balance Percentage Distribution 1A1 0.00000000 14.20350043 985.79649957 0.98579650 14.20350043 1A2 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 2A 0.00000000 19.52306963 980.47693037 0.98047693 19.52306963 3A1 0.00000000 60.33594892 939.66405108 0.93966405 60.33594892 3A2 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 AIO 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 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 0.00000000 1,000.00000000 1.00000000 0.00000000 P 0.00000000 0.00000000 1,000.00000000 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 R4 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 (3) Amount Does Not Include Excess Special Hazard, Bankrupcy, or Fraud Losses Unless Otherwise Disclosed. Please Refer to the Prospectus Supplement for a Full Description.

~~Date~~Interest ofDistribution ~~Report~~Statement ~~(Date~~Beginning Payment of ~~earliest~~Original ~~event~~Current ~~reported)~~Certificate/ Current Unpaid Current Face Certificate Notional Accrued Interest Interest Class Amount Rate Balance Interest Shortfall Shortfall 1A1 261,668,000.00 1.23000% 261,668,000.00 277,150.02 0.00 0.00 1A2 194,269,000.00 1.91000% 194,269,000.00 309,211.49 0.00 0.00 2A 205,321,000.00 1.84000% 205,321,000.00 314,825.53 0.00 0.00 3A1 110,141,000.00 1.23000% 110,141,000.00 116,657.68 0.00 0.00 3A2 84,900,000.00 2.12200% 84,900,000.00 150,131.50 0.00 0.00 AIO 0.00 6.00000% 332,445,000.00 1,662,225.00 0.00 0.00 M1 57,926,000.00 1.85000% 57,926,000.00 92,279.34 0.00 0.00 M2 45,333,000.00 2.85000% 45,333,000.00 111,254.74 0.00 0.00 M3 12,593,000.00 3.25000% 12,593,000.00 35,242.91 0.00 0.00 M4 12,593,000.00 4.10000% 12,593,000.00 44,460.29 0.00 0.00 M5 7,556,000.00 4.10000% 7,556,000.00 26,676.88 0.00 0.00 B 8,563,000.00 4.10000% 8,563,000.00 30,232.15 0.00 0.00 X 6,547,363.15 0.00000% 6,547,363.15 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 R4 0.00 0.00000% 0.00 0.00 0.00 0.00 Totals 1,007,410,463.15 3,170,347.53 0.00 0.00

~~July~~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 0.00 277,150.02 0.00 257,951,398.45 1A2 0.00 0.00 309,211.49 0.00 194,269,000.00 2A 0.00 0.00 314,825.53 0.00 201,312,503.82 3A1 0.00 0.00 116,657.68 0.00 103,495,538.25 3A2 0.00 0.00 150,131.50 0.00 84,900,000.00 AIO 0.00 0.00 1,662,225.00 0.00 332,445,000.00 M1 0.00 0.00 92,279.34 0.00 57,926,000.00 M2 0.00 0.00 111,254.74 0.00 45,333,000.00 M3 0.00 0.00 35,242.91 0.00 12,593,000.00 M4 0.00 0.00 44,460.29 0.00 12,593,000.00 M5 0.00 0.00 26,676.88 0.00 7,556,000.00 B 0.00 0.00 30,232.15 ~~2003~~0.00 8,563,000.00 X 0.00 0.00 2,675,693.94 0.00 6,547,363.15 P 0.00 0.00 96,249.59 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 R4 0.00 0.00 0.00 0.00 0.00 Totals 0.00 0.00 5,942,291.06 0.00 (4) Amount Does Not Include Excess Special Hazard, Bankrupcy, or Fraud Losses Unless Otherwise Disclosed. Please Refer to the Prospectus Supplement for a Full Description.

~~STRUCTURED~~Interest ~~ASSET~~Distribution ~~SECURITIES~~Factors ~~CORPORATION~~Statement Beginning Payment of Original Current Certificate/ Current Unpaid Current Face Certificate Notional Accrued Interest Interest Class (as5) ~~Depositor~~Amount ~~under~~Rate ~~the~~Balance ~~Trust~~Interest ~~Agreement~~Shortfall ~~dated~~Shortfall as1A1 of261,668,000.00 ~~July~~1.23000% 1000.00000000 1.05916665 0.00000000 0.00000000 1A2 194,269,000.00 ~~2003~~1.91000% 1000.00000000 1.59166666 0.00000000 0.00000000 2A 205,321,000.00 ~~providing~~1.84000% ~~for~~1000.00000000 ~~the~~1.53333332 ~~issuance~~0.00000000 of0.00000000 ~~Structured~~3A1 ~~Asset~~110,141,000.00 ~~Investment~~1.23000% ~~Loan~~1000.00000000 ~~Trust~~1.05916670 ~~Mortgage~~0.00000000 ~~Pass-Through~~0.00000000 ~~Certificates~~3A2 84,900,000.00 ~~Series~~2.12200% ~~2003-BC7~~1000.00000000 1.76833333 0.00000000 0.00000000 AIO 0.00 6.00000% 1000.00000000 5.00000000 0.00000000 0.00000000 M1 57,926,000.00 1.85000% 1000.00000000 1.59305562 0.00000000 0.00000000 M2 45,333,000.00 2.85000% 1000.00000000 2.45416672 0.00000000 0.00000000 M3 12,593,000.00 3.25000% 1000.00000000 2.79861113 0.00000000 0.00000000 M4 12,593,000.00 4.10000% 1000.00000000 3.53055586 0.00000000 0.00000000 M5 7,556,000.00 4.10000% 1000.00000000 3.53055585 0.00000000 0.00000000 B 8,563,000.00 4.10000% 1000.00000000 3.53055588 0.00000000 0.00000000 X 6,547,363.15 0.00000% 1000.00000000 0.00000000 0.00000000 0.00000000 P 100.00 0.00000% 1000.00000000 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 R4 0.00 0.00000% 0.00000000 0.00000000 0.00000000 0.00000000 (5) All classes are per $1,000 denomination.

~~Structured~~Interest ~~Asset~~Distribution ~~Securities~~Factors ~~Corporation~~ 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 1.05916665 0.00000000 985.79649957 1A2 0.00000000 0.00000000 1.59166666 0.00000000 1000.00000000 2A 0.00000000 0.00000000 1.53333332 0.00000000 980.47693037 3A1 0.00000000 0.00000000 1.05916670 0.00000000 939.66405108 3A2 0.00000000 0.00000000 1.76833333 0.00000000 1000.00000000 AIO 0.00000000 0.00000000 5.00000000 0.00000000 1000.00000000 M1 0.00000000 0.00000000 1.59305562 0.00000000 1000.00000000 M2 0.00000000 0.00000000 2.45416672 0.00000000 1000.00000000 M3 0.00000000 0.00000000 2.79861113 0.00000000 1000.00000000 M4 0.00000000 0.00000000 3.53055586 0.00000000 1000.00000000 M5 0.00000000 0.00000000 3.53055585 0.00000000 1000.00000000 B 0.00000000 0.00000000 3.53055588 0.00000000 1000.00000000 X 0.00000000 0.00000000 408.66740987 0.00000000 1000.00000000 P 0.00000000 0.00000000 962495.90000000 0.00000000 1000.00000000 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 R4 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 (6) Amount Does Not Include Excess Special Hazard, Bankrupcy,or Fraud Losses Unless Otherwise Disclosed. Please Refer to the Prospectus Supplement for a Full Description.

CERTIFICATEHOLDER ACCOUNT STATEMENT CERTIFICATE ACCOUNT Beginning Balance 0.00 Deposits Payments of Interest and Principal 21,138,485.32 Liquidations, Insurance Proceeds, Reserve Funds 0.00 Proceeds from Repurchased Loans 0.00 Other Amounts (~~Exact~~Servicer ~~Name~~Advances) 0.00 Realized Loss (Gains, Subsequent Expenses & Recoveries) 0.00 Prepayment Penalties 0.00 Total Deposits 21,138,485.32 Withdrawals Reimbursement for Servicer Advances 0.00 Payment of ~~Registrant~~Service asFee ~~Specified~~825,634.78 inPayment ~~its~~of ~~Charter~~Interest and Principal 20,312,850.54 Total Withdrawals (Pool Distribution Amount) 21,138,485.32 Ending Balance 0.00

Delaware	333-102489	74-2440850
(State or Other Jurisdiction Of Incorporation)	(Commission File Number)	(I.R.S. Employer Identification No.)

~~745~~SERVICING ~~Seventh~~FEES ~~Avenue~~Gross Servicing Fee 419,754.37 ~~7th~~Credit ~~Floor~~Risk ~~New~~Manager's ~~York~~Fee 12,592.63 ~~New~~PMI ~~York~~Insurance ~~10019~~Premium ~~(Zip~~Fee ~~Code)~~388,040.90 ~~(Address~~Wells ofFargo ~~Principal~~Bank ~~Executive~~Minnesota, ~~Offices)~~N.A. 5,246.88 Supported Prepayment/Curtailment Interest Shortfall 0.00 Net Servicing Fee 825,634.78

~~Registrant’s~~OTHER ~~telephone~~ACCOUNTS ~~number~~Beginning Current Current Ending Account Type Balance Withdrawals Deposits Balance Reserve Fund 1,000.00 ~~including~~0.00 ~~area~~0.00 ~~code: (212)~~1,000.00 ~~526-7000~~Financial Guaranty 0.00 0.00 0.00 0.00

~~None~~ 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 4 0 0 4 324,787.64 0.00 0.00 324,787.64 30 Days 42 0 0 0 42 5,024,183.46 0.00 0.00 0.00 5,024,183.46 60 Days 20 0 0 0 20 3,041,640.49 0.00 0.00 0.00 3,041,640.49 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 62 4 0 0 66 8,065,823.95 324,787.64 0.00 0.00 8,390,611.59 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 0.059943% 0.000000% 0.000000% 0.059943% 0.032687% 0.000000% 0.000000% 0.032687% 30 Days 0.629402% 0.000000% 0.000000% 0.000000% 0.629402% 0.505634% 0.000000% 0.000000% 0.000000% 0.505634% 60 Days 0.299715% 0.000000% 0.000000% 0.000000% 0.299715% 0.306111% 0.000000% 0.000000% 0.000000% 0.306111% 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 0.929117% 0.059943% 0.000000% 0.000000% 0.989060% 0.811745% 0.032687% 0.000000% 0.000000% 0.844431%

Delinquency Status By Groups

DELINQUENT BANKRUPTCY FORECLOSURE REO Total 1(~~Former~~A) ~~Name~~No orof ~~Former~~Loans ~~Address~~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 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 60 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 90 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 120 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 150 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 180 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 Totals 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 60 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 90 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 120 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 150 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 180 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% Totals 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 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 0 0 0 0 0.00 0.00 0.00 0.00 30 Days 1 0 0 0 1 192,100.00 if0.00 ~~Changed~~0.00 ~~Since~~0.00 ~~Last~~192,100.00 ~~Report~~60 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 90 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 120 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 150 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 180 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 Totals 1 0 0 0 1 192,100.00 0.00 0.00 0.00 192,100.00 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 0.039063% 0.000000% 0.000000% 0.000000% 0.039063% 0.051098% 0.000000% 0.000000% 0.000000% 0.051098% 60 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 90 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 120 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 150 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 180 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% Totals 0.039063% 0.000000% 0.000000% 0.000000% 0.039063% 0.051098% 0.000000% 0.000000% 0.000000% 0.051098% 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 1 0 0 1 87,909.38 0.00 0.00 87,909.38 30 Days 3 0 0 0 3 143,129.23 0.00 0.00 0.00 143,129.23 60 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 90 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 120 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 150 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 180 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 Totals 3 1 0 0 4 143,129.23 87,909.38 0.00 0.00 231,038.61 0-29 Days 0.306748% 0.000000% 0.000000% 0.306748% 0.247664% 0.000000% 0.000000% 0.247664% 30 Days 0.920245% 0.000000% 0.000000% 0.000000% 0.920245% 0.403233% 0.000000% 0.000000% 0.000000% 0.403233% 60 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 90 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 120 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 150 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 180 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% Totals 0.920245% 0.306748% 0.000000% 0.000000% 1.226994% 0.403233% 0.247664% 0.000000% 0.000000% 0.650897% 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 1 0 0 1 69,957.92 0.00 0.00 69,957.92 30 Days 18 0 0 0 18 2,337,742.92 0.00 0.00 0.00 2,337,742.92 60 Days 1 0 0 0 1 183,373.13 0.00 0.00 0.00 183,373.13 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 19 1 0 0 20 2,521,116.05 69,957.92 0.00 0.00 2,591,073.97 0-29 Days 0.069832% 0.000000% 0.000000% 0.069832% 0.034604% 0.000000% 0.000000% 0.034604% 30 Days 1.256983% 0.000000% 0.000000% 0.000000% 1.256983% 1.156331% 0.000000% 0.000000% 0.000000% 1.156331% 60 Days 0.069832% 0.000000% 0.000000% 0.000000% 0.069832% 0.090703% 0.000000% 0.000000% 0.000000% 0.090703% 90 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 120 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 150 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 180 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% Totals 1.326816% 0.069832% 0.000000% 0.000000% 1.396648% 1.247034% 0.034604% 0.000000% 0.000000% 1.281637% 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 2 166,920.34 0.00 0.00 166,920.34 30 Days 13 0 0 0 13 964,815.84 0.00 0.00 0.00 964,815.84 60 Days 8 0 0 0 8 670,455.77 0.00 0.00 0.00 670,455.77 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 21 2 0 0 23 1,635,271.61 166,920.34 0.00 0.00 1,802,191.95 0-29 Days 0.257732% 0.000000% 0.000000% 0.257732% 0.180989% 0.000000% 0.000000% 0.180989% 30 Days 1.675258% 0.000000% 0.000000% 0.000000% 1.675258% 1.046134% 0.000000% 0.000000% 0.000000% 1.046134% 60 Days 1.030928% 0.000000% 0.000000% 0.000000% 1.030928% 0.726964% 0.000000% 0.000000% 0.000000% 0.726964% 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 2.706186% 0.257732% 0.000000% 0.000000% 2.963918% 1.773099% 0.180989% 0.000000% 0.000000% 1.954088% 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 0 0 0 0 0.00 0.00 0.00 0.00 30 Days 7 0 0 0 7 1,386,395.47 0.00 0.00 0.00 1,386,395.47 60 Days 11 0 0 0 11 2,187,811.59 0.00 0.00 0.00 2,187,811.59 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 18 0 0 0 18 3,574,207.06 0.00 0.00 0.00 3,574,207.06 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 1.776650% 0.000000% 0.000000% 0.000000% 1.776650% 1.060474% 0.000000% 0.000000% 0.000000% 1.060474% 60 Days 2.791878% 0.000000% 0.000000% 0.000000% 2.791878% 1.673489% 0.000000% 0.000000% 0.000000% 1.673489% 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 4.568528% 0.000000% 0.000000% 0.000000% 4.568528% 2.733964% 0.000000% 0.000000% 0.000000% 2.733964%

~~Item~~OTHER 5INFORMATION Current Period Class A Insufficient Funds 0. ~~Other~~00 ~~Events~~Principal Balance of Contaminated Properties 0.00 Periodic Advance 0.00

~~The~~COLLATERAL ~~Registrant~~STATEMENT ~~registered~~Collateral ~~issuances~~Description ofMixed ~~its~~Fixed ~~Structured~~& ~~Asset~~Arm ~~Investment~~Weighted ~~Loan~~Average ~~Trust~~Gross ~~Mortgage~~Coupon ~~Pass-Through~~7.947120% ~~Certificates~~Weighted ~~Series~~Average ~~2003-BC7~~Net onCoupon a6.984896% ~~delayed~~Weighted orAverage ~~continuous~~Pass-Through ~~basis~~Rate ~~pursuant~~6.978646% toWeighted ~~Rule~~Average ~~415~~Maturity(Stepdown ~~under~~Calculation ~~the~~) ~~Securities~~348 ~~Act~~Beginning ofScheduled ~~1933,~~Collateral asLoan ~~amended~~Count ~~(the “Act”)~~6,751 byNumber aOf ~~Registration~~Loans ~~Statement~~Paid onIn ~~Form~~Full ~~S-3~~78 ~~(Registration~~Ending ~~File~~Scheduled ~~No.~~Collateral ~~333-102489)~~Loan ~~(the~~Count ~~“Registration Statement”). Pursuant to the Registration Statement~~6,673 ~~the~~Beginning ~~Registrant~~Scheduled ~~issued~~Collateral $Balance 1,~~000~~007,~~863~~410,~~000~~563.15 ~~aggregate~~Ending ~~principal~~Scheduled ~~amount~~Collateral ofBalance ~~Class 1-A1~~993, ~~Class 1-A2~~039,903.67 ~~Class~~Ending ~~2-A,~~Actual ~~Class~~Collateral ~~3-A1,~~Balance ~~Class~~at 331-~~A2, Class A~~Jul-~~IO,~~2003 ~~Class M1~~993, ~~Class M2~~640,432.76 ~~Class~~Monthly ~~M3,~~P ~~Class~~&I ~~M4,~~Constant ~~Class M5 and Class B Certificates of its Structured Asset Investment Loan Trust Mortgage Pass-Through Certificates~~7,450,299.73 ~~Series~~Special ~~2003-BC7~~Servicing onFee ~~July 30, 2003~~0. ~~This~~00 ~~Current~~Prepayment ~~Report~~Penalties on0.00 ~~Form~~Realized ~~8-K~~Loss isAmount ~~being~~0.00 ~~filed~~Cumulative toRealized ~~satisfy~~Loss an0.00 ~~undertaking,~~Ending ~~contained~~Scheduled inBalance ~~the~~for ~~definitive~~Premium ~~Prospectus~~Loans ~~dated March 20~~993, ~~2003~~039,903.67 asScheduled ~~supplemented~~Principal ~~by the Prospectus Supplement dated July 28~~778,623.49 ~~2003~~Unscheduled ~~(the~~Principal ~~“Prospectus Supplement”)~~13, ~~to file a copy of the Trust Agreement (as defined below) and other operative agreements executed in connection with the issuance of the Certificates~~591, ~~a form of which was filed as an exhibit to the Registration Statement~~935.99

~~The~~Miscellaneous ~~Certificates~~Reporting ~~were~~Monthly ~~issued~~Excess ~~pursuant~~Cashflows ~~to a Trust Agreement (the “Trust Agreement”)~~2, ~~attached hereto as Exhibit 4.1~~675,693.94 ~~dated~~Overcollateralization asAmount ~~of July 1~~6, ~~2003~~547, ~~among Structured Asset Securities Corporation, as depositor, Aurora Loan Services Inc~~463.,15 asOvercollateralization ~~Master~~Deficiency ~~Servicer, The Murrayhill Company, as Credit Risk Manager, Wells Fargo Bank Minnesota, National Association, as Securities Administrator, and LaSalle Bank National Association, as Trustee~~0. ~~The~~00 ~~“Certificates”~~Aggregate ~~consist~~Overcollateralization ofRelease ~~the following classes: Class 1-A1, Class 1-A2, Class 2-A, Class 3-A1, Class 3-A2, Class A-IO, Class M1, Class M2, Class M3, Class M4, Class M5, Class B, Class P, Class X and Class R~~0. ~~The~~00 ~~Certificates~~Targeted ~~evidence~~Overcollateralization ~~all~~Amount ~~of the beneficial ownership interest in a trust fund (the “Trust Fund”) that consists primarily of three pools of certain conventional~~6, ~~first and second lien~~547, ~~fixed and adjustable rate, fully amortizing and balloon, residential mortgage loans (the “Mortgage Loans”) with an aggregate outstanding principal balance of $1,007,410,~~463 ~~as of July 1, 2003, together with certain other assets~~. ~~Capitalized~~15 ~~terms~~Cap ~~used~~Payment ~~herein and not otherwise defined shall have the meanings assigned to them in the Trust Agreement~~0.00

~~Item~~Group Level Collateral Statement Group 1(A) 1(B) 2(A) Collateral Description Mixed Fixed Mixed ARM Mixed Fixed Weighted Average Coupon Rate 7. ~~Financial~~623168 ~~Statements;~~7.773325 ~~Pro~~7.950887 ~~Forma~~Weighted ~~Financial~~Average ~~Information~~Net ~~and~~Rate ~~Exhibits~~7.157232 7.257549 7.550437 Weighted Average Maturity 350 350 349 Beginning Loan Count 1,194 2,578 329 Loans Paid In Full 9 18 3 Ending Loan Count 1,185 2,560 326 Beginning Scheduled Balance 158,224,888.17 378,171,235.37 35,737,507.98 Ending scheduled Balance 156,955,798.88 375,723,723.11 35,476,538.85 Record Date 07/31/2003 07/31/2003 07/31/2003 Principal And Interest Constant 1,163,686.67 2,725,924.89 271,304.00 Scheduled Principal 158,540.95 276,218.23 34,516.59 Unscheduled Principal 1,110,548.34 2,171,294.03 226,452.54 Scheduled Interest 1,005,145.72 2,449,706.66 236,787.41 Servicing Fees 65,927.00 157,571.37 14,890.63 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 46,632.94 183,036.07 7,193.36 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 892,585.78 2,109,099.22 214,703.42 Realized Loss Amount 0.00 0.00 0.00 Cumulative Realized Loss 0.00 0.00 0.00 Percentage of Cumulative Losses 0.00 0.00 0.00 Prepayment Penalties 0.00 0.00 0.00 Special Servicing Fee 0.00 0.00 0.00 Pass-Through Rate 6.769497 6.692521 7.209347

Group Level Collateral Statement Group 2(aB) 3(A) 3(B) Collateral Description Mixed ARM Mixed Fixed Mixed ARM Weighted Average Coupon Rate 8.341942 8.595939 7.746154 Weighted Average Net Rate 7.819386 8.281436 6.876088 Weighted Average Maturity 349 343 343 Beginning Loan Count 1,452 798 400 Loans Paid In Full 20 22 6 Ending Loan Count 1,432 776 394 Beginning Scheduled Balance 205,816,579.03 96,141,046.85 133,319,205.75 Ending scheduled Balance 202,069,051.98 92,171,229.32 130,643,561.53 Record Date 07/31/2003 07/31/2003 07/31/2003 Principal And Interest Constant 1,568,120.38 762,792.40 958,471.39 Scheduled Principal 137,362.05 74,106.89 97,878.78 Unscheduled Principal 3,610,165.00 3,895,710.64 2,577,765.44 Scheduled Interest 1,430,758.33 688,685.51 860,592.61 Servicing Fees 85,756.92 40,058.77 55,549.68 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 95,412.54 16,393.08 44,619.79 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 1,249,588.87 632,233.66 760,423.14 Realized Loss Amount 0.00 0.00 0.00 Cumulative Realized Loss 0.00 0.00 0.00 Percentage of Cumulative Losses 0.00 0.00 0.00 Prepayment Penalties 0.00 0.00 0.00 Special Servicing Fee 0.00 0.00 0.00 Pass-Through Rate 7.285645 7.891327 6.844534

~~Not~~Group ~~applicable~~Level Collateral Statement Group Total Collateral Description Mixed Fixed & Arm Weighted Average Coupon Rate 7.947120 Weighted Average Net Rate 6.984896 Weighted Average Maturity 348.00 Record Date 07/31/2003 Principal And Interest Constant 7,450,299.73 Beginning Loan Count 6,751 Loans Paid In Full 78 Ending Loan Count 6,673 Beginning Scheduled Balance 1,007,410,463.15 Ending Scheduled Balance 993,039,903.67 Scheduled Principal 778,623.49 Unscheduled Principal 13,591,935.99 Scheduled Interest 6,671,676.24 Servicing Fee 419,754.37 Master Servicing Fee 0.00 Trustee Fee 0.00 Fry Amount 0.00 Special Hazard Fee 0.00 Other Fee 393,287.78 Pool Insurance Fee 0.00 Spread 1 0.00 Spread 2 0.00 Spread 3 0.00 Net Interest 5,858,634.09 Realized Loss Amount 0.00 Cumulative Realized Loss 0.00 Percentage of Cumulative Losses 0.00 Prepayment Penalties 0.00 Special Servicing Fee 0.00 Pass-Through Rate 6.978646

(b)

Not applicable.

(c)

Exhibits:

1.1

Terms Agreement dated July 28, 2003, between Structured Asset Securities Corporation, as Depositor, and Lehman Brothers Inc., as Underwriter.

4.1

Trust Agreement dated as of July 1, 2003, among Structured Asset Securities Corporation, as Depositor, Aurora Loan Services Inc., as Master Servicer, The Murrayhill Company, as Credit Risk Manager, Wells Fargo Bank Minnesota, National Association, as Securities Administrator, and LaSalle Bank National Association, as Trustee.

99.1

Mortgage Loan Sale and Assignment Agreement dated as of July 1, 2003, between Lehman Brothers Holdings Inc., as Seller, and Structured Asset Securities Corporation, as Purchaser.

99.2

Securitization Servicing Agreement dated as of July 1, 2003, by and between Lehman Brothers Holdings Inc., as Seller, Aurora Loan Services Inc., as Master Servicer, and Ocwen Federal Bank FSB, as Servicer.

99.3

Subservicing Agreement dated as of July 1, 2003, among Lehman Brothers Holdings Inc., as Seller, Aurora Loan Services Inc., as Master Servicer, and Option One Mortgage Corporation, as Servicer.

99.4

Securitization Servicing Agreement dated as of July 1, 2003, among Lehman Brothers Holdings Inc., as Seller, Aurora Loan Services Inc., as Master Servicer, and Option One Mortgage Corporation, as Servicer.

99.5

Securitization Servicing Agreement, dated as of July 1, 2003, among Lehman Brothers Holdings Inc., as Seller, Aurora Loan Services Inc., as Master Servicer, and Wilshire Credit Corporation, as Servicer.

99.6

Reconstituted Servicing Agreement dated as of July 1, 2003, by and between Lehman Brothers Holdings Inc., as Seller, Aurora Loan Services Inc., as Master Servicer, and Wells Fargo Home Mortgage, Inc., as Servicer.

99.7

Mortgage Guaranty Insurance Corporation (“MGIC”), Master Policy (No. 12-670-4-3305), including (i) the Master Policy Declaration Page (form #71-70035 10/96); (ii) the Terms and Conditions (form #71-7135); (iii) Endorsements #71-70192 (8/01) and #71-70201 (10/01) and (iv) the MGIC Commitment Certificate (form #71-7239 2/03) covering certain first lien Mortgage Loans with original Loan-to-Value Ratios in excess of 80%.

SIGNATURES

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 SECURITIES

CORPORATION

By: /s/ Ellen V. Kiernan

Name: Ellen V. Kiernan

Title: Senior Vice President

Dated: July 30, 2003

EXHIBIT INDEX

Exhibit No.

Description

Page No.

1.1

Filing Compare · STRUCTURED ASSET INV LOAN MORT PASS THRU CER SER 2003-BC7