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~~December 2527, 2005

Structured Asset Securities Corporation (as Depositor under the Trust Agreement dated as of February 1, 2005, providing for the issuance of Structured Asset Securities Corporation Trust Mortgage Pass-Through Certificates, Series 2005-WMC1)
(Exact name of registrant as specified in its charter)

Delaware
(State or other jurisdiction
of incorporation)

333-120575
(Commission
File Number)

74-2440850
(IRS Employer
Identification No.)

745 Seventh Avenue, 7th Floor, New York, NY
(Address of principal executive offices)

10019
(Zip Code)

Registrant's telephone number, including area code 212-526-7000

(Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

[ ] Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

[ ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

[ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

[ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Section 8 - Other Events

Item 8.01. Other Events.

This current report on Form 8-K relates to the monthly distribution reported to the holders of Structured Asset Securities Corporation Mortgage Pass-Through Certificates, Series 2005-WMC1, which was made on ~~October~~December 2527, 2005.

Section 9 - Financial Statements and Exhibits

Item 9.01 Financial Statements and Exhibits.

(Exhibit No. Description) 99.1 Monthly distribution report pursuant to sectrion 4.03 of the Trust Agreement for the distribution on ~~October~~December 2527, 2005.

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.

LASALLE BANK NATIONAL ASSOCIATION, IN ITS CAPACITY AS TRUSTEE UNDER THE TRUST AGREEMENT ON BEHALF OF STRUCTURED ASSET SECURITIES CORPORATION, REGISTRANT

By: /s/ Russell Goldenberg Russell Goldenberg Group Senior Vice President Date: ~~October~~January 283, ~~2005~~2006

Structured Asset Securities Corporation Mortgage Pass-Through Certificates Series 2005-WMC1 ABN AMRO Acct: 722446.3 Reporting Package Table of Contents Payment Date:Prior Payment:Next Payment:Record Date: 2527-~~Oct~~Dec-~~0525~~0527-~~Oct~~Dec-05 2625-~~Sep~~Nov-05 25-~~Nov~~Jan-0506 2423-~~Oct~~Dec-05 Administrator: Peter Sablich 312.904.8162peter.sablich@abnamro.com Analyst: Dinsmore Sohn 714.259.6258 dinsmore.sohn@abnamro.com Statement Date: 135 S. LaSalle Street, Suite 1625Chicago, IL 60603USA Statements to CertificateholdersCash Reconciliation SummaryBond Interest ReconciliationBond Principal Reconciliation Shortfall Summary Report Swap Summary ReportAsset-Backed Facts ~ 15 Month Loan Status Summary Part I Asset-Backed Facts ~ 15 Month Loan Status Summary Part IIAsset-Backed Facts ~ 15 Month Loan Payoff/Loss SummaryRealized Loss Detail Page 2Page 3Page 4Page 5 Page 6 Page 7Page 8 Page 9Page 10 Page 11 Substitution Detail History Page 12 Page(s) Information is available for this issue from the following sources Issue Id: Monthly Data File Name: SAS5WMC1 ~~SAS5WMC1_200510_3~~SAS5WMC1_200512_3.ZIP Closing Date: First Payment Date: Rated Final Payment: Date: 11-Mar-0525-Mar-05 25-Jan-35 Parties to The Transaction Depositor: Structured Asset Securities Corporation Underwriter: Lehman Brothers Inc. Master Servicer: Aurora Loan Services LLC Rating Agency: Standard & Poor's/Moody's Investors Service, Inc. 800.246.5761 LaSalle Factor Line LaSalle Web Site Servicer Web Site www.alservices.com www.etrustee.net Page 1 of 12 2122-~~Oct~~Dec-2005 - 1409:4608 (U326-U341) (c) 2005 LaSalle Bank N.A. Class CUSIP Original Opening Principal Principal Negative Closing Interest Interest Pass-Through Per $ 1000 Per $ 1000 Per $ 1000 Per $ 1000 Per $ 1000 Per $ 1000 Per $ 1000 Next Rate(3) WAC:WAMM:Current Index:Next Index: Payment Date:Prior Payment:Next Payment:Record Date: 6.~~598760~~563510% 34.~~830000~~193750%4.~~037500~~378750% 2527-~~Oct~~Dec-~~0525~~0527-~~Oct~~Dec-05 2625-~~Sep~~Nov-05 25-~~Nov~~Jan-0506 2423-~~Oct~~Dec-05 Structured Asset Securities Corporation Mortgage Pass-Through Certificates Series 2005-WMC1 Face Value (1) Balance Payment Adj. or Loss Amortization Balance Payment (2) Adjustment Rate ~~327~~326 Distribution Statement Date: ABN AMRO Acct: 722446.3 ~~559~~406.~~708311447~~446735641 8469.~~997942517~~332008405 0.000000000 ~~474~~337.~~710368930~~114727237 1.~~762925695~~544045991 4.~~1175000000~~4587500000% 0.00 0.00 0.000000000 34.~~9100000000~~2737500000% 0.000000000 86359B6D8 A1 165,858,000.00 1411,~~097~~499,~~588~~268.7525 0.00 7855,~~734~~913,~~512~~174.3743 ~~292~~256,~~395~~092.3338 9267,~~832~~412,~~101~~442.1268 1000.000000000 0.000000000 0.000000000 1000.000000000 3.~~238333333~~896666667 4.~~2275000000~~5687500000% 0.00 0.00 0.000000000 4.~~0200000000~~3837500000% 0.000000000 86359B6E6 A2 77,442,000.00 0.00 0.00 77,442,000.00 ~~250~~301,~~783~~765.0166 77,442,000.00 1000.000000000 0.000000000 0.000000000 1000.000000000 34.~~343055720~~012222140 4.~~3575000000~~6987500000% 0.00 0.00 0.000000000 4.~~1500000000~~5137500000% 0.000000000 86359B6F3 A3 27,100,000.00 0.00 0.00 27,100,000.00 90108,~~596~~731.8122 27,100,000.00 1000.000000000 0.000000000 0.000000000 1000.000000000 34.~~431666444~~110000000 4.~~4675000000~~8087500000% 0.00 0.00 0.000000000 4.~~2600000000~~6237500000% 0.000000000 86359B6G1 M1 22,449,000.00 0.00 0.00 22,449,000.00 7792,~~037~~265.4839 22,449,000.00 1000.000000000 0.000000000 0.000000000 1000.000000000 34.~~649166575~~350000000 45.~~7375000000~~0787500000% 0.00 0.00 0.000000000 4.~~5300000000~~8937500000% 0.000000000 86359B6H9 M2 18,094,000.00 0.00 0.00 18,094,000.00 6678,~~028~~708.0290 18,094,000.00 1000.000000000 0.000000000 0.000000000 1000.000000000 34.~~745832412~~456665930 45.~~8575000000~~1987500000% 0.00 0.00 0.000000000 45.~~6500000000~~0137500000% 0.000000000 86359B6J5 M3 4,523,000.00 0.00 0.00 4,523,000.00 1620,~~942~~157.4050 4,523,000.00 1000.000000000 0.000000000 0.000000000 1000.000000000 4.~~172777388~~927777388 5.~~3875000000~~7287500000% 0.00 0.00 0.000000000 5.~~1800000000~~5193123633% 0.000000000 86359B6K2 M4 8,544,000.00 0.00 0.00 8,544,000.00 3542,~~652~~102.2193 8,544,000.00 1000.000000000 0.000000000 0.000000000 1000.000000000 45.~~696389040~~505556158 6.~~0375000000~~3787500000% 0.00 0.00 0.000000000 5.~~8300000000~~5193123633% 0.000000000 86359B6L0 M5 3,686,000.00 0.00 0.00 3,686,000.00 1720,~~310~~293.8948 3,686,000.00 1000.000000000 0.000000000 0.000000000 1000.000000000 5.~~099166081~~950000000 6.~~5375000000~~8787500000% 0.00 0.00 0.000000000 65.~~1308770436~~5193123633% 0.000000000 86359B6M8 M6 5,696,000.00 0.00 0.00 5,696,000.00 2933,~~044~~891.8520 5,696,000.00 1000.000000000 0.000000000 0.000000000 1000.000000000 5.~~099164179~~950000000 6.~~5375000000~~8787500000% 0.00 0.00 0.000000000 65.~~1308770436~~5193123633% 0.000000000 86359B6N6/U85985UA2 B 1,675,000.00 0.00 0.00 1,675,000.00 89,~~541~~966.1025 1,675,000.00 ~~788~~713.~~273035140~~467461029 0.000000000 0.000000000 ~~746~~679.~~815512922~~476200763 0.~~918204989~~627947038 0.00 0.00 0.000000000 1.~~9140865876~~0990780603% 0.000000000 N 9ABSU337 X 335,067,031.67 0.00 0.00 ~~250~~227,~~233~~670,~~257~~073.1268 ~~307~~210,~~660~~404.2235 ~~264~~239,~~124~~059,~~306~~424.0336 1000.000000000 0.000000000 0.000000000 1000.000000000 ~~3029249~~1841361.~~700000000~~800000000 0.00 0.00 0.000000000 N/A 0.000000000 9ABSU338 P 100.00 0.00 0.00 100.00 ~~302~~184,~~924~~136.9718 100.00 0.000000000 0.000000000 0.000000000 0.000000000 0.000000000 0.00 0.00 0.000000000 N/A 0.000000000 9ABSU341 R 0.00 0.00 0.00 0.00 0.00 0.00 Total P&I Payment 0.00 0.00 335,067,100.00 ~~262~~236,~~041~~621,~~201~~542.1268 1512,~~592~~857,~~506~~783.0469 Total ~~247~~225,~~943~~122,~~612~~274.3743 1411,~~097~~499,~~588~~268.7525 0.00 1,~~494~~358,~~917~~515.2944 2122-~~Oct~~Dec-2005 - 1409:4608 (U326-U341) (c) 2005 LaSalle Bank N.A. Page 2 of 12 Notes: (1) N denotes notional balance not included in total (2) Accrued Interest Plus/Minus Interest Adjustment Minus Deferred Interest equals Interest Payment (3) Estimated. * Denotes Controlling Class Structured Asset Securities Corporation Payment Date:Prior Payment:Next Payment:Record Date: 2527-~~Oct~~Dec-~~0525~~0527-~~Oct~~Dec-05 2625-~~Sep~~Nov-05 25-~~Nov~~Jan-0506 2423-~~Oct~~Dec-05 Mortgage Pass-Through Certificates Series 2005-WMC1 ABN AMRO Acct: 722446.3 Statement Date: Cash Reconciliation Summary Overcollateralization Deficiency Overcollateralization Amount Current Scheduled Interest Interest Summary Less Deferred Interest Plus Gross Advance Interest Less PPIS Reducing Scheduled Int 1,~~333~~155,~~112~~739.5771 0.000.00 Less Other Adjustment 0.00 TotalUnscheduled Interest:Prepayment Penalties ~~302~~184,~~924~~136.9718 Yield Maintenance Penalties 0.00 Other Interest Proceeds 0881.00 Total ~~302~~185,~~924~~017.9718 Less Fees & Expenses Paid By/To Servicer Less Fee Paid To Servicer Less Fee Strips Paid by Servicer PMI Amounts Interest Due Serv on Advances Recoup of Prior AdvancesMisc. Fees & Expenses Total Unscheduled Fees & Expenses Total Interest Due Trust Less Fees & Expenses Paid By/To TrustTrustee FeeCredit Risk Manager's FeesMisc. Fees Total Total Interest Due Certs Principal Summary Scheduled Principal:Current Scheduled PrincipalAdvanced Scheduled PrincipalScheduled PrincipalUnscheduled Principal:CurtailmentsPrepayments in FullLiquidation ProceedsRepurchase ProceedsOther Principal ProceedsTotal Unscheduled Principal Remittance Principal Remittance P&I Due Trust Remittance P&I Due Certs Pool Balance Summary Beginning PoolScheduled PrincipalUnscheduled PrincipalDeferred InterestLiquidationsRepurchases Ending Pool Balance Count Principal Interest Prior Outstanding Plus Current Period Less Recovered Ending Outstanding Servicing Fee Summary Current Servicing Fees Plus Fees Advanced for PPIS Less Reduction for PPISPlus Delinquent Servicing Fees Total Servicing Fees Overcollateralization Summary PPIS Summary Gross PPISReduced by PPIEReduced by Shortfalls in FeesReduced by Other AmountsPPIS Reducing Scheduled InterestPPIS Reducing Servicing Fee PPIS Due Certificate ) (6861,~~367~~961.02 0.000.00 ~~) (8,217.65~~ 0.00 ) (4635,~~129~~110.5148 0.000.000.00 0.00 4538,~~565~~574.2987 78,~~051~~845.0336 5247,~~616~~420.3223 96,~~451~~284.4067 1310,879,828.13 389,~~981~~357.1956 0.000.~~000.~~00 1311,~~838~~275,~~432~~470.~~5913~~3611,~~891~~322,~~048~~890.9159 1512,~~490~~680,~~203~~746.3356 1512,~~490~~680,~~203~~746.3356 ~~264~~239,~~124~~059,~~306~~424.0336 1,~~174~~061 5247,~~616~~420.3223 1310,~~838~~886,~~432~~112.5980 6050 0.~~000.~~00 0455,817.65 2 0.00 0 ~~250~~227,~~233~~670,~~257~~073.1268 1,~~114~~009 2523,~~329~~859.3995 ~~357~~340,~~097~~223.5593 78,~~051~~845.0336 ~~115~~147,~~820~~242.0186 1925,~~133~~813.2750 ~~307~~418,~~934~~263.8548 3833,~~206~~072.6028 0.00 0.00 34,~~478~~574.1779 4137,~~684~~647.7707 0.000.000.000.000.000.00 0.00 Advance Summary (Advance Made by Servicer) ) (3833,~~206~~072.6028 1,~~599~~357,~~154~~855.4297 Interest Not Advanced ( Current Period ) 0.00 ~~115~~147,~~820~~242.0186 Less Non Recovered ) (~~164~~69,~~982~~203.7130 ) (136,~~247~~891.1581 0.00 0.00 2,~~289~~547,~~744~~899.7525 21,~~105~~816,~~132~~816.9931 Other Principal Information Principal Remittance AmountOvercollateralization Release Amount 1311,~~891~~322,~~048~~890.9159 0.00 1311,~~891~~322,~~048~~890.9159 Principal Distribution Amount ) (3735,~~911~~110.8648 1,~~448~~302,~~932~~982.5956 1,~~599~~357,~~154~~855.4297 Page 3 of 12 2122-~~Oct~~Dec-2005 - 1409:4608 (U326-U341) (c) 2005 LaSalle Bank N.A. Structured Asset Securities Corporation Class Payment Date: Prior Payment:Next Payment: Record Date: 2527-~~Oct~~Dec-~~0525~~0527-~~Oct~~Dec-05 2625-~~Sep~~Nov-05 25-~~Nov~~Jan-0506 2423-~~Oct~~Dec-05 Mortgage Pass-Through Certificates Series 2005-WMC1 ABN AMRO Acct: 722446.3 Bond Interest Reconciliation Additions Accrual Method Days Statement Date: Accrued Certificate Interest Prior Int Carry-Fwd Shortfall Prior Shortfall Reimbursement Other Interest Proceeds Other InterestLosses Current Int Carry-Fwd Shortfall Remaining Int Carry-Fwd Shortfall Net Cap Rate in Effect Y/N Distributable Certificate Interest Interest Payment Amount Deductions Outstanding Deposits from YM Agreement Remaining Basis Risk Carry-Fwd Shortfall Current Basis Risk Carry-Fwd Shortfall 0.00 2932 ~~292~~256,~~395~~092.3338 ~~292~~256,~~395~~092.3338 Act/360 0.00 ~~292~~256,~~395~~092.3338 0.00 0.00 0.00 0.00 No A1 0.00 0.00 0.00 0.00 2932 ~~250~~301,~~783~~765.0166 ~~250~~301,~~783~~765.0166 Act/360 0.00 ~~250~~301,~~783~~765.0166 0.00 0.00 0.00 0.00 No A2 0.00 0.00 0.00 0.00 2932 90108,~~596~~731.8122 90108,~~596~~731.8122 Act/360 0.00 90108,~~596~~731.8122 0.00 0.00 0.00 0.00 No A3 0.00 0.00 0.00 0.00 2932 7792,~~037~~265.4839 7792,~~037~~265.4839 Act/360 0.00 7792,~~037~~265.4839 0.00 0.00 0.00 0.00 No M1 0.00 0.00 0.00 0.00 2932 6678,~~028~~708.0290 6678,~~028~~708.0290 Act/360 0.00 6678,~~028~~708.0290 0.00 0.00 0.00 0.00 No M2 0.00 0.00 0.00 0.00 2932 1620,~~942~~157.4050 1620,~~942~~157.4050 Act/360 0.00 1620,~~942~~157.4050 0.00 0.00 0.00 0.00 No M3 0.00 0.00 0.00 0.00 2932 3542,~~652~~102.2194 3542,~~652~~102.2193 Act/360 0.00 3541,~~652~~917.2134 0.00 0.00 0.00 0.00 NoYes M4 0185.0060 0.00 0.00 0.00 2932 1720,~~310~~293.8948 1720,~~310~~293.8948 Act/360 0.00 1718,~~310~~083.8972 0.00 0.00 0.00 0.00 NoYes M5 02,209.0076 0.00 0.00 0.00 2932 2933,~~044~~891.8520 2933,~~044~~891.8520 Act/360 0.00 2827,~~131~~944.1989 0.00 0.00 0.00 0.00 Yes M6 ~~913~~5,946.6631 0.00 0.00 0.00 2932 89,~~541~~966.1125 89,~~541~~966.1025 Act/360 0.00 8,~~272~~217.4364 0.00 0.00 0.00 0.00 Yes B ~~268~~1,748.6861 0.00 0.00 0.00 30 2,~~616~~535,~~002~~732.5581 ~~307~~210,~~660~~404.2235 30/360 2,~~194~~316,~~705~~778.2267 ~~421~~218,~~297~~954.3314 0.00 ~~113,637~~0.1100 0.00 2,~~308~~316,~~342~~778.3367 ~~0.00~~ No X 0.00 0.00 0.00 0.00 30 ~~302~~184,~~924~~136.9718 ~~302~~184,~~924~~136.9718 0.00 0.00 0.00 0.00 0.00 0.00 No P 0.00 0.00 0.00 0.00 110,~~182~~090.3428 2,~~194~~316,~~705~~778.2267 1,~~304~~172,~~447~~838.1078 3,~~803~~683,~~259~~843.6391 1,~~494~~358,~~917~~515.2944 0.00 ~~113,637~~0.1100 0.00 2,~~308~~316,~~342~~778.3367 0.00 0.00 ~~0.00~~ (2) Interest Carry-Forward Shortfall is unpaid interest with interest thereon(3) Basis Risk Carry-Forward Shortfall - difference between LIBOR plus margin and the Net Rate Cap. 2122-~~Oct~~Dec-2005 - 1409:4608 (U326-U341) (c) 2005 LaSalle Bank N.A. Page 4 of 12 (1) Other Interest Proceeds are additional interest amounts specifically allocated to the bond(s) and used in determining the bonds Distributable Interest. Structured Asset Securities Corporation Payment Date: Prior Payment:Next Payment: Record Date: 2527-~~Oct~~Dec-~~0525~~0527-~~Oct~~Dec-05 2625-~~Sep~~Nov-05 25-~~Nov~~Jan-0506 2423-~~Oct~~Dec-05 Mortgage Pass-Through Certificates Series 2005-WMC1 ABN AMRO Acct: 722446.3 Bond Principal Reconciliation Credit Support Original Current(4) Statement Date: Beginning Class Balance Unscheduled PrincipalPayment Extra Principal Payment Amt Prior Loss Reimburs. Rated Final Maturity Class Current Losses Original Class Balance Scheduled PrincipalPayment Ending Class Balance Cumulative Losses Interest on Losses Additions Losses 5.001.00 A1 NA NA 1/25/2035 7855,~~734~~913,~~512~~174.3743 0.00 0.00 9267,~~832~~412,~~101~~442.1268 165,858,000.00 1311,~~891~~322,~~048~~890.9159 0.00 0.00 ~~206~~176,~~539~~377.8466 0.00 A2 NA NA 1/25/2035 77,442,000.00 0.00 0.00 77,442,000.00 77,442,000.00 0.00 0.00 0.00 0.00 0.00 A3 NA NA 1/25/2035 27,100,000.00 0.00 0.00 27,100,000.00 27,100,000.00 0.00 0.00 0.00 0.00 0.00 M1 NA NA 1/25/2035 22,449,000.00 0.00 0.00 22,449,000.00 22,449,000.00 0.00 0.00 0.00 0.00 0.00 M2 NA NA 1/25/2035 18,094,000.00 0.00 0.00 18,094,000.00 18,094,000.00 0.00 0.00 0.00 0.00 0.00 M3 NA NA 1/25/2035 4,523,000.00 0.00 0.00 4,523,000.00 4,523,000.00 0.00 0.00 0.00 0.00 0.00 M4 NA NA 1/25/2035 8,544,000.00 0.00 0.00 8,544,000.00 8,544,000.00 0.00 0.00 0.00 0.00 0.00 M5 NA NA 1/25/2035 3,686,000.00 0.00 0.00 3,686,000.00 3,686,000.00 0.00 0.00 0.00 0.00 0.00 M6 NA NA 1/25/2035 5,696,000.00 0.00 0.00 5,696,000.00 5,696,000.00 0.00 0.00 0.00 0.00 0.00 B NA NA 1/25/2035 1,675,000.00 0.00 0.00 1,675,000.00 1,675,000.00 0.00 0.00 0.00 0.00 0.00 X NA NA 1/25/2035 ~~250~~227,~~233~~670,~~257~~073.1268 0.00 0.00 ~~264~~239,~~124~~059,~~306~~424.0336 335,067,031.67 0.00 0.00 0.00 0.00 0.00 P NA NA 1/25/2035 100.00 0.00 0.00 100.00 100.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 1311,~~891~~322,~~048~~890.9159 0.00 0.00 ~~206~~176,~~539~~377.8466 335,067,100.00 ~~247~~225,~~943~~122,~~612~~274.3743 ~~262~~236,~~041~~621,~~201~~542.1268 2122-~~Oct~~Dec-2005 - 1409:4608 (U326-U341) (c) 2005 LaSalle Bank N.A. Page 5 of 12 (1) Extra Principal Amounts: the lessor of (i) the excess, if any, of the overcollateralization Target Amount over the Overcollateralization Amount. Structured Asset Securities Corporation Payment Date:Prior Payment:Next Payment:Record Date: 2527-~~Oct~~Dec-~~0525~~0527-~~Oct~~Dec-~~0526-Sep-~~05 25-Nov-05 2425-~~Oct~~Jan-06 23-Dec-05 Mortgage Pass-Through Certificates Series 2005-WMC1 ABN AMRO Acct: 722446.3 Interest Adjustments Summary Statement Date 0.00 0.00 0.00 0.00 Special Servicing Fees Workout Fees Liquidation Fees Legal Fees 0.00 ~~8,217~~0.6500 Misc. Fees & Expenses Paid by/to Servicer Interest Paid to Servicer on Outstanding Advances 0.00 0.00 ASER Interest Advance Reduction Interest Not Advanced (Current Period) Recoup of Prior Advances by Servicer 0.00 0.00 Servicing Fees Paid Servicer on Loans Not Advanced Misc. Fees & Expenses Paid by Trust 0.00 0.00 0.00 Shortfall Due to Rate Modification Total Shortfall Allocated to the Bonds Total Interest Adjustment to the Bonds ~~8,217~~0.6500 Shortfall Allocated to the Bonds: Excess Allocated to the Bonds: Other Interest Proceeds Due the Bonds Yield Maintenance Penalties Due the Bonds Prepayment Penalties Due the Bonds Recovered ASER Interest Due the Bonds Recovered Interest Due the Bonds Less Total Shortfall Allocated to the Bonds Total Excess Allocated to the Bonds ~~302~~185,~~924~~017.9718 ~~302~~185,~~924~~017.9718 Total Excess Allocated to the Bonds ~~294~~185,~~707~~017.3218 ~~) (8,217~~0.6500 Aggregate Interest Adjustment Allocated to the Bonds 0.00 ~~302~~184,~~924~~136.9718 0.00 0.00 Prepayment Interest Excess Due the Bonds 0.00 ARD Excess Interest 0.00 0.00 0881.00 Net Prepayment Int. Shortfalls Allocated to the Bonds Other Interest Loss Interest Income 0.00 Page 6 of 12 2122-~~Oct~~Dec-2005 - 1409:4608 (U326-U341) (c) 2005 LaSalle Bank N.A. Structured Asset Securities Corporation Payment Date:Prior Payment:Next Payment:Record Date: 2527-~~Oct~~Dec-~~0525~~0527-~~Oct~~Dec-05 2625-~~Sep~~Nov-05 25-~~Nov~~Jan-0506 2423-~~Oct~~Dec-05 Mortgage Pass-Through Certificates Series 2005-WMC1 ABN AMRO Acct: 722446.3 SWAP Payments Statement Date: Net Swap payment payable to the Swap Counterparty Swap Termination payment payable to the Swap Counterparty ~~102~~177,~~302~~037.7214 0.00 0.000.00 Net Swap payment payable to the Supplemental Interest Trust Swap Termination payment payable to the Supplemental Interest Trust Page 7 of 12 2122-~~Oct~~Dec-2005 - 1409:4608 (U326-U341) (c) 2005 LaSalle Bank N.A. Structured Asset Securities Corporation Payment Date:Prior Payment:Next Payment:Record Date: 2527-~~Oct~~Dec-~~0525~~0527-~~Oct~~Dec-05 2625-~~Sep~~Nov-05 25-~~Nov~~Jan-0506 2423-~~Oct~~Dec-05 Mortgage Pass-Through Certificates Series 2005-WMC1 ABN AMRO Acct: 722446.3 Asset-Backed Facts ~ 15 Month Historical Loan Status Summary Part I Distribution Date REO # Balance Statement Date: Foreclosure Delinq 3+ Months Delinq 2 Months Delinq 1 Month Current # Balance # Balance # Balance # Balance # Balance Delinquency Aging Categories 1.68% 1.72% 1.78% 1.94% 15 1.49% 1,932,195 0.85% 1.59% 1.40% 0.40% 0.45% 27-Dec-05 17 3,911,540 18 4,426,532 16 3,187,288 4 1,030,420 939 213,182,099 93.06% 93.64% 2.36% 1.62% 1.51% 1.15% 10 0.94% 1,884,598 0.79% 0.94% 0.72% 0.47% 0.60% 25-Nov-05 25 3,873,118 16 2,743,856 10 1,725,843 5 1,430,425 995 227,401,585 93.78% 95.12% 2.33% 1.78% 0.99% 0.65% 11 0.99% 1,849,876 0.74% 0.63% 0.71% 0.27% 0.45% 25-Oct-05 26 4,450,508 11 1,618,462 7 1,775,193 3 1,115,200 1,056 239,424,018 94.79% 95.68% 1.70% 2.08% 0.60% 0.52% 8 0.68% 613,318 0.23% 0.94% 1.38% 0.09% 0.22% 26-Sep-05 20 5,500,470 7 1,368,185 11 3,632,279 1 590,095 1,127 252,419,958 96.00% 95.57% 1.53% 1.34% 0.97% 0.69% 7 0.56% 824,070 0.30% 0.65% 1.27% 0.00% 0.00% 25-Aug-05 19 3,727,414 12 1,908,307 8 3,544,512 0 0 1,193 268,424,631 96.29% 96.41% 1.86% 1.61% 0.23% 0.24% 6 0.47% 795,246 0.28% 0.47% 0.99% 0.00% 0.00% 25-Jul-05 24 4,625,725 3 678,929 6 2,856,467 0 0 1,249 278,352,994 96.97% 96.88% 1.49% 1.55% 0.67% 0.83% 2 0.15% 722,355 0.24% 0.22% 0.34% 0.00% 0.00% 27-Jun-05 20 4,674,994 9 2,506,136 3 1,035,900 0 0 1,309 292,091,652 97.47% 97.03% 1.31% 1.47% 0.07% 0.05% 1 0.07% 290,566 0.09% 0.29% 0.45% 0.00% 0.00% 25-May-05 18 4,528,516 1 145,733 4 1,380,563 0 0 1,347 301,843,231 98.25% 97.94% 0.21% 0.13% 0.07% 0.09% 0 0.00% 0 0.00% 0.00% 0.00% 0.00% 0.00% 25-Apr-05 3 405,759 1 290,773 0 0 0 0 1,409 318,460,238 99.72% 99.78% 0.00% 0.00% 0.00% 0.00% 0 0.00% 0 0.00% 0.00% 0.00% 0.00% 0.00% 25-Mar-05 0 0 0 0 0 0 0 0 1,443 326,095,563 100.00% 100.00% Page 8 of 12 2122-~~Oct~~Dec-2005 - 1409:4608 (U326-U341) (c) 2005 LaSalle Bank N.A. Structured Asset Securities Corporation Payment Date:Prior Payment:Next Payment:Record Date: 2527-~~Oct~~Dec-~~0525~~0527-~~Oct~~Dec-05 2625-~~Sep~~Nov-05 25-~~Nov~~Jan-0506 2423-~~Oct~~Dec-05 Mortgage Pass-Through Certificates Series 2005-WMC1 ABN AMRO Acct: 722446.3 Distribution Date Statement Date: Current 31 - 60 Days 61 - 90 Days 90 + Days # Balance # Balance # Balance # Balance Current 31 - 60 Days 61 - 90 Days 90 + Days # Balance # Balance # Balance # Balance In Foreclosure and Delinquent In Bankruptcy and Delinquent In REO and Delinquent Asset-Backed Facts ~ 15 Month Historical Loan Status Summary Part II Current # # # 31 - 60 Days 61 - 90 Days 90 + Days # Balance Balance Balance Balance 27-Dec-05 0 0 0 0 0 0 1 149,116 16 3,187,288 536,396 2 0.00% 0.00% 0.00% 0.00% 1.59% 1.40% 0.00% 0.00% 0.10% 0.07% 0.20% 0.24% 0.00% 0.00% 0.69% 0.38% 0 0 7 870,654 588,064 0 0 0 0 3 442,356 0.10% 0.00% 0.00% 0.30% 0.26% 0.00% 0.00% 0.19% 1 25-Nov-05 0 0 0 0 1 149,183 0 0 10 1,725,843 536,540 2 0.00% 0.00% 0.00% 0.00% 0.94% 0.72% 0.09% 0.06% 0.00% 0.00% 0.19% 0.22% 0.00% 0.00% 0.75% 0.46% 0 0 8 1,103,514 588,744 0 0 0 0 4 841,681 0.09% 0.00% 0.00% 0.38% 0.25% 0.00% 0.00% 0.35% 1 25-Oct-05 0 0 0 0 0 0 0 0 7 1,775,193 36,682 1 0.00% 0.00% 0.00% 0.00% 0.63% 0.71% 0.00% 0.00% 0.00% 0.00% 0.09% 0.01% 0.00% 0.00% 0.18% 0.18% 0 0 2 452,750 589,421 0 0 0 0 2 525,779 0.09% 0.00% 0.00% 0.18% 0.24% 0.00% 0.00% 0.21% 1 26-Sep-05 0 0 1 289,723 0 0 1 182,213 10 3,342,557 36,824 1 0.00% 0.00% 0.09% 0.11% 0.85% 1.27% 0.00% 0.00% 0.09% 0.07% 0.09% 0.01% 0.00% 0.00% 0.09% 0.09% 0 0 1 232,750 0 0 0 0 0 1 590,095 0.00% 0.00% 0.00% 0.09% 0.00% 0.00% 0.00% 0.22% 0 25-Aug-05 0 0 0 0 1 182,394 0 0 8 3,544,512 0 0 0.00% 0.00% 0.00% 0.00% 0.65% 1.27% 0.08% 0.07% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.08% 0.08% 0 0 1 232,750 0 0 0 0 0 0 0 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0 25-Jul-05 0 0 0 0 0 0 0 0 6 2,856,467 0 0 0.00% 0.00% 0.00% 0.00% 0.47% 0.99% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0 0 0 0 0 0 0 0 0 0 0 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0 27-Jun-05 0 0 3 1,035,900 0 0 0 0 0 0 0 0 0.00% 0.00% 0.22% 0.34% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0 0 0 0 0 0 0 0 0 0 0 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0 25-May-05 4 1,380,563 0 0 0 0 0 0 0 0 0 0 0.29% 0.45% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0 0 0 0 0 0 0 0 0 0 0 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0 25-Apr-05 0 0 0 0 0 0 0 0 0 0 0 0 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.14% 0.16% 0 0 2 524,744 0 0 0 0 0 0 0 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0 25-Mar-05 0 0 0 0 0 0 0 0 0 0 0 0 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.14% 0.16% 0 0 2 524,788 0 0 0 0 0 0 0 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0 Page 9 of 12 2122-~~Oct~~Dec-2005 - 1409:4608 (U326-U341) (c) 2005 LaSalle Bank N.A. Structured Asset Securities Corporation Payment Date:Prior Payment:Next Payment:Record Date: 2527-~~Oct~~Dec-~~0525~~0527-~~Oct~~Dec-05 2625-~~Sep~~Nov-05 25-~~Nov~~Jan-0506 2423-~~Oct~~Dec-05 Mortgage Pass-Through Certificates Series 2005-WMC1 ABN AMRO Acct: 722446.3 Asset-Backed Facts ~ 15 Month Historical Payoff/Loss Summary Distribution Date Ending Pool (1) Payoffs(2) Realized Losses (2) Remaining Term Curr Weighted Avg. # Balance # Balance # Amount Life Coupon Remit Statement Date: Ending Arrearage (1) Balance Insurance Substitution Liquidation Proceeds Proceeds Proceeds 27-Dec-05 1,009 68.50% 227,670,074 67.95% 4.71% 4.55% 2 0.19% 66,460 0.03% 326 6.56% 5.89% 50 10,879,828 0.00 0.00 0.00 389,357.56 25-Nov-05 1,061 72.03% 239,059,424 71.35% 4.67% 4.27% 1 0.09% 2,522 0.00% 327 6.58% 5.91% 52 10,687,444 0.00 0.00 0.00 417,478.15 25-Oct-05 1,114 75.63% 250,233,257 74.68% 5.11% 5.24% 0 0.00% 0 0.00% 327 6.60% 5.93% 60 13,828,981 0.00 0.00 0.00 0.00 26-Sep-05 1,174 79.70% 264,124,306 78.83% 5.25% 5.11% 0 0.00% 0 0.00% 329 6.62% 5.94% 65 14,238,649 0.00 0.00 0.00 0.00 25-Aug-05 1,239 84.11% 278,428,933 83.10% 3.80% 3.07% 0 0.00% 0 0.00% 329 6.63% 5.95% 49 8,816,332 0.00 0.00 0.00 0.00 25-Jul-05 1,288 87.44% 287,309,361 85.75% 3.95% 4.29% 2 0.15% 201,982 0.07% 330 6.64% 5.96% 53 12,915,891 0.00 0.00 0.00 535,275.50 27-Jun-05 1,343 91.17% 301,031,038 89.84% 2.04% 2.30% 0 0.00% 0 0.00% 331 6.65% 5.97% 28 7,089,068 0.00 0.00 0.00 0.00 25-May-05 1,371 93.08% 308,188,608 91.98% 2.97% 3.40% 0 0.00% 0 0.00% 332 6.65% 5.97% 42 10,853,125 0.00 0.00 0.00 0.00 25-Apr-05 1,413 95.93% 319,156,770 95.25% 2.08% 2.10% 0 0.00% 0 0.00% 333 6.66% 5.98% 30 6,861,560 0.00 0.00 0.00 0.00 25-Mar-05 1,443 97.96% 326,095,563 97.32% 2.04% 2.65% 0 0.00% 0 0.00% 334 6.68% 6.00% 30 8,867,541 0.00 0.00 0.00 0.00 (1) Percentage based on pool as of cutoff. (2) Percentage based on pool as of beginning of period. Page 10 of 12 2122-~~Oct~~Dec-2005 - 1409:4608 (U326-U341) (c) 2005 LaSalle Bank N.A. Structured Asset Securities Corporation Payment Date:Prior Payment:Next Payment:Record Date: 2527-~~Oct~~Dec-~~0525~~0527-~~Oct~~Dec-05 2625-~~Sep~~Nov-05 25-~~Nov~~Jan-0506 2423-~~Oct~~Dec-05 Mortgage Pass-Through Certificates Series 2005-WMC1 ABN AMRO Acct: 722446.3 Realized Loss Detail Period Disclosure Control # Appraisal Date Appraisal Value Beginning Scheduled Balance Gross Proceeds Gross Proceeds as a % of Sched. Balance Aggregate LiquidationExpenses * Net Liquidation Proceeds Net Proceeds as a % of Sched. Balance Realized Loss Statement Date: 200512 56,617.65 56,617.65 0.00 ) (5,366.12 61,983.77 100.00% -9.48% Not Avail. 285,000.00 113795934 200512 399,200.00 399,200.00 0.00 394,723.68 4,476.32 100.00% 98.88% Not Avail. 499,000.00 113799647 200511 420,000.00 420,000.00 0.00 417,478.15 2,521.85 100.00% 99.40% Not Avail. 525,000.00 113799217 200507 158,705.99 0.00 0.00 ) (6,571.97 165,277.96 0.00% -4.14% Not Avail. 799,000.00 113722755 200507 578,551.09 0.00 0.00 541,847.47 36,703.62 0.00% 93.66% Not Avail. 650,000.00 114046345 ~~737~~1,~~257~~613,074.0873 0875,817.0065 0.00 ~~535~~1,~~275~~342,111.5021 ~~201~~270,~~981~~963.5852 455,817.65 66,460.09 389,357.56 0.00 455,817.65 Current Total Cumulative 2122-~~Oct~~Dec-2005 - 1409:4608 (U326-U341) (c) 2005 LaSalle Bank N.A. Page 11 of 12 * Aggregate liquidation expenses also include outstanding P&I advances and unpaid servicing fees, unpaid trustee fees, etc.. Structured Asset Securities Corporation Substitution Detail History ABN AMRO Acct: 722446.3 Series 2005-WMC1 Mortgage Pass-Through Certificates 2423-~~Oct~~Dec-05 25-~~Nov~~Jan-0506 2625-~~Sep~~Nov-05 2527-~~Oct~~Dec-05 2527-~~Oct~~Dec-05 Record Date: Next Payment: Prior Payment: Payment Date: Statement Date: Property ID Deleted Loan Qualified Substitute Scheduled Prin Bal Per Section 7.01(a)(i) of the Property Management and Lease Servicing Agreement, aggregate Appraised Value of the Qualified Substitute Mortgaged Properties acquired by the Issuer since the Closing Date in connection with the substitution or exchange pursuant to Section 7.01 is not to exceed 25% of the aggregate Initial Appraised Value of the Mortgaged Properties. (A) 2122-~~Oct~~Dec-2005 - 1409:4608 (U326-U341) (c) 2005 LaSalle Bank N.A. Page 12 of 12 Original Property

Filing Compare · SASCO Mortgage Pass-Through Certifidates, Series 2005-WMC1