8-K 1 bsl03004.txt OCTOBER 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington D. C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 27, 2003 BEAR STEARNS ALT-A TRUST Mortgage Pass-Through Certificates, Series 2003-4 Trust (Exact name of registrant as specified in its charter) New York (governing law of 333-68542-24 54-2126415 Pooling and Servicing Agreement) (Commission 54-2126372 (State or other File Number) 54-2126414 jurisdiction 54-2126371 of Incorporation) IRS EIN c/o Wells Fargo Bank Minnesota, N.A. 9062 Old Annapolis Road Columbia, MD 21045 (Address of principal executive offices) (Zip Code) Registrant's telephone number, including area code: (410) 884-2000 (Former name or former address, if changed since last report) ITEM 5. Other Events On October 27, 2003 a distribution was made to holders of BEAR STEARNS ALT-A TRUST, Mortgage Pass-Through Certificates, Series 2003-4 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 2003-4 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. BEAR STEARNS ALT-A TRUST Mortgage Pass-Through Certificates, Series 2003-4 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: 11/6/03 INDEX TO EXHIBITS Exhibit Number Description EX-99.1 Monthly report distributed to holders of Mortgage Pass-Through Certificates, Series 2003-4 Trust, relating to the October 27, 2003 distribution. EX-99.1

~~ARTICLE~~Bear IStearns ~~Definitions~~ALT-A ~~ARTICLE~~Trust ~~II Conveyance of~~ Mortgage ~~Loans;~~Pass-Through ~~Original~~Certificates ~~Issuance~~Record ofDate: ~~Certificates~~9/30/03 ~~Section~~Distribution ~~2.01~~Date: ~~Conveyance~~10/27/03 ofBSL ~~Mortgage~~Series: ~~Loans~~2003-4 toContact: ~~Trustee...................................................49~~Customer ~~Section~~Service ~~2.02~~- ~~Acceptance~~CTSLink ofWells ~~Mortgage~~Fargo ~~Loans~~Bank byMinnesota, ~~Trustee~~N.A.~~.................................................51~~ ~~Section~~Securities ~~2.03~~Administration ~~Assignment~~Services of7485 ~~Interest~~New inHorizon ~~the~~Way ~~Mortgage~~Frederick, ~~Loan~~MD ~~Purchase~~21703 ~~Agreement~~Telephone: ~~and~~(301) ~~the~~815-6600 ~~Subsequent~~Fax: ~~Mortgage~~(301) ~~Loan~~815-6660 ~~Purchase~~Certificateholder ~~Agreement..........................................................53~~Distribution ~~Section~~Summary ~~2.04~~Certificate ~~Substitution~~Certificate ofBeginning ~~Mortgage~~Class ~~Loans............................................................55~~Pass-Through ~~Section~~Certificate ~~2.05~~Interest ~~Issuance~~Principal ofClass ~~Certificates..................................................................56~~CUSIP ~~Section~~Description ~~2.06~~Rate ~~Representations~~Balance ~~and~~Distribution ~~Warranties~~Distribution ~~Concerning~~I-A-1 ~~the~~07386HBW0 ~~Seller~~SEN 1.49000% 233,600,000.00 261,048.00 5,089,704.~~..................................56~~41 ~~Section~~ I-A-2~~.076~~ ~~Conveyance~~07386HBX8 ofSEN ~~the~~1.26000% ~~Subsequent~~40,000,000.00 ~~Mortgage~~37,800.00 ~~Loans~~1,743,049.~~..............................................57~~46 ~~ARTICLE~~I-A-3 ~~III~~07386HBY6 ~~Administration~~SEN ~~and~~1.69000% ~~Servicing of Mortgage Loans Section 3~~40,000,000.0100 ~~Master Servicer~~50,700.~~..........................................................................61~~00 ~~Section 3~~0.0200 ~~REMIC~~II-~~Related~~A-1 ~~Covenants...................................................................62~~07386HBZ3 ~~Section~~SEN 31.0344000% ~~Monitoring of Servicers...................................................................~~62 ~~Section 3~~,000,000.0400 ~~Fidelity Bond~~66,960.~~............................................................................63~~00 ~~Section 3~~5,397,606.05 ~~Power~~II-A-2 to07386HCA7 ~~Act;~~SEN ~~Procedures~~1.42000% 69,000,000.00 73,485.~~...............................................................63~~00 ~~Section 3~~6,330,347.0619 ~~Due~~II-onA-~~Sale~~3 ~~Clauses;~~07386HCB5 ~~Assumption~~SEN ~~Agreements~~1.72000% 3,714,000.00 4,791.~~.............................................64~~06 ~~Section 3~~0.0700 ~~Release~~M-1 of07386HCC3 ~~Mortgage~~SUB ~~Files~~1.~~................................................................64~~92000% ~~Section 3~~10,540,000.0800 ~~Documents~~15,177.60 ~~Records~~0.00 ~~and~~M-2 ~~Funds~~07386HCD1 inSUB ~~Possession~~2.97000% of9,365,300.00 ~~Master~~20,861.21 ~~Servicer~~0.00 ToB-IO Be07386HCX7 ~~Held~~SUB ~~for~~0.00000% ~~Trustee~~0.00 1,568,146.~~....65~~67 ~~Section 3~~0.0900 ~~Standard~~OC ~~Hazard~~BSL03004X ~~Insurance~~SUB ~~and~~0.00000% ~~Flood Insurance Policies~~17.~~...................................~~66 ~~Section~~0.00 30.1000 ~~Presentment~~XP of07386HDC2 ~~Claims~~SEN ~~and Collection of Proceeds~~0.~~.........................................66~~00000% ~~Section 3~~100.1100 ~~Maintenance of the Primary Mortgage Insurance Policies~~0.~~...................................67~~00 ~~Section 3~~0.1200 ~~Trustee~~R-I to07386HCY5 ~~Retain~~RES ~~Possession of Certain Insurance Policies and Documents~~0.~~.................67~~00000% ~~Section 3~~0.1300 ~~Realization Upon Defaulted Mortgage Loans~~0.~~................................................68~~00 ~~Section 3~~0.1400 ~~Compensation~~R-II ~~for~~07386HCZ2 ~~the~~RES ~~Master Servicer~~0.~~.....................................................68~~00000% ~~Section 3~~0.1500 ~~REO Property~~0.~~.............................................................................68~~00 ~~Section 3~~0.1600 ~~Annual~~R-III ~~Officer's~~07386HDA6 ~~Certificate~~RES ~~as to Compliance~~0.~~............................................69~~00000% ~~Section 3~~0.1700 ~~Annual Independent Accountant's Servicing Report~~0.~~.........................................69~~00 ~~Section 3~~0.1800 ~~Reports~~R-IV ~~Filed~~07386HDB4 ~~with~~RES ~~Securities~~0.00000% ~~and Exchange Commission~~0.~~....................................70~~00 ~~Section 3~~0.1900 ~~EMC~~0.~~......................................................................................71~~00 ~~Section~~Totals 3468,219,417.2066 ~~UCC~~2,098,969.~~......................................................................................71~~54 ~~Section 3~~18,560,707.~~21 Optional Purchase of Defaulted Mortgage Loans.............................................71~~11

~~ARTICLE~~Certificateholder IVDistribution ~~Accounts~~Summary ~~Section~~(continued) ~~4.01~~Current ~~Protected~~Ending ~~Accounts........................................................................73~~Cumulative ~~Section~~Realized ~~4.02~~Certificate ~~Master~~Total ~~Servicer~~Realized ~~Collection~~Class ~~Account........................................................74~~Loss ~~Section~~Balance ~~4.03~~Distribution ~~Permitted~~Losses ~~Withdrawals~~I-A-1 ~~and~~0.00 ~~Transfers~~228,510,295.59 ~~from~~5,350,752.41 ~~the~~0.00 ~~Master~~I-A-2 ~~Servicer~~0.00 ~~Collection~~38,256,950.54 ~~Account~~1,780,849.46 0.~~.........75~~00 ~~Section~~I-A-3 40.0400 ~~Distribution~~40,000,000.00 ~~Account~~50,700.00 0.~~....................................................................76~~00 ~~Section~~II-A-1 40.0500 ~~Permitted~~56,602,393.95 ~~Withdrawals and Transfers from the Distribution Account~~5,464,566.~~........................76~~05 ~~Section 4~~0.0600 ~~Reserve~~II-A-2 ~~Fund~~0.~~.............................................................................78~~00 ~~Section 4~~62,669,652.0781 ~~Class XP Reserve Account~~6,403,832.~~.................................................................79~~19 ~~Section 4~~0.0800 ~~Pre~~II-~~Funding and Pre~~A-~~Funding~~3 ~~Account~~0.00 3,714,000.~~.....................................................80~~00 ~~Section~~ 4,791.0906 ~~Interest~~0.00 ~~Coverage~~M-1 ~~Account~~0.00 10,540,000.00 15,177.60 0.~~.............................................................82~~00 ~~ARTICLE~~M-2 V0.00 ~~Certificates Section 5~~9,365,300.0100 ~~Certificates~~20,861.~~.............................................................................86~~21 ~~Section 5~~0.0200 ~~Registration~~B-IO ~~of Transfer and Exchange of Certificates~~0.~~....................................91~~00 ~~Section 5~~0.0300 ~~Mutilated~~1, ~~Destroyed~~568,146.67 ~~Lost~~0.00 orOC ~~Stolen~~0.00 ~~Certificates~~17.53 0.00 0.~~......................................94~~00 ~~Section~~XP 50.0400 ~~Persons~~100.00 ~~Deemed~~0.00 ~~Owners~~0.~~....................................................................95~~00 ~~Section~~R-I 50.0500 ~~Transfer Restrictions on Residual Certificates~~0.~~...........................................95~~00 ~~Section 5~~0.0600 ~~Restrictions on Transferability of Certificates~~0.~~..........................................96~~00 ~~Section~~R-II 50.0700 ~~ERISA Restrictions~~0.~~.......................................................................96~~00 ~~Section 5~~0.0800 ~~Rule 144A Information~~0.~~....................................................................97~~00 ~~ARTICLE~~R-III ~~VI Payments to Certificateholders Section 6~~0.0100 ~~Distributions on the Certificates~~0.~~........................................................98~~00 ~~Section 6~~0.0200 ~~Allocation of Losses~~0.~~....................................................................102~~00 ~~Section~~R-IV 60.0300 ~~Payments~~0.~~................................................................................103~~00 ~~Section 6~~0.0400 ~~Statements to Certificateholders~~0.~~........................................................103~~00 ~~Section~~Totals 60.0500 ~~Monthly Advances~~449,658,710.~~........................................................................106~~42 ~~Section 6~~20,659,676.0665 ~~Compensating Interest Payments~~0.~~..........................................................106~~00 ~~ARTICLE~~All ~~VII~~distributions ~~The~~required ~~Master~~by ~~Servicer~~the ~~Section~~Pooling ~~7.01~~and ~~Liabilities~~Servicing ofAgreement ~~the~~have ~~Master~~been ~~Servicer.......................................................107~~calculated ~~Section~~by ~~7.02~~the ~~Merger~~Certificate orAdministrator ~~Consolidation~~on behalf of the ~~Master Servicer~~Trustee.~~..........................................107~~

~~Section~~Principal ~~7.03~~Distribution ~~Indemnification~~Statement ofOriginal ~~the~~Beginning ~~Trustee,~~Scheduled ~~the~~Unscheduled ~~Master~~Face ~~Servicer~~Certificate ~~and~~Principal ~~the~~Principal ~~Securities~~Realized ~~Administrator.....107~~Class ~~Section~~Amount ~~7.04~~Balance ~~Limitations~~Distribution onDistribution ~~Liability~~Accretion ofLoss ~~the~~(1) ~~Master~~I-A-1 ~~Servicer~~233,600,000.00 ~~and~~233,600,000.00 ~~Others~~0.00 5,089,704.41 0.00 0.~~...........................108~~00 ~~Section~~I-A-2 740,000,000.0500 ~~Master~~40,000,000.00 ~~Servicer Not to Resign~~0.~~...........................................................109~~00 ~~Section 7~~1,743,049.0646 ~~Successor Master Servicer~~0.~~...............................................................109~~00 ~~Section 7~~0.0700 ~~Sale~~I-A-3 ~~and Assignment of Master Servicing~~40,000,000.~~.................................................109~~00 ~~ARTICLE VIII Default Section 8~~40,000,000.0100 ~~Events of Default~~0.~~.......................................................................111~~00 ~~Section 8~~0.0200 ~~Trustee to Act; Appointment of Successor~~0.~~................................................113~~00 ~~Section 8~~0.0300 ~~Notification~~II-A-1 ~~to Certificateholders~~62,000,000.~~......................................................113~~00 ~~Section 8~~62,000,000.0400 ~~Waiver of Defaults~~0.~~......................................................................114~~00 ~~Section 8~~5,397,606.05 ~~List~~0.00 ~~of Certificateholders~~0.~~..............................................................114~~00 ~~ARTICLE~~II-A-2 IX69,000,000.00 ~~Concerning~~69,000,000.00 ~~the~~0.00 ~~Trustee~~6,330,347.19 ~~and~~0.00 ~~the~~0.00 ~~Securities~~II-A-3 ~~Administrator~~3,714,000.00 ~~Section~~3,714,000.00 90.0100 ~~Duties~~0.00 of0.00 ~~Trustee~~0.~~.......................................................................115~~00 ~~Section~~M-1 910,540,000.0200 ~~Certain~~10,540,000.00 ~~Matters~~0.00 ~~Affecting~~0.00 ~~the~~0.00 ~~Trustee~~0.00 ~~and~~M-2 ~~the Securities Administrator~~9,365,300.~~..................117~~00 ~~Section~~ 9,365,300.0300 ~~Trustee~~0.00 ~~and~~0.00 ~~Securities~~0.00 ~~Administrator~~0.00 ~~Not~~B-IO ~~Liable~~0.00 ~~for~~0.00 ~~Certificates~~0.00 or0.00 ~~Mortgage~~0.00 ~~Loans~~0.~~......118~~00 ~~Section~~OC 917.0466 ~~Trustee~~17.66 ~~and~~0.00 ~~Securities~~0.00 ~~Administrator~~0.00 ~~May~~0.00 ~~Own~~XP ~~Certificates~~100.00 100.00 0.00 0.00 0.00 0.~~..........................119~~00 ~~Section~~R-I 90.0500 ~~Trustee's~~0.00 ~~and~~0.00 ~~Securities~~0.00 ~~Administrator's~~0.00 ~~Fees~~0.00 ~~and~~R-II ~~Expenses~~0.00 0.00 0.00 0.00 0.00 0.~~.........................119~~00 ~~Section~~R-III 90.0600 ~~Eligibility~~0.00 ~~Requirements~~0.00 ~~for~~0.00 ~~Trustee~~0.00 ~~and~~0.00 ~~Securities~~R-IV ~~Administrator~~0.~~.......................120~~00 ~~Section 9~~0.0700 ~~Insurance~~0.~~...............................................................................120~~00 ~~Section 9~~0.0800 ~~Resignation and Removal of the Trustee and Securities Administrator~~0.~~.....................120~~00 ~~Section 9~~0.0900 ~~Successor~~Totals ~~Trustee and Successor Securities Administrator~~468,219,417.~~................................121~~66 ~~Section 9~~468,219,417.1066 ~~Merger or Consolidation of Trustee or Securities Administrator~~0.~~..........................122~~00 ~~Section 9~~18,560,707.11 ~~Appointment of Co-Trustee or Separate Trustee~~0.~~...........................................122~~00 ~~Section 9~~0.1200 ~~Federal~~(1) ~~Information~~Amount ~~Returns~~Does ~~and~~Not ~~Reports~~Include toExcess ~~Certificateholders;~~Special ~~REMIC~~Hazard, ~~Administration......123~~Bankruptcy, ~~ARTICLE~~or XFraud ~~Termination~~Losses ~~Section~~Unless 10Otherwise Disclosed.01 ~~Termination~~Please ~~Upon~~Refer ~~Repurchase~~to ~~by EMC or its Designee or Liquidation of~~ the ~~Mortgage~~Prospectus ~~Loans..126~~Supplement ~~Section~~for ~~10.02~~a ~~Additional~~Full ~~Termination Requirements~~Description.~~.....................................................128~~

~~ARTICLE~~Principal XIDistribution ~~Miscellaneous~~Statement ~~Provisions~~(continued) ~~Section~~Total ~~11.01~~Ending ~~Intent~~Ending ofTotal ~~Parties........................................................................130~~Principal ~~Section~~Certificate ~~11.02~~Certificate ~~Amendment................................................................................130~~Principal ~~Section~~Class ~~11.03~~Reduction ~~Recordation~~Balance ofPercentage ~~Agreement~~Distribution I-A-1 5,089,704.41 228,510,295.59 0.97821188 5,089,704.41 I-A-2 1,743,049.46 38,256,950.54 0.95642376 1,743,049.~~.........................................................131~~46 ~~Section~~I-A-3 110.0400 ~~Limitation~~40,000,000.00 on1.00000000 ~~Rights~~0.00 ofII-A-1 ~~Certificateholders~~5,397,606.05 56,602,393.95 0.~~............................................131~~91294184 ~~Section 11~~5,397,606.05 ~~Acts~~II-A-2 of6,330,347.19 ~~Certificateholders~~62,669,652.81 0.90825584 6,330,347.19 II-A-3 0.00 3,714,000.00 1.00000000 0.00 M-1 0.00 10,540,000.00 1.00000000 0.00 M-2 0.00 9,365,300.00 1.00000000 0.00 B-IO 0.00 0.00 0.00000000 0.00 OC 0.00 17.53 0.99263873 0.~~........................................132~~00 ~~Section~~XP 110.0600 ~~Governing~~100.00 ~~Law~~1.00000000 0.~~..........................................................................133~~00 ~~Section~~R-I 110.0700 ~~Notices~~0.00 0.00000000 0.~~...............................................................................133~~00 ~~Section~~R-II 110.0800 ~~Severability~~0.00 of0.00000000 ~~Provisions~~0.~~..............................................................134~~00 ~~Section~~R-III 110.0900 ~~Successors~~0.00 ~~and~~0.00000000 ~~Assigns~~0.~~..................................................................134~~00 ~~Section~~R-IV 110.1000 ~~Article~~0.00 ~~and~~0.00000000 ~~Section Headings~~0.~~............................................................134~~00 ~~Section~~Totals 1118,560,707.11 ~~Counterparts~~449,658,710.~~............................................................................134~~42 ~~Section 11~~0.1296035895 ~~Notice to Rating Agencies~~18,560,707.~~...............................................................134~~11

~~Uncertificated~~Principal ~~REMIC~~Distribution ~~III~~Factors ~~Initial~~Statement ~~Uncertificated~~Original ~~Assumed~~Beginning ~~Final~~Scheduled ~~Maturity~~Unscheduled ~~Designation~~Face ~~Pass~~Certificate ~~Through~~Principal ~~Rate~~ Principal ~~Balance~~Class ~~Date~~(12) ~~-----------~~Amount ~~------------------------~~Balance ~~----------------------~~Distribution ~~----------------------~~Distribution Accretion I-AAA-1 ~~Variable(2) $307~~233,~~328~~600,000.00 ~~February~~1000.00000000 ~~25,~~0.00000000 ~~2034~~21.78811819 0.00000000 I-~~A1 Variable(~~A-2) $240,~~336~~000,000.00 ~~February~~1000.00000000 ~~25,~~0.00000000 ~~2034~~43.57623650 0.00000000 I-A2A-3 ~~Variable(2) $400~~40,000,000.00 ~~February~~1000.00000000 ~~25,~~0.00000000 ~~2034~~0.00000000 I0.00000000 II-A3A-1 ~~Variable(2) $400~~62,000,000.00 ~~February~~1000.00000000 ~~25,~~0.00000000 ~~2034~~87.05816210 ~~I-ZZ~~0.00000000 ~~Variable(~~II-A-2) $369,~~136~~000,000.00 ~~February~~1000.00000000 ~~25,~~0.00000000 ~~2034~~91.74416217 XP0.00000000 ~~Variable(2) $100 February 25, 2034~~ II-AAA-3 ~~Variable(2) $132~~3,~~019~~714,~~720~~000.00 ~~February~~1000.00000000 ~~25,~~0.00000000 ~~2034~~0.00000000 II0.00000000 M-A11 ~~Variable(2) $620~~10,540,000.00 ~~February~~1000.00000000 ~~25,~~0.00000000 ~~2034~~0.00000000 ~~II-A2~~0.00000000 ~~Variable(~~M-2) ~~$690~~9,~~000~~365,300.00 ~~February~~1000.00000000 ~~25,~~0.00000000 ~~2034~~0.00000000 II0.00000000 B-A3IO ~~Variable(2)~~0.00 ~~$37,140~~0.00000000 ~~February~~0.00000000 ~~25,~~0.00000000 ~~2034~~0.00000000 ~~II-ZZ~~OC ~~Variable(2)~~17.66 ~~$1,347,140~~1000.00000000 ~~February~~0.00000000 ~~25,~~0.00000000 ~~2034~~0.00000000 ~~M-AA~~XP ~~Variable(2)~~100.00 ~~$19,507,212~~1000.00000000 ~~February~~0.00000000 ~~25,~~0.00000000 ~~2034~~0.00000000 M1R-I ~~Variable(2)~~0.00 ~~$105,400~~0.00000000 ~~February~~0.00000000 ~~25,~~0.00000000 ~~2034~~0.00000000 M2R-II ~~Variable(2)~~0.00 ~~$93,653~~0.00000000 ~~February~~0.00000000 ~~25,~~0.00000000 ~~2034~~0.00000000 MR-ZZIII ~~Variable(2)~~0.00 ~~$199,053~~0.00000000 ~~February~~0.00000000 ~~25,~~0.00000000 ~~2034~~0.00000000 R-~~III~~IV 0%.00 $0.00000000 ~~February~~0.00000000 ~~25,~~0.00000000 ~~2034~~0.00000000

~~Uncertificated~~Principal ~~REMIC~~Distribution IFactors ~~Pass~~Statement ~~Initial~~(continued) ~~Uncertificated~~Total ~~Assumed~~Ending ~~Final~~Ending ~~Maturity~~Total ~~Designation~~Realized ~~Through~~Principal ~~Rate~~Certificate Certificate Principal ~~Balance~~Class ~~Date~~Loss (13) Reduction Balance Percentage Distribution I-A-1 0.00000000 21.78811819 978.21188181 0.97821188 21.78811819 I-A-2 0.00000000 43.57623650 956.42376350 0.95642376 43.57623650 I-A-3 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 II-A-1 0.00000000 87.05816210 912.94183790 0.91294184 87.05816210 II-A--2 0.00000000 91.74416217 908.25583783 0.90825584 91.74416217 II-A-3 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 M-1 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 M-2 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 B-IO 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 OC 0.00000000 0.00000000 992.63873160 0.99263873 0.00000000 XP 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 R-~~---------------------~~I 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 R-~~---------------------~~II 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 R-~~---------------------~~III I0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 R-1IV ~~Variable~~0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 (23) $0Amount ~~February~~Does 25Not Include Excess Special Hazard, ~~2034~~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 I-A-1 233,600,000.00 1.49000% 233,600,000.00 261,048.00 0.00 0.00 I-A-2 ~~Variable(~~40,000,000.00 1.26000% 40,000,000.00 37,800.00 0.00 0.00 I-A-3 40,000,000.00 1.69000% 40,000,000.00 50,700.00 0.00 0.00 II-A-1 62,000,000.00 1.44000% 62,000,000.00 66,960.00 0.00 0.00 II-A-2) $869,~~891~~000,~~830~~000.00 ~~February~~1.42000% 2569,000,000.00 ~~2034~~73,485.00 0.00 0.00 II-A-3 3,714,000.00 1.72000% 3,714,000.00 4,791.06 0.00 0.00 M-1 10,540,000.00 1.92000% 10,540,000.00 15,177.60 0.00 0.00 M-2 9,365,300.00 2.97000% 9,365,300.00 20,861.21 0.00 0.00 B-IO 0.00 0.00000% 468,219,317.66 0.00 0.00 0.00 OC 17.66 0.00000% 17.66 0.00 0.00 0.00 XP 100.00 0.00000% 100.00 0.00 0.00 0.00 R-I 0.00 0.00000% $0.00 ~~February~~0.00 250.00 0.00 R-II 0.00 0.00000% 0.00 0.00 0.00 0.00 R-III 0.00 0.00000% 0.00 0.00 0.00 0.00 R-IV 0.00 0.00000% 0.00 0.00 0.00 0.00 Totals 468,219,417.66 ~~2034~~530,822.87 0.00 0.00

~~Uncertificated~~Interest ~~REMIC~~Distribution IIStatement ~~Pass~~(continued) ~~Initial~~Remaining ~~Uncertificated~~Ending ~~Assumed~~Non-Supported ~~Final~~Total ~~Maturity~~Unpaid ~~Designation~~Certificate/ ~~Through~~Interest ~~Rate~~Realized ~~Principal~~Interest ~~Balance~~Interest ~~Date~~Notional Class Shortfall Losses (14) ~~-----------~~Distribution Shortfall Balance I-A-~~--------------------------~~1 0.00 0.00 261,048.00 0.00 228,510,295.59 I-A-~~---------------------~~2 0.00 0.00 37,800.00 0.00 38,256,950.54 I-A-~~--------------------~~3 Y0.00 0.00 50,700.00 0.00 40,000,000.00 II-A-1 ~~Variable(2)~~0.00 $0.00 ~~163~~66,~~762~~960.9000 ~~February~~0.00 2556,602,393.95 ~~2034 Y~~II-A-2 ~~Variable(2)~~0.00 ~~$327~~0.00 73,~~362~~485.00 0.00 62,~~046~~669,652.1081 ~~February~~II-A-3 250.00 0.00 4,791.06 ~~2034~~0.00 Z3,714,000.00 M-1 ~~Variable(2)~~0.00 ~~$70~~0.00 15,~~317~~177.0560 ~~February~~0.00 2510,540,000.00 ~~2034 Z~~M-2 ~~Variable(2)~~0.00 ~~$140~~0.00 20,~~623~~861.21 0.00 9,~~191~~365,300.9500 ~~February~~B-IO 250.00 0.00 1,568,146.67 ~~2034~~0.00 449,658,610.42 OC 0.00 0.00 0.00 0.00 17.53 XP 0.00 0.00 0.00 0.00 100.00 R-I 0.00 0.00 0.00 0.00 0.00 R-II 0%.00 $0.00 ~~February~~0.00 250.00 0.00 R-III 0.00 0.00 0.00 0.00 0.00 R-IV 0.00 0.00 0.00 0.00 0.00 Totals 0.00 0.00 2,098,969.54 ~~2034~~0.00 (4) Amount Does Not Include Excess Special Hazard, Bankruptcy, or Fraud Losses Unless Otherwise Disclosed. Please Refer to the Prospectus Supplement for a Full Description.

Delinquency Status By Groups

Filing Compare · STRUCTURED ASSET MORT INV INC BEAR STEARNS ALT A TR 03 4