8-K 1 sam01004_dec.txt DECEMBER 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): December 27, 2004 STRUCTURED ASSET MORTGAGE INVESTMENTS INC. Mortgage Pass-Through Certificates, Series 2001-4 Trust (Exact name of registrant as specified in its charter) New York (governing law of 333-56240-07 52-2316427 Pooling and Servicing Agreement) (Commission 52-2316428 (State or other File Number) IRS EIN jurisdiction of Incorporation) c/o Wells Fargo Bank, 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) 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)) ITEM 8.01 Other Events On December 27, 2004 a distribution was made to holders of STRUCTURED ASSET MORTGAGE INVESTMENTS INC., Mortgage Pass-Through Certificates, Series 2001-4 Trust. ITEM 9.01 Financial Statements and Exhibits (c) Exhibits Exhibit Number Description EX-99.1 Monthly report distributed to holders of Mortgage Pass-Through Certificates, Series 2001-4 Trust, relating to the December 27, 2004 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 MORTGAGE INVESTMENTS INC. Mortgage Pass-Through Certificates, Series 2001-4 Trust (Registrant) By: Wells Fargo Bank, N.A. as Trustee By: /s/ Beth Belfield as Assistant Vice President By: Beth Belfield as Assistant Vice President Date: 12/30/2004 INDEX TO EXHIBITS Exhibit Number Description EX-99.1 Monthly report distributed to holders of Mortgage Pass-Through Certificates, Series 2001-4 Trust, relating to the December 27, 2004 distribution. EX-99.1

Structured Asset Mortgage Investments Inc. Mortgage Pass-Through Certificates Record Date: 1011/3130/2004 Distribution Date: 1112/2627/2004 ~~SAM~~Structured Asset Mortgage Investments Inc. Mortgage Pass-Through Certificates Series: 2001-4 Contact: Customer Service - CTSLink Wells Fargo Bank, 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 A-1 86358HLZ0 SEN 9.~~22539~~23089% 1716,~~566~~923,~~008~~172.37 ~~135~~130,~~044~~179.3099 ~~642~~556,~~836~~634.0002 A-2 86358HMD8 SEN 9.~~76035~~77383% 2,~~712~~640,~~553~~944.4198 2221,~~062~~510.9012 7124,~~608~~820.4386 B-1 86358HMA4 SUB 9.~~41666~~42347% ~~608~~602,~~261~~963.6472 4,~~773~~735.1601 5,~~297~~362.9229 B-2 86358HMB2 SUB 9.~~41666~~42347% ~~608~~602,~~261~~963.6472 4,~~773~~735.1601 5,~~297~~362.9229 B-3 86358HMC0 SUB 9.~~41666~~42347% ~~456~~452,~~196~~222.2379 3,~~579~~551.8726 34,~~973~~021.4472 B-4 86358HME6 SUB 9.~~41666~~42347% ~~152~~150,~~065~~740.4193 1,~~193~~183.2975 1,~~324~~340.4857 B-5 86358HMF3 SUB 9.~~41666~~42347% ~~121~~120,~~652~~592.3374 ~~954~~947.6300 1,~~059~~072.5846 B-6 86358HMG1 SUB 9.~~41666~~42347% 1213,~~150~~023.8917 95102.3527 ~~105~~115.8382 R-1 SAM0104R1 RES 0.00000% 0.00 0.00 0.00 R-2 SAM0104R2 RES 0.00000% 0.00 0.00 0.00 Totals 2221,~~237~~506,~~149~~624.9242 ~~172~~166,~~476~~944.6641 ~~731~~598,~~503~~730.6003

Certificateholder Distribution Summary (continued) Current Ending Cumulative Realized Certificate Total Realized Class Loss Balance Distribution Losses A-1 0.00 16,~~923~~366,~~172~~538.3735 ~~777~~686,~~880~~814.3001 0.00 A-2 0.00 2,~~640~~616,~~944~~124.9812 9346,~~671~~330.3398 0.00 B-1 0.00 ~~602~~597,~~963~~601.7242 10,~~071~~097.0830 0.00 B-2 0.00 ~~602~~597,~~963~~601.7242 10,~~071~~097.0830 0.00 B-3 0.00 ~~452~~448,~~222~~201.7907 7,~~553~~572.3198 0.00 B-4 0.00 ~~150~~149,~~740~~400.9335 2,~~517~~524.7732 0.00 B-5 0.00 ~~120~~119,~~592~~520.7428 2,~~014~~019.2146 0.00 B-6 ~~(978~~3,024.~~11)~~80 139,~~023~~882.1755 ~~201~~218.1809 ~~183~~186,~~896~~921.5434 R-1 0.00 0.00 0.00 0.00 R-2 0.00 0.00 0.00 0.00 Totals ~~(978~~3,024.~~11)~~80 2120,~~506~~904,~~624~~869.4256 ~~903~~765,~~980~~674.2644 ~~183~~186,~~896~~921.5434 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) A-1 64,717,900.00 1716,~~566~~923,~~008~~172.37 ~~149~~148,~~661~~086.7416 ~~493~~408,~~174~~547.2686 0.00 0.00 A-2 14,607,800.00 2,~~712~~640,~~553~~944.4198 2624,~~131~~820.0686 ~~45,477~~0.3700 0.00 0.00 B-1 822,000.00 ~~608~~602,~~261~~963.6472 5,~~297~~362.9229 0.00 0.00 0.00 B-2 822,000.00 ~~608~~602,~~261~~963.6472 5,~~297~~362.9229 0.00 0.00 0.00 B-3 616,500.00 ~~456~~452,~~196~~222.2379 34,~~973~~021.4472 0.00 0.00 0.00 B-4 205,500.00 ~~152~~150,~~065~~740.4193 1,~~324~~340.4857 0.00 0.00 0.00 B-5 164,400.00 ~~121~~120,~~652~~592.3374 1,~~059~~072.5846 0.00 0.00 0.00 B-6 246,813.60 1213,~~150~~023.8917 ~~105~~115.8382 0.00 0.00 ~~(978~~3,024.~~11)~~80 R-1 0.00 0.00 0.00 0.00 0.00 0.00 R-2 0.00 0.00 0.00 0.00 0.00 0.00 Totals 82,202,913.60 2221,~~237~~506,~~149~~624.9242 ~~192~~190,~~851~~182.9717 ~~538~~408,~~651~~547.6386 0.00 ~~(978~~3,024.~~11)~~80 (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 A-1 ~~642~~556,~~836~~634.0002 16,~~923~~366,~~172~~538.3735 0.~~26149137~~25289044 ~~642~~556,~~836~~634.0002 A-2 7124,~~608~~820.4386 2,~~640~~616,~~944~~124.9812 0.~~18079006~~17909090 7124,~~608~~820.4386 B-1 5,~~297~~362.9229 ~~602~~597,~~963~~601.7242 0.~~73353251~~72700903 5,~~297~~362.9229 B-2 5,~~297~~362.9229 ~~602~~597,~~963~~601.7242 0.~~73353251~~72700903 5,~~297~~362.9229 B-3 34,~~973~~021.4472 ~~452~~448,~~222~~201.7907 0.~~73353251~~72700903 34,~~973~~021.4472 B-4 1,~~324~~340.4857 ~~150~~149,~~740~~400.9335 0.~~73353251~~72700900 1,~~324~~340.4857 B-5 1,~~059~~072.5846 ~~120~~119,~~592~~520.7428 0.~~73353248~~72700900 1,~~059~~072.5846 B-6 ~~(872~~3,140.~~28)~~62 139,~~023~~882.1755 0.~~05276520~~04004054 ~~105~~115.8382 R-1 0.00 0.00 0.00000000 0.00 R-2 0.00 0.00 0.00000000 0.00 Totals ~~730~~601,~~525~~754.4983 2120,~~506~~904,~~624~~869.4256 0.~~26162849~~25430813 ~~731~~598,~~503~~730.6003

Principal Distribution Factors Statement Original Beginning Scheduled Unscheduled Face Certificate Principal Principal Class (2) Amount Balance Distribution Distribution Accretion A-1 64,717,900.00 ~~271~~261.~~42426392~~49137055 2.~~31252466~~28817931 76.~~62036871~~31274902 0.00000000 A-2 14,607,800.00 ~~185~~180.~~69212407~~79005600 1.~~78884295~~69915114 30.~~11322513~~00000000 0.00000000 B-1 822,000.00 ~~739~~733.~~97766423~~53250608 6.~~44515815~~52346715 0.00000000 0.00000000 B-2 822,000.00 ~~739~~733.~~97766423~~53250608 6.~~44515815~~52346715 0.00000000 0.00000000 B-3 616,500.00 ~~739~~733.~~97766423~~53250608 6.~~44515815~~52347121 0.00000000 0.00000000 B-4 205,500.00 ~~739~~733.~~97766423~~53250608 6.~~44515815~~52345499 0.00000000 0.00000000 B-5 164,400.00 ~~739~~733.~~97767640~~53248175 6.~~44513382~~52347932 0.00000000 0.00000000 B-6 246,813.60 4952.~~23103913~~76520419 0.~~42878512~~46926101 0.00000000 0.00000000 R-1 0.00 0.00000000 0.00000000 0.00000000 0.00000000 R-2 0.00 0.00000000 0.00000000 0.00000000 0.00000000 (2) All classes are per $1000 denomination

Principal Distribution Factors Statement (continued) Total Ending Ending Total Realized Principal Certificate Certificate Principal Class Loss (3) Reduction Balance Percentage Distribution A-1 0.00000000 98.~~93289337~~60092834 ~~261~~252.~~49137055~~89044221 0.~~26149137~~25289044 98.~~93289337~~60092834 A-2 0.00000000 41.~~90206807~~69915114 ~~180~~179.~~79005600~~09090486 0.~~18079006~~17909090 41.~~90206807~~69915114 B-1 0.00000000 6.~~44515815~~52346715 ~~733~~727.~~53250608~~00902676 0.~~73353251~~72700903 6.~~44515815~~52346715 B-2 0.00000000 6.~~44515815~~52346715 ~~733~~727.~~53250608~~00902676 0.~~73353251~~72700903 6.~~44515815~~52346715 B-3 0.00000000 6.~~44515815~~52347121 ~~733~~727.~~53250608~~00903487 0.~~73353251~~72700903 6.~~44515815~~52347121 B-4 0.00000000 6.~~44515815~~52345499 ~~733~~727.~~53250608~~00900243 0.~~73353251~~72700900 6.~~44515815~~52345499 B-5 0.00000000 6.~~44513382~~52347932 ~~733~~727.~~53248175~~00900243 0.~~73353248~~72700900 6.~~44513382~~52347932 B-6 (312.~~96295018)~~25540246 (312.~~53416505)~~72466347 5240.~~76520419~~04054072 0.~~05276520~~04004054 0.~~42878512~~46926101 R-1 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 R-2 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 (3) Amount Does Not Include Excess Special Hazard, Bankruptcy, or Fraud Losses Unless Otherwise Disclosed. Please Refer to the Prospectus Supplement for a Full Description.

Interest Distribution Statement Beginning Payment of Original Current Certificate/ Current Unpaid Current Face Certificate Notional Accrued Interest Interest Class Amount Rate Balance Interest Shortfall Shortfall A-1 64,717,900.00 9.~~22539~~23089% 1716,~~566~~923,~~008~~172.37 ~~135~~130,~~044~~179.3499 0.00 0.00 A-2 14,607,800.00 9.~~76035~~77383% 2,~~712~~640,~~553~~944.4198 2221,~~062~~510.9012 0.00 0.00 B-1 822,000.00 9.~~41666~~42347% ~~608~~602,~~261~~963.6472 4,~~773~~735.1601 0.00 0.00 B-2 822,000.00 9.~~41666~~42347% ~~608~~602,~~261~~963.6472 4,~~773~~735.1601 0.00 0.00 B-3 616,500.00 9.~~41666~~42347% ~~456~~452,~~196~~222.2379 3,~~579~~551.8726 0.00 0.00 B-4 205,500.00 9.~~41666~~42347% ~~152~~150,~~065~~740.4193 1,~~193~~183.2975 0.00 0.00 B-5 164,400.00 9.~~41666~~42347% ~~121~~120,~~652~~592.3374 ~~954~~947.6300 0.00 0.00 B-6 246,813.60 9.~~41666~~42347% 1213,~~150~~023.8917 95102.3527 0.00 0.00 R-1 0.00 0.00000% 0.00 0.00 0.00 0.00 R-2 0.00 0.00000% 0.00 0.00 0.00 0.00 Totals 82,202,913.60 ~~172~~166,~~476~~944.7041 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 A-1 0.00 0.00 ~~135~~130,~~044~~179.3099 0.00 16,~~923~~366,~~172~~538.3735 A-2 0.00 0.00 2221,~~062~~510.9012 0.00 2,~~640~~616,~~944~~124.9812 B-1 0.00 0.00 4,~~773~~735.1601 0.00 ~~602~~597,~~963~~601.7242 B-2 0.00 0.00 4,~~773~~735.1601 0.00 ~~602~~597,~~963~~601.7242 B-3 0.00 0.00 3,~~579~~551.8726 0.00 ~~452~~448,~~222~~201.7907 B-4 0.00 0.00 1,~~193~~183.2975 0.00 ~~150~~149,~~740~~400.9335 B-5 0.00 0.00 ~~954~~947.6300 0.00 ~~120~~119,~~592~~520.7428 B-6 0.00 0.00 95102.3527 0.00 139,~~023~~882.1755 R-1 0.00 0.00 0.00 0.00 0.00 R-2 0.00 0.00 0.00 0.00 0.00 Totals 0.00 0.00 ~~172~~166,~~476~~944.6641 0.00 (4) Amount Does Not Include Excess Special Hazard, Bankruptcy, or Fraud Losses Unless Otherwise Disclosed. Please Refer to the Prospectus Supplement for a Full Description.

Interest Distribution Factors Statement Beginning Payment of Original Current Certificate/ Current Unpaid Current Face Certificate Notional Accrued Interest Interest Class (5) Amount Rate Balance Interest Shortfall Shortfall A-1 64,717,900.00 9.~~22539~~23089% ~~271~~261.~~42426392~~49137055 2.~~08666134~~01149898 0.00000000 0.00000000 A-2 14,607,800.00 9.~~76035~~77383% ~~185~~180.~~69212407~~79005600 1.~~51035063~~47250921 0.00000000 0.00000000 B-1 822,000.00 9.~~41666~~42347% ~~739~~733.~~97766423~~53250608 5.~~80676399~~76035280 0.00000000 0.00000000 B-2 822,000.00 9.~~41666~~42347% ~~739~~733.~~97766423~~53250608 5.~~80676399~~76035280 0.00000000 0.00000000 B-3 616,500.00 9.~~41666~~42347% ~~739~~733.~~97766423~~53250608 5.~~80676399~~76035685 0.00000000 0.00000000 B-4 205,500.00 9.~~41666~~42347% ~~739~~733.~~97766423~~53250608 5.~~80676399~~76034063 0.00000000 0.00000000 B-5 164,400.00 9.~~41666~~42347% ~~739~~733.~~97767640~~53248175 5.~~80675182~~76034063 0.00000000 0.00000000 B-6 246,813.60 9.~~41666~~42347% 4952.~~23103913~~76520419 0.~~38632393~~41436128 0.00000000 0.00000000 R-1 0.00 0.00000% 0.00000000 0.00000000 0.00000000 0.00000000 R-2 0.00 0.00000% 0.00000000 0.00000000 0.00000000 0.00000000 (5) All classes are per $1000 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 A-1 0.00000000 0.00000000 2.~~08666072~~01149898 0.00000000 ~~261~~252.~~49137055~~89044221 A-2 0.00000000 0.00000000 1.~~51035063~~47250921 0.00000000 ~~180~~179.~~79005600~~09090486 B-1 0.00000000 0.00000000 5.~~80676399~~76035280 0.00000000 ~~733~~727.~~53250608~~00902676 B-2 0.00000000 0.00000000 5.~~80676399~~76035280 0.00000000 ~~733~~727.~~53250608~~00902676 B-3 0.00000000 0.00000000 5.~~80676399~~76035685 0.00000000 ~~733~~727.~~53250608~~00903487 B-4 0.00000000 0.00000000 5.~~80676399~~76034063 0.00000000 ~~733~~727.~~53250608~~00900243 B-5 0.00000000 0.00000000 5.~~80675182~~76034063 0.00000000 ~~733~~727.~~53248175~~00900243 B-6 0.00000000 0.00000000 0.~~38632393~~41436128 0.00000000 5240.~~76520419~~04054072 R-1 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 R-2 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 (6) Amount Does Not Include Excess Special Hazard, Bankruptcy,or Fraud Losses Unless Otherwise Disclosed. Please Refer to the Prospectus Supplement for a Full Description.

CERTIFICATEHOLDER ACCOUNT STATEMENT CERTIFICATE ACCOUNT Beginning Balance 0.00 Deposits Payments of Interest and Principal ~~910~~775,~~063~~346.4935 Liquidations, Insurance Proceeds, Reserve Funds 0.00 Proceeds from Repurchased Loans 0.00 Other Amounts (Servicer Advances) 5554,~~686~~853.1377 Realized Loss (Gains, Subsequent Expenses & Recoveries) 0(3,024.0079) Prepayment Penalties 0.00 Total Deposits ~~965~~827,~~749~~175.6233 Withdrawals Reimbursement for Servicer Advances 55,~~753~~686.8713 Payment of Service Fee 65,~~015~~814.4976 Payment of Interest and Principal ~~903~~765,~~980~~674.2644 Total Withdrawals (Pool Distribution Amount) ~~965~~827,~~749~~175.6233 Ending Balance 0.00

SERVICING FEES Gross Servicing Fee 4,~~325~~184.6848 MBIA Insurance Fee 1,~~689~~630.8128 Special Servicing Fee 0.00 Supported Prepayment/Curtailment Interest Shortfall 0.00 Net Servicing Fee 65,~~015~~814.4976

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 76 0 0 76 ~~125~~134,~~744~~199.9604 0.00 0.00 ~~125~~134,~~744~~199.9604 30 Days 6860 01 0 0 6861 1,~~749~~608,~~268~~351.8011 06,240.00 0.00 0.00 1,~~749~~614,~~268~~591.8011 60 Days 1421 0 0 0 1421 ~~236~~518,~~716~~182.0248 0.00 0.00 0.00 ~~236~~518,~~716~~182.0248 90 Days 83 0 0 0 83 ~~245~~31,~~250~~243.5871 0.00 0.00 0.00 ~~245~~31,~~250~~243.5871 120 Days 42 1 23 0 76 ~~124~~61,~~379~~494.9163 3736,~~035~~933.5693 3289,~~998~~344.4899 0.00 ~~194~~187,~~413~~773.9555 150 Days 2 1 1 2 0 4 ~~843~~83,~~682~~123.1972 95,~~615~~381.4091 7634,~~040~~350.9714 0.00 1212,~~015,338~~855.5677 180+ Days 45 1 67 1 1214 43876,~~791~~988.9298 73,844.77 ~~174~~217,~~735~~628.1814 26,380.58 ~~318~~1,~~752~~194,842.4547 Totals ~~100~~92 10 912 1 ~~120~~115 3,~~243~~179,~~089~~384.4263 ~~332~~346,~~240~~599.6965 ~~283~~341,~~774~~323.6327 26,380.58 3,~~885~~893,~~485~~688.3213 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.~~777778~~684151% 0.000000% 0.000000% 0.~~777778~~684151% 0.~~578982~~635364% 0.000000% 0.000000% 0.~~578982~~635364% 30 Days 76.~~555556~~841505% 0.~~000000~~114025% 0.000000% 0.000000% 76.~~555556~~955530% 87.~~054356~~614724% 0.~~000000~~029543% 0.000000% 0.000000% 87.~~054356~~644268% 60 Days 12.~~555556~~394527% 0.000000% 0.000000% 0.000000% 12.~~555556~~394527% 12.~~089938~~453330% 0.000000% 0.000000% 0.000000% 12.~~089938~~453330% 90 Days 0.~~888889~~342075% 0.000000% 0.000000% 0.000000% 0.~~888889~~342075% 10.~~129235~~147923% 0.000000% 0.000000% 0.000000% 10.~~129235~~147923% 120 Days 0.~~444444~~228050% 0.~~111111~~114025% 0.~~222222~~342075% 0.000000% 0.~~777778~~684151% 0.~~572697~~291146% 0.~~170527~~174863% 0.~~151939~~423003% 0.000000% 0.~~895162~~889012% 150 Days 0.~~222222~~114025% 0.~~111111~~114025% 0.~~111111~~228050% 0.000000% 0.~~444444~~456100% 30.~~884661~~393549% 0.~~440253~~451585% 0.~~350124~~162630% 0.000000% 41.~~675038~~007764% 180+ Days 0.~~444444~~570125% 0.~~111111~~114025% 0.~~666667~~798176% 0.~~111111~~114025% 1.~~333333~~596351% 04.~~201636~~152097% 0.~~340012~~349617% 01.~~804553~~030359% 0.~~121467~~124899% 15.~~467668~~656971% Totals 1110.~~111111~~490308% 1.~~111111~~140251% 1.~~000000~~368301% 0.~~111111~~114025% 13.~~333333~~112885% 1415.~~932524~~052769% 1.~~529773~~640973% 1.~~306616~~615992% 0.~~121467~~124899% 1718.~~890380~~434633%

Delinquency Status By Groups DELINQUENT BANKRUPTCY FORECLOSURE REO Total Group I 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 5 0 0 5 86127,~~226~~421.7363 0.00 0.00 86127,~~226~~421.7363 30 Days 5655 01 0 0 56 1,~~224~~522,~~777~~313.6605 06,240.00 0.00 0.00 1,~~224~~528,~~777~~553.6605 60 Days 1216 0 0 0 1216 ~~231~~323,~~435~~616.9729 0.00 0.00 0.00 ~~231~~323,~~435~~616.9729 90 Days 83 0 0 0 83 ~~245~~31,~~250~~243.5871 0.00 0.00 0.00 ~~245~~31,~~250~~243.5871 120 Days 21 1 23 0 5 9044,~~417~~472.6935 3736,~~035~~933.5693 3289,~~998~~344.4899 0.00 ~~160~~170,~~451~~751.7327 150 Days 21 1 1 0 43 ~~843~~83,~~682~~123.1972 95,~~615~~381.4091 7617,~~040~~632.9784 0.00 1196,~~015,338~~138.5647 180 Days 45 1 67 1 1214 43876,~~791~~988.9298 73,844.77 ~~174~~217,~~735~~628.1814 26,380.58 ~~318~~1,~~752~~194,842.4547 Totals 8481 8 9 11 1 102 2,~~679~~881,~~356~~758.0110 ~~292~~339,~~722~~822.4624 ~~283~~324,~~774~~605.6397 26,380.58 3,~~282~~572,~~233~~566.6889 0-29 Days 0.~~657895~~675676% 0.000000% 0.000000% 0.~~657895~~675676% 0.~~460549~~701739% 0.000000% 0.000000% 0.~~460549~~701739% 30 Days 7.~~368421~~432432% 0.~~000000~~135135% 0.000000% 0.000000% 7.~~368421~~567568% 68.~~541711~~383712% 0.~~000000~~034365% 0.000000% 0.000000% 68.~~541711~~418077% 60 Days 12.~~578947~~162162% 0.000000% 0.000000% 0.000000% 12.~~578947~~162162% 1.~~236132~~782226% 0.000000% 0.000000% 0.000000% 1.~~236132~~782226% 90 Days 10.~~052632~~405405% 0.000000% 0.000000% 0.000000% 10.~~052632~~405405% 10.~~309918~~172066% 0.000000% 0.000000% 0.000000% 10.~~309918~~172066% 120 Days 0.~~263158~~135135% 0.~~131579~~135135% 0.~~263158~~405405% 0.000000% 0.~~657895~~675676% 0.~~482934~~244919% 0.~~197812~~203403% 0.~~176250~~492042% 0.000000% 0.~~856995~~940365% 150 Days 0.~~263158~~135135% 0.~~131579~~135135% 0.~~131579~~135135% 0.000000% 0.~~526316~~405405% 40.~~506226~~457781% 0.~~510695~~525289% 0.~~406146~~097108% 0.000000% 51.~~423067~~080178% 180 Days 0.~~526316~~675676% 0.~~131579~~135135% 0.~~789474~~945946% 0.~~131579~~135135% 1.~~578947~~891892% 04.~~233899~~829771% 0.~~394415~~406679% 01.~~933285~~198526% 0.~~140902~~145284% 16.~~702502~~580259% Totals 1110.~~052632~~945946% 1.~~052632~~216216% 1.~~184211~~486486% 0.~~131579~~135135% 13.~~421053~~783784% 1415.~~310819~~870473% 1.~~563472~~871476% 1.~~515680~~787676% 0.~~140902~~145284% 1719.~~530874~~674909% DELINQUENT BANKRUPTCY FORECLOSURE REO Total Group II 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 21 0 0 21 396,~~518~~777.2341 0.00 0.00 396,~~518~~777.2341 30 Days 125 0 0 0 125 ~~524~~86,~~491~~038.1406 0.00 0.00 0.00 ~~524~~86,~~491~~038.1406 60 Days 25 0 0 0 2 5 194,~~280~~566.0519 0.00 0.00 0.00 5194,~~280~~566.0519 90 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 120 Days 21 0 0 0 21 3317,~~962~~022.2228 0.00 0.00 0.00 3317,~~962~~022.2228 150 Days 0 0 01 0 01 0.00 0.00 016,717.0030 0.00 016,717.0030 180 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 Totals 1611 21 01 0 1813 ~~563~~297,~~733~~626.4153 396,~~518~~777.2341 016,717.0030 0.00 ~~603~~321,~~251~~121.6424 0-29 Days 10.~~428571~~729927% 0.000000% 0.000000% 10.~~428571~~729927% 10.~~319164~~228688% 0.000000% 0.000000% 10.~~319164~~228688% 30 Days 83.~~571429~~649635% 0.000000% 0.000000% 0.000000% 83.~~571429~~649635% 172.~~508112~~903152% 0.000000% 0.000000% 0.000000% 172.~~508112~~903152% 60 Days 13.~~428571~~649635% 0.000000% 0.000000% 0.000000% 13.~~428571~~649635% 06.~~176254~~565178% 0.000000% 0.000000% 0.000000% 06.~~176254~~565178% 90 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 120 Days 10.~~428571~~729927% 0.000000% 0.000000% 0.000000% 10.~~428571~~729927% 10.~~133698~~574377% 0.000000% 0.000000% 0.000000% 10.~~133698~~574377% 150 Days 0.000000% 0.000000% 0.~~000000~~729927% 0.000000% 0.~~000000~~729927% 0.000000% 0.000000% 0.~~000000~~564086% 0.000000% 0.~~000000~~564086% 180 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% Totals 118.~~428571~~029197% 10.~~428571~~729927% 0.~~000000~~729927% 0.000000% 129.~~857143~~489051% 1810.~~818063~~042707% 10.~~319164~~228688% 0.~~000000~~564086% 0.000000% 2010.~~137227~~835481%

OTHER INFORMATION Current Period Class A Insufficient Funds 0.00 Principal Balance of Contaminated Properties 0.00 Periodic Advance 5554,~~686~~853.1377

COLLATERAL STATEMENT Collateral Description Fixed 30 Year Weighted Average Gross Coupon 9.~~632106~~639402% Weighted Average Net Coupon 9.~~398676~~405921% Weighted Average Pass-Through Rate 9.~~398674~~405921% Weighted Average Maturity(Stepdown Calculation ) ~~238~~237 Beginning Scheduled Collateral Loan Count ~~934~~900 Number Of Loans Paid In Full 3423 Ending Scheduled Collateral Loan Count ~~900~~877 Beginning Scheduled Collateral Balance 2221,~~237~~506,~~149~~624.9140 Ending Scheduled Collateral Balance 2120,~~506~~904,~~624~~869.4057 Ending Actual Collateral Balance at 3130-~~Oct~~Nov-2004 21,~~718~~121,~~293~~593.9004 Monthly P &I Constant ~~371~~363,~~344~~440.1456 Special Servicing Fee 0.00 Prepayment Penalties 0.00 Realized Loss Amount ~~(978~~3,024.~~11)~~79 Cumulative Realized Loss ~~183~~186,~~896~~921.5635 Ending Scheduled Balance for Premium Loans 2120,~~506~~904,~~624~~869.4057 Scheduled Principal ~~192~~190,~~851~~681.9940 Unscheduled Principal ~~537~~411,~~673~~073.5243

Miscellaneous Reporting Senior Percentage Group I 91.~~535362~~306633% Senior Percentage Group II 8988.~~031253~~855336% Senior Prep. Percentage Group I 100.000000% Senior Prep. Percentage Group II 100.000000% Subordinate Percentage Group I 8.~~464638~~693367% Subordinate Percentage Group II 1011.~~968747~~144664% Subordinate Prep. Percentage Group I 0.000000% Subordinate Prep. Percentage Group II 0.000000%

Group Level Collateral Statement Group Group I Group II Total Collateral Description Fixed 30 Year Fixed 30 Year Fixed 30 Year Weighted Average Coupon Rate 9.~~556181~~561714 10.~~110331~~123861 9.~~632106~~639402 Weighted Average Net Rate 9.~~325381~~330883 9.~~860338~~873859 9.~~398676~~405921 Weighted Average Maturity ~~238~~237 ~~198~~197 ~~238~~237 Beginning Loan Count ~~791~~760 ~~143~~140 ~~934~~900 Loans Paid In Full 3120 3 3423 Ending Loan Count ~~760~~740 ~~140~~137 ~~900~~877 Beginning Scheduled Balance 1918,~~190~~534,~~406~~439.9737 32,~~046~~972,~~742~~185.9403 2221,~~237~~506,~~149~~624.9140 Ending scheduled Balance 1817,~~534~~963,~~439~~381.3782 2,~~972~~941,~~185~~487.0375 2120,~~506~~904,~~624~~869.4057 Record Date 1011/3130/2004 1011/3130/2004 1011/3130/2004 Principal And Interest Constant ~~316~~309,~~324~~869.0672 5553,~~020~~570.0884 ~~371~~363,~~344~~440.1456 Scheduled Principal ~~163~~162,~~501~~185.5655 2928,~~350~~495.4385 ~~192~~190,~~851~~681.9940 Unscheduled Principal ~~492~~408,~~466~~872.0400 452,~~207~~201.4843 ~~537~~411,~~673~~073.5243 Scheduled Interest ~~152~~147,~~822~~684.5017 25,~~669~~074.6599 ~~178~~172,~~492~~759.1516 Servicing Fees 3,~~690~~565.9627 ~~634~~619.7221 4,~~325~~184.6848 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 0.00 0.00 0.00 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 ~~149~~144,~~131~~118.5490 2524,~~034~~455.9378 ~~174~~168,~~166~~574.4768 Realized Loss Amount ~~(708~~324.~~22)~~14 ~~(269~~2,700.~~89)~~65 ~~(978~~3,024.~~11)~~79 Cumulative Realized Loss 138,~~453~~777.3852 4548,~~443~~143.1883 ~~183~~186,~~896~~921.5635 Percentage of Cumulative Losses 0.~~2064~~2069 0.~~3002~~3180 0.~~2237~~2274 Prepayment Penalties 0.00 0.00 0.00 Special Servicing Fee 0.00 0.00 0.00 Pass-Through Rate 9.~~325380~~330882 9.~~860331~~873861 9.~~398674~~405921

Filing Compare · STRUCTURED ASSET MORT INV MORT PASS THR CERT SER 2001-4