8-K 1 sam01004_nov.txt NOVEMBER 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): November 26, 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 November 26, 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 November 26, 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: 12/4/2004 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 November 26, 2004 distribution. EX-99.1

Structured Asset Mortgage Investments Inc. Mortgage Pass-Through Certificates Record Date: 810/31/2004 Distribution Date: 911/2726/2004 SAM 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.~~22537~~22539% 1817,~~280~~566,~~004~~008.8137 ~~140~~135,~~533~~044.2230 ~~391~~642,~~970~~836.0700 A-2 86358HMD8 SEN 9.~~75045~~76035% 32,~~003~~712,~~900~~553.6741 2422,~~407~~062.8290 ~~219~~71,~~844~~608.7943 B-1 86358HMA4 SUB 9.~~42053~~41666% ~~619~~608,~~143~~261.9764 4,~~860~~773.5516 5,~~461~~297.0992 B-2 86358HMB2 SUB 9.~~42053~~41666% ~~619~~608,~~143~~261.9764 4,~~860~~773.5516 5,~~461~~297.0992 B-3 86358HMC0 SUB 9.~~42053~~41666% ~~464~~456,~~357~~196.9823 3,~~645~~579.4187 43,~~095~~973.8144 B-4 86358HME6 SUB 9.~~42053~~41666% ~~154~~152,~~785~~065.9941 1,~~215~~193.1429 1,~~365~~324.2748 B-5 86358HMF3 SUB 9.~~42053~~41666% ~~123~~121,~~828~~652.7933 ~~972~~954.1163 1,~~092~~059.2258 B-6 86358HMG1 SUB 9.~~42053~~41666% 6212,~~153~~150.5289 ~~487~~95.9335 ~~548~~105.2283 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 2322,~~327~~237,~~319~~149.7092 ~~180~~172,~~982~~476.7366 ~~629~~731,~~838~~503.5660

Certificateholder Distribution Summary (continued) Current Ending Cumulative Realized Certificate Total Realized Class Loss Balance Distribution Losses A-1 0.00 1716,~~888~~923,~~034~~172.7437 ~~532~~777,~~503~~880.2930 0.00 A-2 0.00 2,~~784~~640,~~055~~944.8898 ~~244~~93,~~252~~671.6133 0.00 B-1 0.00 ~~613~~602,~~682~~963.8972 10,~~321~~071.6408 0.00 B-2 0.00 ~~613~~602,~~682~~963.8972 10,~~321~~071.6408 0.00 B-3 0.00 ~~460~~452,~~262~~222.1679 7,~~741~~553.2231 0.00 B-4 0.00 ~~153~~150,~~420~~740.7293 2,~~580~~517.4177 0.00 B-5 0.00 ~~122~~120,~~736~~592.5874 2,~~064~~014.3321 0.00 B-6 ~~20,180~~(978.6811) 4113,~~424~~023.6217 ~~1,036~~201.1518 ~~155~~183,~~966~~896.8654 R-1 0.00 0.00 0.00 0.00 R-2 0.00 0.00 0.00 0.00 Totals ~~20,180~~(978.6811) 2221,~~677~~506,~~300~~624.4842 ~~810~~903,~~821~~980.2926 ~~155~~183,~~966~~896.8654 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 1817,~~280~~566,~~004~~008.8137 ~~159~~149,~~376~~661.5474 ~~232~~493,~~593~~174.5326 0.00 0.00 A-2 14,607,800.00 32,~~003~~712,~~900~~553.6741 2726,~~876~~131.5206 ~~191~~45,~~968~~477.2737 0.00 0.00 B-1 822,000.00 ~~619~~608,~~143~~261.9764 5,~~461~~297.0992 0.00 0.00 0.00 B-2 822,000.00 ~~619~~608,~~143~~261.9764 5,~~461~~297.0992 0.00 0.00 0.00 B-3 616,500.00 ~~464~~456,~~357~~196.9823 43,~~095~~973.8144 0.00 0.00 0.00 B-4 205,500.00 ~~154~~152,~~785~~065.9941 1,~~365~~324.2748 0.00 0.00 0.00 B-5 164,400.00 ~~123~~121,~~828~~652.7933 1,~~092~~059.2258 0.00 0.00 0.00 B-6 246,813.60 6212,~~153~~150.5289 ~~548~~105.2283 0.00 0.00 ~~20,180~~(978.6811) 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 2322,~~327~~237,~~319~~149.7092 ~~205~~192,~~276~~851.7697 ~~424~~538,~~561~~651.8063 0.00 ~~20,180~~(978.6811) (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 ~~391~~642,~~970~~836.0700 1716,~~888~~923,~~034~~172.7437 0.~~27640011~~26149137 ~~391~~642,~~970~~836.0700 A-2 ~~219~~71,~~844~~608.7943 2,~~784~~640,~~055~~944.8898 0.~~19058694~~18079006 ~~219~~71,~~844~~608.7943 B-1 5,~~461~~297.0992 ~~613~~602,~~682~~963.8972 0.~~74657286~~73353251 5,~~461~~297.0992 B-2 5,~~461~~297.0992 ~~613~~602,~~682~~963.8972 0.~~74657286~~73353251 5,~~461~~297.0992 B-3 43,~~095~~973.8144 ~~460~~452,~~262~~222.1679 0.~~74657285~~73353251 43,~~095~~973.8144 B-4 1,~~365~~324.2748 ~~153~~150,~~420~~740.7293 0.~~74657285~~73353251 1,~~365~~324.2748 B-5 1,~~092~~059.2258 ~~122~~120,~~736~~592.5874 0.~~74657287~~73353248 1,~~092~~059.2258 B-6 ~~20,728~~(872.9028) 4113,~~424~~023.6217 0.~~16783767~~05276520 ~~548~~105.2283 R-1 0.00 0.00 0.00000000 0.00 R-2 0.00 0.00 0.00000000 0.00 Totals ~~650~~730,~~019~~525.2449 2221,~~677~~506,~~300~~624.4842 0.~~27586979~~26162849 ~~629~~731,~~838~~503.5660

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 ~~282~~271.~~45670533~~42426392 2.~~46263460~~31252466 37.~~59395979~~62036871 0.00000000 A-2 14,607,800.00 ~~205~~185.~~63676050~~69212407 1.~~90833117~~78884295 133.~~14149085~~11322513 0.00000000 B-1 822,000.00 ~~753~~739.~~21650852~~97766423 6.~~64366180~~44515815 0.00000000 0.00000000 B-2 822,000.00 ~~753~~739.~~21650852~~97766423 6.~~64366180~~44515815 0.00000000 0.00000000 B-3 616,500.00 ~~753~~739.~~21651257~~97766423 6.~~64364964~~44515815 0.00000000 0.00000000 B-4 205,500.00 ~~753~~739.~~21649635~~97766423 6.~~64364964~~44515815 0.00000000 0.00000000 B-5 164,400.00 ~~753~~739.~~21648418~~97767640 6.~~64367397~~44513382 0.00000000 0.00000000 B-6 246,813.60 ~~251~~49.~~82372446~~23103913 20.~~22119040~~42878512 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 69.~~05659439~~93289337 ~~276~~261.~~40011094~~49137055 0.~~27640011~~26149137 69.~~05659439~~93289337 A-2 0.00000000 154.~~04982201~~90206807 ~~190~~180.~~58693848~~79005600 0.~~19058694~~18079006 154.~~04982201~~90206807 B-1 0.00000000 6.~~64366180~~44515815 ~~746~~733.~~57285888~~53250608 0.~~74657286~~73353251 6.~~64366180~~44515815 B-2 0.00000000 6.~~64366180~~44515815 ~~746~~733.~~57285888~~53250608 0.~~74657286~~73353251 6.~~64366180~~44515815 B-3 0.00000000 6.~~64364964~~44515815 ~~746~~733.~~57284672~~53250608 0.~~74657285~~73353251 6.~~64364964~~44515815 B-4 0.00000000 6.~~64364964~~44515815 ~~746~~733.~~57284672~~53250608 0.~~74657285~~73353251 6.~~64364964~~44515815 B-5 0.00000000 6.~~64367397~~44513382 ~~746~~733.~~57287105~~53248175 0.~~74657287~~73353248 6.~~64367397~~44513382 B-6 81(3.~~76486223~~96295018) 83(3.~~98605263~~53416505) ~~167~~52.~~83767183~~76520419 0.~~16783767~~05276520 20.~~22119040~~42878512 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.~~22537~~22539% 1817,~~280~~566,~~004~~008.8137 ~~140~~135,~~533~~044.2034 0.00 0.00 A-2 14,607,800.00 9.~~75045~~76035% 32,~~003~~712,~~900~~553.6741 2422,~~407~~062.8290 0.00 0.00 B-1 822,000.00 9.~~42053~~41666% ~~619~~608,~~143~~261.9764 4,~~860~~773.5516 0.00 0.00 B-2 822,000.00 9.~~42053~~41666% ~~619~~608,~~143~~261.9764 4,~~860~~773.5516 0.00 0.00 B-3 616,500.00 9.~~42053~~41666% ~~464~~456,~~357~~196.9823 3,~~645~~579.4187 0.00 0.00 B-4 205,500.00 9.~~42053~~41666% ~~154~~152,~~785~~065.9941 1,~~215~~193.1429 0.00 0.00 B-5 164,400.00 9.~~42053~~41666% ~~123~~121,~~828~~652.7933 ~~972~~954.1163 0.00 0.00 B-6 246,813.60 9.~~42053~~41666% 6212,~~153~~150.5289 ~~487~~95.9335 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 ~~180~~172,~~982~~476.7170 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.~~02)~~00 0.00 ~~140~~135,~~533~~044.2230 0.00 1716,~~888~~923,~~034~~172.7437 A-2 0.00 0.00 2422,~~407~~062.8290 0.00 2,~~784~~640,~~055~~944.8898 B-1 0.00 0.00 4,~~860~~773.5516 0.00 ~~613~~602,~~682~~963.8972 B-2 0.00 0.00 4,~~860~~773.5516 0.00 ~~613~~602,~~682~~963.8972 B-3 0.00 0.00 3,~~645~~579.4187 0.00 ~~460~~452,~~262~~222.1679 B-4 0.00 0.00 1,~~215~~193.1429 0.00 ~~153~~150,~~420~~740.7293 B-5 0.00 0.00 ~~972~~954.1163 0.00 ~~122~~120,~~736~~592.5874 B-6 0.00 0.00 ~~487~~95.9335 0.00 4113,~~424~~023.6217 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.~~02)~~00 0.00 ~~180~~172,~~982~~476.7366 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.~~22537~~22539% ~~282~~271.~~45670533~~42426392 2.~~17147343~~08666134 0.00000000 0.00000000 A-2 14,607,800.00 9.~~75045~~76035% ~~205~~185.~~63676050~~69212407 1.~~67087583~~51035063 0.00000000 0.00000000 B-1 822,000.00 9.~~42053~~41666% ~~753~~739.~~21650852~~97766423 5.~~91307786~~80676399 0.00000000 0.00000000 B-2 822,000.00 9.~~42053~~41666% ~~753~~739.~~21650852~~97766423 5.~~91307786~~80676399 0.00000000 0.00000000 B-3 616,500.00 9.~~42053~~41666% ~~753~~739.~~21651257~~97766423 5.~~91307380~~80676399 0.00000000 0.00000000 B-4 205,500.00 9.~~42053~~41666% ~~753~~739.~~21649635~~97766423 5.~~91309002~~80676399 0.00000000 0.00000000 B-5 164,400.00 9.~~42053~~41666% ~~753~~739.~~21648418~~97767640 5.~~91307786~~80675182 0.00000000 0.00000000 B-6 246,813.60 9.~~42053~~41666% ~~251~~49.~~82372446~~23103913 10.~~97691699~~38632393 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.~~00000031)~~00000000 0.00000000 2.~~17147373~~08666072 0.00000000 ~~276~~261.~~40011094~~49137055 A-2 0.00000000 0.00000000 1.~~67087583~~51035063 0.00000000 ~~190~~180.~~58693848~~79005600 B-1 0.00000000 0.00000000 5.~~91307786~~80676399 0.00000000 ~~746~~733.~~57285888~~53250608 B-2 0.00000000 0.00000000 5.~~91307786~~80676399 0.00000000 ~~746~~733.~~57285888~~53250608 B-3 0.00000000 0.00000000 5.~~91307380~~80676399 0.00000000 ~~746~~733.~~57284672~~53250608 B-4 0.00000000 0.00000000 5.~~91309002~~80676399 0.00000000 ~~746~~733.~~57284672~~53250608 B-5 0.00000000 0.00000000 5.~~91307786~~80675182 0.00000000 ~~746~~733.~~57287105~~53248175 B-6 0.00000000 0.00000000 10.~~97691699~~38632393 0.00000000 ~~167~~52.~~83767183~~76520419 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 ~~844~~910,~~131~~063.7049 Liquidations, Insurance Proceeds, Reserve Funds 0.00 Proceeds from Repurchased Loans 0.00 Other Amounts (Servicer Advances) 5155,~~289~~686.4013 Realized Loss (Gains, Subsequent Expenses & Recoveries) ~~(20,180~~0.~~68)~~00 Prepayment Penalties 0.00 Total Deposits ~~875~~965,~~240~~749.4262 Withdrawals Reimbursement for Servicer Advances 5855,~~103~~753.4687 Payment of Service Fee 6,~~315~~015.6749 Payment of Interest and Principal ~~810~~903,~~821~~980.2926 Total Withdrawals (Pool Distribution Amount) ~~875~~965,~~240~~749.4262 Ending Balance 0.00

SERVICING FEES Gross Servicing Fee 4,~~542~~325.0868 MBIA Insurance Fee 1,~~773~~689.5981 Special Servicing Fee 0.00 Supported Prepayment/Curtailment Interest Shortfall 0.00 Net Servicing Fee 6,~~315~~015.6749

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 57 0 0 57 98125,~~503~~744.3496 0.00 0.00 98125,~~503~~744.3496 30 Days 5068 0 0 0 5068 1,~~410~~749,~~076~~268.8580 0.00 0.00 0.00 1,~~410~~749,~~076~~268.8580 60 Days 1814 0 0 0 1814 ~~675~~236,~~377~~716.6602 0.00 0.00 0.00 ~~675~~236,~~377~~716.6602 90 Days 98 0 0 0 98 1245,~~099,522~~250.6958 0.00 0.00 0.00 1245,~~099,522~~250.6958 120 Days 34 2 1 2 0 67 46124,~~494~~379.6891 ~~133~~37,~~083~~035.0756 1232,~~615~~998.7648 0.00 ~~192~~194,~~193~~413.5195 150 Days 2 01 1 0 34 13843,~~997~~682.5219 095,615.0040 1376,~~052~~040.7597 0.00 271,~~050~~015,338.2756 180+ Days 34 21 36 1 912 3443,~~160~~791.9892 8273,~~531~~844.1877 ~~121~~174,~~668~~735.3918 26,380.58 ~~264~~318,~~741~~752.1345 Totals 85100 10 9 5 1 ~~100~~120 3,~~279~~243,~~630~~089.3842 ~~314~~332,~~117~~240.5969 ~~147~~283,~~336~~774.9063 26,380.58 3,~~767~~885,~~465~~485.4532 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.~~522466~~777778% 0.000000% 0.000000% 0.~~522466~~777778% 0.~~430719~~578982% 0.000000% 0.000000% 0.~~430719~~578982% 30 Days 57.~~224660~~555556% 0.000000% 0.000000% 0.000000% 57.~~224660~~555556% 68.~~165743~~054356% 0.000000% 0.000000% 0.000000% 68.~~165743~~054356% 60 Days 1.~~880878~~555556% 0.000000% 0.000000% 0.000000% 1.~~880878~~555556% 21.~~953176~~089938% 0.000000% 0.000000% 0.000000% 21.~~953176~~089938% 90 Days 0.~~940439~~888889% 0.000000% 0.000000% 0.000000% 0.~~940439~~888889% 41.~~807805~~129235% 0.000000% 0.000000% 0.000000% 41.~~807805~~129235% 120 Days 0.~~313480~~444444% 0.~~208986~~111111% 0.~~104493~~222222% 0.000000% 0.~~626959~~777778% 0.~~203304~~572697% 0.~~581923~~170527% 0.~~055164~~151939% 0.000000% 0.~~840391~~895162% 150 Days 0.~~208986~~222222% 0.~~000000~~111111% 0.~~104493~~111111% 0.000000% 0.~~313480~~444444% 03.~~061206~~884661% 0.~~000000~~440253% 0.~~057075~~350124% 0.000000% 04.~~118281~~675038% 180+ Days 0.~~313480~~444444% 0.~~208986~~111111% 0.~~313480~~666667% 0.~~104493~~111111% 01.~~940439~~333333% 0.~~149373~~201636% 0.~~360878~~340012% 0.~~532011~~804553% 0.~~115352~~121467% 1.~~157615~~467668% Totals 811.~~881923~~111111% 01.~~940439~~111111% 01.~~522466~~000000% 0.~~104493~~111111% 1013.~~449321~~333333% 14.~~340606~~932524% 1.~~373520~~529773% 01.~~644250~~306616% 0.~~115352~~121467% 1617.~~473728~~890380%

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 35 0 0 35 5886,~~151~~226.0973 0.00 0.00 5886,~~151~~226.0973 30 Days 4256 0 0 0 4256 1,~~094~~224,~~499~~777.0066 0.00 0.00 0.00 1,~~094~~224,~~499~~777.0066 60 Days 1712 0 0 0 1712 ~~642~~231,~~784~~435.1897 0.00 0.00 0.00 ~~642~~231,~~784~~435.1897 90 Days 78 0 0 0 78 1245,~~077,525~~250.2658 0.00 0.00 0.00 1245,~~077,525~~250.2658 120 Days 1 2 1 2 0 45 2790,~~398~~417.2869 ~~133~~37,~~083~~035.0756 1232,~~615~~998.7648 0.00 ~~173~~160,~~097~~451.1173 150 Days 2 1 0 1 0 24 10843,~~198~~682.19 095,615.0040 1376,~~052~~040.7597 0.00 231,~~250~~015,338.9456 180 Days 34 21 36 1 912 3443,~~160~~791.9892 8273,~~531~~844.1877 ~~121~~174,~~668~~735.3918 26,380.58 ~~264~~318,~~741~~752.1345 Totals 7184 78 59 1 84102 2,~~886~~679,~~565~~356.8901 ~~273~~292,~~765~~722.3446 ~~147~~283,~~336~~774.9063 26,380.58 3,~~334~~282,~~048~~233.7168 0-29 Days 0.~~371287~~657895% 0.000000% 0.000000% 0.~~371287~~657895% 0.~~295226~~460549% 0.000000% 0.000000% 0.~~295226~~460549% 30 Days 57.~~198020~~368421% 0.000000% 0.000000% 0.000000% 57.~~198020~~368421% 56.~~556638~~541711% 0.000000% 0.000000% 0.000000% 56.~~556638~~541711% 60 Days 21.~~103960~~578947% 0.000000% 0.000000% 0.000000% 21.~~103960~~578947% 31.~~263337~~236132% 0.000000% 0.000000% 0.000000% 31.~~263337~~236132% 90 Days 01.~~866337~~052632% 0.000000% 0.000000% 0.000000% 01.~~866337~~052632% 51.~~470464~~309918% 0.000000% 0.000000% 0.000000% 51.~~470464~~309918% 120 Days 0.~~123762~~263158% 0.~~247525~~131579% 0.~~123762~~263158% 0.000000% 0.~~495050~~657895% 0.~~139098~~482934% 0.~~675646~~197812% 0.~~064049~~176250% 0.000000% 0.~~878793~~856995% 150 Days 0.~~123762~~263158% 0.~~000000~~131579% 0.~~123762~~131579% 0.000000% 0.~~247525~~526316% 04.~~051775~~506226% 0.~~000000~~510695% 0.~~066267~~406146% 0.000000% 05.~~118042~~423067% 180 Days 0.~~371287~~526316% 0.~~247525~~131579% 0.~~371287~~789474% 0.~~123762~~131579% 1.~~113861~~578947% 0.~~173431~~233899% 0.~~419001~~394415% 0.~~617696~~933285% 0.~~133931~~140902% 1.~~344058~~702502% Totals 811.~~787129~~052632% 01.~~866337~~052632% 01.~~618812~~184211% 0.~~123762~~131579% 1013.~~396040~~421053% 14.~~654742~~310819% 1.~~389873~~563472% 01.~~748011~~515680% 0.~~133931~~140902% 1617.~~926557~~530874% 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 2 0 0 2 4039,~~352~~518.2523 0.00 0.00 4039,~~352~~518.2523 30 Days 812 0 0 0 812 ~~315~~524,~~577~~491.8514 0.00 0.00 0.00 ~~315~~524,~~577~~491.8514 60 Days 12 0 0 0 12 325,~~593~~280.4805 0.00 0.00 0.00 325,~~593~~280.4805 90 Days 20 0 0 0 20 ~~21,997~~0.4300 0.00 0.00 0.00 ~~21,997~~0.4300 120 Days 2 0 0 0 2 1933,~~096~~962.4022 0.00 0.00 0.00 1933,~~096~~962.4022 150 Days 10 0 0 0 10 ~~3,799~~0.3300 0.00 0.00 0.00 ~~3,799~~0.3300 180 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 Totals 1416 2 0 0 1618 ~~393~~563,~~064~~733.4941 4039,~~352~~518.2523 0.00 0.00 ~~433~~603,~~416~~251.7464 0-29 Days 1.~~342282~~428571% 0.000000% 0.000000% 1.~~342282~~428571% 1.~~271982~~319164% 0.000000% 0.000000% 1.~~271982~~319164% 30 Days 58.~~369128~~571429% 0.000000% 0.000000% 0.000000% 58.~~369128~~571429% 917.~~947632~~508112% 0.000000% 0.000000% 0.000000% 917.~~947632~~508112% 60 Days 01.~~671141~~428571% 0.000000% 0.000000% 0.000000% 01.~~671141~~428571% 10.~~027410~~176254% 0.000000% 0.000000% 0.000000% 10.~~027410~~176254% 90 Days 10.~~342282~~000000% 0.000000% 0.000000% 0.000000% 10.~~342282~~000000% 0.~~693402~~000000% 0.000000% 0.000000% 0.000000% 0.~~693402~~000000% 120 Days 1.~~342282~~428571% 0.000000% 0.000000% 0.000000% 1.~~342282~~428571% 01.~~601956~~133698% 0.000000% 0.000000% 0.000000% 01.~~601956~~133698% 150 Days 0.~~671141~~000000% 0.000000% 0.000000% 0.000000% 0.~~671141~~000000% 0.~~119762~~000000% 0.000000% 0.000000% 0.000000% 0.~~119762~~000000% 180 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% Totals 911.~~395973~~428571% 1.~~342282~~428571% 0.000000% 0.000000% 1012.~~738255~~857143% 1218.~~390162~~818063% 1.~~271982~~319164% 0.000000% 0.000000% 1320.~~662144~~137227%

OTHER INFORMATION Current Period Class A Insufficient Funds 0.00 Principal Balance of Contaminated Properties 0.00 Periodic Advance 5155,~~289~~686.4013

COLLATERAL STATEMENT Collateral Description Fixed 30 Year Weighted Average Gross Coupon 9.~~634973~~632106% Weighted Average Net Coupon 9.~~401320~~398676% Weighted Average Pass-Through Rate 9.~~401320~~398674% Weighted Average Maturity(Stepdown Calculation ) ~~240~~238 Beginning Scheduled Collateral Loan Count ~~990~~934 Number Of Loans Paid In Full 3334 Ending Scheduled Collateral Loan Count ~~957~~900 Beginning Scheduled Collateral Balance 2322,~~327~~237,~~319~~149.7091 Ending Scheduled Collateral Balance 2221,~~677~~506,~~300~~624.4740 Ending Actual Collateral Balance at 31-~~Aug~~Oct-2004 2221,~~869~~718,~~537~~293.6590 Monthly P &I Constant ~~392~~371,~~575~~344.1614 Special Servicing Fee 0.00 Prepayment Penalties 0.00 Realized Loss Amount ~~20,180~~(978.6811) Cumulative Realized Loss ~~155~~183,~~966~~896.8856 Ending Scheduled Balance for Premium Loans 2221,~~677~~506,~~300~~624.4740 Scheduled Principal ~~205~~192,~~276~~851.7599 Unscheduled Principal ~~444~~537,~~742~~673.4852

Miscellaneous Reporting Senior Percentage Group I 91.~~614861~~535362% Senior Percentage Group II 89.~~025047~~031253% Senior Prep. Percentage Group I 100.000000% Senior Prep. Percentage Group II 100.000000% Subordinate Percentage Group I 8.~~385139~~464638% Subordinate Percentage Group II 10.~~974953~~968747% 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.~~556255~~556181 10.~~100465~~110331 9.~~634973~~632106 Weighted Average Net Rate 9.~~325366~~325381 9.~~850466~~860338 9.~~401320~~398676 Weighted Average Maturity ~~240~~238 ~~200~~198 ~~240~~238 Beginning Loan Count ~~828~~791 ~~162~~143 ~~990~~934 Loans Paid In Full 2031 133 3334 Ending Loan Count ~~808~~760 ~~149~~140 ~~957~~900 Beginning Scheduled Balance 19,~~953~~190,~~100~~406.0097 3,~~374~~046,~~219~~742.7094 2322,~~327~~237,~~319~~149.7091 Ending scheduled Balance 1918,~~528~~534,~~298~~439.6237 32,~~149~~972,~~001~~185.8503 2221,~~677~~506,~~300~~624.4740 Record Date 0810/31/2004 0810/31/2004 0810/31/2004 Principal And Interest Constant ~~332~~316,~~861~~324.0506 5955,~~714~~020.1108 ~~392~~371,~~575~~344.1614 Scheduled Principal ~~173~~163,~~963~~501.6356 3129,~~313~~350.1243 ~~205~~192,~~276~~851.7599 Unscheduled Principal ~~250~~492,~~837~~466.7504 ~~193~~45,~~904~~207.7348 ~~444~~537,~~742~~673.4852 Scheduled Interest ~~158~~152,~~897~~822.4250 2825,~~400~~669.9965 ~~187~~178,~~298~~492.4115 Servicing Fees 3,~~839~~690.1296 ~~702~~634.9672 4,~~542~~325.0868 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 ~~155~~149,~~058~~131.3054 2725,~~698~~034.0393 ~~182~~174,~~756~~166.3347 Realized Loss Amount ~~18,244~~(708.22) ~~1,936~~(269.4689) ~~20,180~~(978.6811) Cumulative Realized Loss ~~137~~138,~~580~~453.7738 1845,~~386~~443.1118 ~~155~~183,~~966~~896.8856 Percentage of Cumulative Losses 0.~~2051~~2064 0.~~1215~~3002 0.~~1897~~2237 Prepayment Penalties 0.00 0.00 0.00 Special Servicing Fee 0.00 0.00 0.00 Pass-Through Rate 9.~~325366~~325380 9.~~850465~~860331 9.~~401320~~398674

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