8-K 1 sam01004.txt MAY 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): May 25, 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) ITEM 5. Other Events On May 25, 2004 a distribution was made to holders of STRUCTURED ASSET MORTGAGE INVESTMENTS INC., Mortgage Pass-Through Certificates, Series 2001-4 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 2001-4 Trust, relating to the May 25, 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 By: Wells Fargo Bank, N.A. as Trustee By: /s/ Beth Belfield as Assistant Vice President By: Beth Belfield as Assistant Vice President Date: 6/1/04 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 May 25, 2004 distribution. EX-99.1

Structured Asset Mortgage Investments Inc. Mortgage Pass-Through Certificates Record Date: 24/2930/~~2004~~04 Distribution Date: 35/25/~~2004~~04 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.~~26884~~25763% 2220,~~132~~948,~~158~~939.9743 ~~170~~161,~~949~~614.4555 ~~541~~924,~~346~~622.1858 A-2 86358HMD8 SEN 9.~~71477~~72624% 3,~~570~~477,~~737~~144.6937 28,~~907~~182.3995 51132,~~231~~499.0063 B-1 86358HMA4 SUB 9.~~45074~~44313% ~~653~~641,~~446~~835.0416 5,~~146~~050.2978 5,~~841~~705.3718 B-2 86358HMB2 SUB 9.~~45074~~44313% ~~653~~641,~~446~~835.0416 5,~~146~~050.2978 5,~~841~~705.3718 B-3 86358HMC0 SUB 9.~~45074~~44313% ~~490~~481,~~084~~376.5337 3,~~859~~788.7208 4,~~381~~278.0388 B-4 86358HME6 SUB 9.~~45074~~44313% ~~163~~160,~~361~~458.5179 1,~~286~~262.5769 1,~~460~~426.3429 B-5 86358HMF3 SUB 9.~~45074~~44313% ~~130~~128,~~689~~367.2103 1,~~029~~010.2616 1,~~168~~141.2704 B-6 86358HMG1 SUB 9.~~45074~~44313% ~~105~~101,~~536~~863.2173 ~~831~~801.1659 ~~943~~905.4245 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 2726,~~899~~581,~~460~~820.2004 ~~217~~206,~~156~~761.1358 ~~612~~1,~~212~~076,284.9823

Certificateholder Distribution Summary (continued) Current Ending Cumulative Realized Certificate Total Realized Class Loss Balance Distribution Losses A-1 0.00 2120,~~590~~024,~~812~~316.7885 ~~712~~1,~~295~~086,237.6313 0.00 A-2 0.00 3,~~519~~344,~~506~~644.6974 80160,~~138~~682.3958 0.00 B-1 0.00 ~~647~~636,~~604~~129.6798 10,~~987~~755.6696 0.00 B-2 0.00 ~~647~~636,~~604~~129.6798 10,~~987~~755.6696 0.00 B-3 0.00 ~~485~~477,~~703~~097.5049 8,~~240~~066.7596 0.00 B-4 0.00 ~~161~~159,~~901~~032.1649 2,~~746~~688.9198 0.00 B-5 0.00 ~~129~~127,~~520~~226.9300 2,~~197~~151.5320 0.00 B-6 ~~1,813~~0.3900 ~~102~~100,~~779~~958.3928 1,~~774~~707.5804 99,416.66 R-1 0.00 0.00 0.00 0.00 R-2 0.00 0.00 0.00 0.00 Totals ~~1,813~~0.3900 2725,~~285~~505,~~433~~535.7981 ~~829~~1,~~369~~283,045.1181 99,416.66 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 2220,~~132~~948,~~158~~939.9743 ~~186~~176,~~825~~195.7458 ~~354~~748,~~520~~427.4400 0.00 0.00 A-2 14,607,800.00 3,~~570~~477,~~737~~144.6937 3938,~~822~~356.6295 1194,~~408~~142.3868 0.00 0.00 B-1 822,000.00 ~~653~~641,~~446~~835.0416 5,~~841~~705.3718 0.00 0.00 0.00 B-2 822,000.00 ~~653~~641,~~446~~835.0416 5,~~841~~705.3718 0.00 0.00 0.00 B-3 616,500.00 ~~490~~481,~~084~~376.5337 4,~~381~~278.0388 0.00 0.00 0.00 B-4 205,500.00 ~~163~~160,~~361~~458.5179 1,~~460~~426.3429 0.00 0.00 0.00 B-5 164,400.00 ~~130~~128,~~689~~367.2103 1,~~168~~141.2704 0.00 0.00 0.00 B-6 246,813.60 ~~105~~101,~~536~~863.2173 ~~943~~905.4245 0.00 0.00 ~~1,813~~0.3900 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 2726,~~899~~581,~~460~~820.2004 ~~246~~233,~~284~~714.1655 ~~365~~842,~~928~~569.8268 0.00 ~~1,813~~0.3900 (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 ~~541~~924,~~346~~622.1858 2120,~~590~~024,~~812~~316.7885 0.~~33361424~~30940925 ~~541~~924,~~346~~622.1858 A-2 51132,~~231~~499.0063 3,~~519~~344,~~506~~644.6974 0.~~24093338~~22896293 51132,~~231~~499.0063 B-1 5,~~841~~705.3718 ~~647~~636,~~604~~129.6798 0.~~78784023~~77388075 5,~~841~~705.3718 B-2 5,~~841~~705.3718 ~~647~~636,~~604~~129.6798 0.~~78784023~~77388075 5,~~841~~705.3718 B-3 4,~~381~~278.0388 ~~485~~477,~~703~~097.5049 0.~~78784023~~77388076 4,~~381~~278.0388 B-4 1,~~460~~426.3429 ~~161~~159,~~901~~032.1649 0.~~78784019~~77388073 1,~~460~~426.3429 B-5 1,~~168~~141.2704 ~~129~~127,~~520~~226.9300 0.~~78784021~~77388078 1,~~168~~141.2704 B-6 ~~2,756~~905.8145 ~~102~~100,~~779~~958.3928 0.~~41642515~~40904667 ~~943~~905.4245 R-1 0.00 0.00 0.00000000 0.00 R-2 0.00 0.00 0.00000000 0.00 Totals ~~614~~1,~~026~~076,284.3723 2725,~~285~~505,~~433~~535.7981 0.~~33192782~~31027533 ~~612~~1,~~212~~076,284.9823

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 ~~341~~323.~~97894199~~69621743 2.~~88677074~~72251695 511.~~47793485~~56445126 0.00000000 A-2 14,607,800.00 ~~244~~238.~~44048317~~03340476 2.~~72612029~~62578554 06.~~78097866~~44468572 0.00000000 B-1 822,000.00 ~~794~~780.~~94652068~~82136253 76.~~10628954~~94060827 0.00000000 0.00000000 B-2 822,000.00 ~~794~~780.~~94652068~~82136253 76.~~10628954~~94060827 0.00000000 0.00000000 B-3 616,500.00 ~~794~~780.~~94652068~~82136253 76.~~10629359~~94060016 0.00000000 0.00000000 B-4 205,500.00 ~~794~~780.~~94652068~~82136253 76.~~10627737~~94058394 0.00000000 0.00000000 B-5 164,400.00 ~~794~~780.~~94653285~~82135036 76.~~10626521~~94063260 0.00000000 0.00000000 B-6 246,813.60 ~~427~~412.~~59479218~~71522315 3.~~82239877~~66855797 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 814.~~36470559~~28696821 ~~333~~309.~~61423625~~40924922 0.~~33361424~~30940925 814.~~36470559~~28696821 A-2 0.00000000 39.~~50709895~~07047126 ~~240~~228.~~93338422~~96293350 0.~~24093338~~22896293 39.~~50709895~~07047126 B-1 0.00000000 76.~~10628954~~94060827 ~~787~~773.~~84023114~~88075426 0.~~78784023~~77388075 76.~~10628954~~94060827 B-2 0.00000000 76.~~10628954~~94060827 ~~787~~773.~~84023114~~88075426 0.~~78784023~~77388075 76.~~10628954~~94060827 B-3 0.00000000 76.~~10629359~~94060016 ~~787~~773.~~84022709~~88076237 0.~~78784023~~77388076 76.~~10629359~~94060016 B-4 0.00000000 76.~~10627737~~94058394 ~~787~~773.~~84019465~~88072993 0.~~78784019~~77388073 76.~~10627737~~94058394 B-5 0.00000000 76.~~10626521~~94063260 ~~787~~773.~~84020681~~88077859 0.~~78784021~~77388078 76.~~10626521~~94063260 B-6 70.~~34720453~~00000000 113.~~16960330~~66855797 ~~416~~409.~~42514837~~04666518 0.~~41642515~~40904667 3.~~82239877~~66855797 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.~~26884~~25763% 2220,~~132~~948,~~158~~939.9743 ~~170~~161,~~949~~614.5657 0.00 0.00 A-2 14,607,800.00 9.~~71477~~72624% 3,~~570~~477,~~737~~144.6937 28,~~907~~182.4195 0.00 0.00 B-1 822,000.00 9.~~45074~~44313% ~~653~~641,~~446~~835.0416 5,~~146~~050.2978 0.00 0.00 B-2 822,000.00 9.~~45074~~44313% ~~653~~641,~~446~~835.0416 5,~~146~~050.2978 0.00 0.00 B-3 616,500.00 9.~~45074~~44313% ~~490~~481,~~084~~376.5337 3,~~859~~788.7208 0.00 0.00 B-4 205,500.00 9.~~45074~~44313% ~~163~~160,~~361~~458.5179 1,~~286~~262.5769 0.00 0.00 B-5 164,400.00 9.~~45074~~44313% ~~130~~128,~~689~~367.2103 1,~~029~~010.2616 0.00 0.00 B-6 246,813.60 9.~~45074~~44313% ~~105~~101,~~536~~863.2173 ~~831~~801.1659 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 ~~217~~206,~~156~~761.2660 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 0.0002 0.00 ~~170~~161,~~949~~614.4555 0.00 2120,~~590~~024,~~812~~316.7885 A-2 0.00 0.00 28,~~907~~182.3995 0.00 3,~~519~~344,~~506~~644.6974 B-1 0.00 0.00 5,~~146~~050.2978 0.00 ~~647~~636,~~604~~129.6798 B-2 0.00 0.00 5,~~146~~050.2978 0.00 ~~647~~636,~~604~~129.6798 B-3 0.00 0.00 3,~~859~~788.7208 0.00 ~~485~~477,~~703~~097.5049 B-4 0.00 0.00 1,~~286~~262.5769 0.00 ~~161~~159,~~901~~032.1649 B-5 0.00 0.00 1,~~029~~010.2616 0.00 ~~129~~127,~~520~~226.9300 B-6 0.00 0.00 ~~831~~801.1659 0.00 ~~102~~100,~~779~~958.3928 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 0.0002 0.00 ~~217~~206,~~156~~761.1358 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.~~26884~~25763% ~~341~~323.~~97894199~~69621743 2.~~64145715~~49721592 0.00000000 0.00000000 A-2 14,607,800.00 9.~~71477~~72624% ~~244~~238.~~44048317~~03340476 1.~~97890237~~92930831 0.00000000 0.00000000 B-1 822,000.00 9.~~45074~~44313% ~~794~~780.~~94652068~~82136253 6.~~26069343~~14450122 0.00000000 0.00000000 B-2 822,000.00 9.~~45074~~44313% ~~794~~780.~~94652068~~82136253 6.~~26069343~~14450122 0.00000000 0.00000000 B-3 616,500.00 9.~~45074~~44313% ~~794~~780.~~94652068~~82136253 6.~~26069749~~14449311 0.00000000 0.00000000 B-4 205,500.00 9.~~45074~~44313% ~~794~~780.~~94652068~~82136253 6.~~26068127~~14447689 0.00000000 0.00000000 B-5 164,400.00 9.~~45074~~44313% ~~794~~780.~~94653285~~82135036 6.~~26070560~~14452555 0.00000000 0.00000000 B-6 246,813.60 9.~~45074~~44313% ~~427~~412.~~59479218~~71522315 3.~~36756159~~24775458 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~~00000031 0.00000000 2.~~64145546~~49721561 0.00000000 ~~333~~309.~~61423625~~40924922 A-2 0.00000000 0.00000000 1.~~97890100~~92930831 0.00000000 ~~240~~228.~~93338422~~96293350 B-1 0.00000000 0.00000000 6.~~26069343~~14450122 0.00000000 ~~787~~773.~~84023114~~88075426 B-2 0.00000000 0.00000000 6.~~26069343~~14450122 0.00000000 ~~787~~773.~~84023114~~88075426 B-3 0.00000000 0.00000000 6.~~26069749~~14449311 0.00000000 ~~787~~773.~~84022709~~88076237 B-4 0.00000000 0.00000000 6.~~26068127~~14447689 0.00000000 ~~787~~773.~~84019465~~88072993 B-5 0.00000000 0.00000000 6.~~26070560~~14452555 0.00000000 ~~787~~773.~~84020681~~88077859 B-6 0.00000000 0.00000000 3.~~36756159~~24775458 0.00000000 ~~416~~409.~~42514837~~04666518 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 ~~835~~1,~~009~~291,852.3733 Liquidations, Insurance Proceeds, Reserve Funds 0.00 Proceeds from Repurchased Loans 0.00 Other Amounts (Servicer Advances) 5749,~~706~~914.6561 Realized Loss (Gains, Subsequent Expenses & Recoveries) ~~(1,813~~0.~~39)~~00 Prepayment Penalties 0.00 Total Deposits ~~890~~1,~~902~~341,766.6394 Withdrawals Reimbursement for Servicer Advances 5351,~~936~~492.6686 Payment of Service Fee 7,~~596~~228.8627 Payment of Interest and Principal ~~829~~1,~~369~~283,045.1181 Total Withdrawals (Pool Distribution Amount) ~~890~~1,~~902~~341,766.6394 Ending Balance 0.00

SERVICING FEES Gross Servicing Fee 5,~~455~~192.0484 MBIA Insurance Fee 2,~~141~~035.8243 Special Servicing Fee 0.00 Supported Prepayment/Curtailment Interest Shortfall 0.00 Net Servicing Fee 7,~~596~~228.8627

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 35 0 0 35 62116,~~628~~052.0571 0.00 0.00 62116,~~628~~052.0571 30 Days 8670 10 0 0 8770 21,~~597~~996,~~973~~123.1325 ~~48,258~~0.7100 0.00 0.00 21,~~646~~996,~~231~~123.8425 60 Days 2318 0 0 0 2318 ~~525~~663,~~682~~404.9960 0.00 0.00 0.00 ~~525~~663,~~682~~404.9960 90 Days 74 1 0 0 85 ~~310~~242,~~063~~483.9641 96,~~966~~525.6453 0.00 0.00 ~~407~~339,~~030~~008.6094 120 Days 70 1 04 0 85 ~~170,166~~0.6400 37,~~822~~629.2087 070,128.0085 0.00 ~~207~~107,~~988~~758.8472 150 Days 3 1 20 2 0 54 339,~~756~~168.5455 387,~~872~~784.1520 ~~46,321~~0.6600 0.00 8846,~~950~~952.3575 180+ Days 0 12 98 02 1012 0.00 7483,~~746~~656.9884 ~~224~~171,~~981~~096.6461 064,194.0042 ~~299~~318,~~728~~947.6287 Totals ~~124~~95 910 1112 02 ~~144~~119 32,~~607~~941,~~643~~179.2681 ~~359~~341,~~294~~649.7315 ~~271~~241,~~303~~225.3046 064,194.0042 43,~~238~~588,~~241~~248.2984 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.~~256191~~457875% 0.000000% 0.000000% 0.~~256191~~457875% 0.~~227563~~451241% 0.000000% 0.000000% 0.~~227563~~451241% 30 Days 76.~~344150~~410256% 0.~~085397~~000000% 0.000000% 0.000000% 76.~~429547~~410256% 97.~~439905~~761418% 0.~~175351~~000000% 0.000000% 0.000000% 97.~~615256~~761418% 60 Days 1.~~964133~~648352% 0.000000% 0.000000% 0.000000% 1.~~964133~~648352% 12.~~910103~~579480% 0.000000% 0.000000% 0.000000% 12.~~910103~~579480% 90 Days 0.~~597780~~366300% 0.~~085397~~091575% 0.000000% 0.000000% 0.~~683177~~457875% 10.~~126638~~942835% 0.~~352335~~375315% 0.000000% 0.000000% 1.~~478972~~318150% 120 Days 0.~~597780~~000000% 0.~~085397~~091575% 0.~~000000~~366300% 0.000000% 0.~~683177~~457875% 0.~~618312~~000000% 0.~~137429~~146314% 0.~~000000~~272678% 0.000000% 0.~~755741~~418992% 150 Days 0.~~085397~~274725% 0.~~170794~~091575% 0.~~170794~~000000% 0.000000% 0.~~426985~~366300% 0.~~013650~~152297% 0.~~141244~~030267% 0.~~168313~~000000% 0.000000% 0.~~323207~~182564% 180+ Days 0.000000% 0.~~085397~~183150% 0.~~768574~~732601% 0.~~000000~~183150% 01.~~853971~~098901% 0.000000% 0.~~271598~~325278% 0.~~817485~~665266% 0.~~000000~~249604% 1.~~089083~~240148% Totals 108.~~589240~~699634% 0.~~768574~~915751% 01.~~939368~~098901% 0.~~000000~~183150% 1210.~~297182~~897436% 1311.~~108607~~436030% 1.~~305521~~328416% 0.~~985798~~937944% 0.~~000000~~249604% 1513.~~399926~~951993%

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 23 0 0 23 2974,~~305~~070.6657 0.00 0.00 2974,~~305~~070.6657 30 Days 7760 0 0 0 7760 21,~~322~~757,~~646~~144.6495 0.00 0.00 0.00 21,~~322~~757,~~646~~144.6495 60 Days 1913 0 0 0 1913 ~~424~~590,~~548~~809.0879 0.00 0.00 0.00 ~~424~~590,~~548~~809.0879 90 Days 52 1 0 0 63 ~~134~~77,~~122~~749.3994 96,~~966~~525.6453 0.00 0.00 ~~231~~174,~~089~~275.0347 120 Days 30 1 03 0 4 ~~67,081~~0.6600 37,~~822~~629.2087 051,588.0097 0.00 ~~104~~89,~~903~~218.8684 150 Days 3 1 20 2 0 54 339,~~756~~168.5455 387,~~872~~784.1520 ~~46,321~~0.6600 0.00 8846,~~950~~952.3575 180 Days 0 12 98 02 1012 0.00 7483,~~746~~656.9884 ~~224~~171,~~981~~096.6461 064,194.0042 ~~299~~318,~~728~~947.6287 Totals ~~105~~78 78 11 02 ~~123~~99 2,~~952~~464,~~155~~873.3123 ~~277~~299,~~713~~667.6301 ~~271~~222,~~303~~685.3058 064,194.0042 3,~~501~~051,~~172~~420.24 0-29 Days 0.~~204708~~330396% 0.000000% 0.000000% 0.~~204708~~330396% 0.~~124355~~337405% 0.000000% 0.000000% 0.~~124355~~337405% 30 Days 76.~~881269~~607930% 0.000000% 0.000000% 0.000000% 76.~~881269~~607930% 98.~~855844~~004125% 0.000000% 0.000000% 0.000000% 98.~~855844~~004125% 60 Days 1.~~944729~~431718% 0.000000% 0.000000% 0.000000% 1.~~944729~~431718% 12.~~801514~~691250% 0.000000% 0.000000% 0.000000% 12.~~801514~~691250% 90 Days 0.~~511771~~220264% 0.~~102354~~110132% 0.000000% 0.000000% 0.~~614125~~330396% 0.~~569131~~354166% 0.~~411465~~439692% 0.000000% 0.000000% 0.~~980596~~793857% 120 Days 0.~~307062~~000000% 0.~~102354~~110132% 0.~~000000~~330396% 0.000000% 0.~~409417~~440529% 0.~~284652~~000000% 0.~~160494~~171411% 0.~~000000~~234997% 0.000000% 0.~~445146~~406409% 150 Days 0.~~102354~~330396% 0.~~204708~~110132% 0.~~204708~~000000% 0.000000% 0.~~511771~~440529% 0.~~015940~~178420% 0.~~164949~~035458% 0.~~196560~~000000% 0.000000% 0.~~377449~~213879% 180 Days 0.000000% 0.~~102354~~220264% 0.~~921187~~881057% 0.~~000000~~220264% 1.~~023541~~321586% 0.000000% 0.~~317179~~381073% 0.~~954680~~779377% 0.~~000000~~292418% 1.~~271859~~452867% Totals 108.~~747185~~590308% 0.~~716479~~881057% 1.~~125896~~211454% 0.~~000000~~220264% 1210.~~589560~~903084% 1211.~~527081~~227960% 1.~~178441~~365039% 1.~~151240~~014375% 0.~~000000~~292418% 1413.~~856762~~899792% 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 12 0 0 12 3341,~~322~~982.3914 0.00 0.00 3341,~~322~~982.3914 30 Days 910 10 0 0 10 ~~275~~238,~~326~~978.4930 ~~48,258~~0.7100 0.00 0.00 ~~323~~238,~~585~~978.2030 60 Days 45 0 0 0 45 ~~101~~72,~~134~~594.9181 0.00 0.00 0.00 ~~101~~72,~~134~~594.9181 90 Days 2 0 0 0 2 ~~175~~164,~~941~~733.5747 0.00 0.00 0.00 ~~175~~164,~~941~~733.5747 120 Days 4 0 0 1 0 41 ~~103,084.98~~ 0.00 0.00 18,539.88 0.00 ~~103~~18,~~084~~539.9888 150 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 180 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 Totals 1917 2 01 0 2120 ~~655~~476,~~487~~306.9558 8141,~~581~~982.1014 018,539.0088 0.00 ~~737~~536,~~069~~828.0560 0-29 Days 01.~~515464~~086957% 0.000000% 0.000000% 01.~~515464~~086957% 01.~~842540~~114902% 0.000000% 0.000000% 01.~~842540~~114902% 30 Days 45.~~639175~~434783% 0.~~515464~~000000% 0.000000% 0.000000% 5.~~154639~~434783% 6.~~961491~~346443% 10.~~220197~~000000% 0.000000% 0.000000% 86.~~181688~~346443% 60 Days 2.~~061856~~717391% 0.000000% 0.000000% 0.000000% 2.~~061856~~717391% 21.~~557145~~927869% 0.000000% 0.000000% 0.000000% 21.~~557145~~927869% 90 Days 1.~~030928~~086957% 0.000000% 0.000000% 0.000000% 1.~~030928~~086957% 4.~~448594~~374755% 0.000000% 0.000000% 0.000000% 4.~~448594~~374755% 120 Days 20.~~061856~~000000% 0.000000% 0.~~000000~~543478% 0.000000% 20.~~061856~~543478% 20.~~606452~~000000% 0.000000% 0.~~000000~~492356% 0.000000% 20.~~606452~~492356% 150 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 180 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% Totals 9.~~793814~~239130% 1.~~030928~~086957% 0.~~000000~~543478% 0.000000% 10.~~824742~~869565% 1612.~~573681~~649068% 21.~~062737~~114902% 0.~~000000~~492356% 0.000000% 1814.~~636418~~256325%

OTHER INFORMATION Current Period Class A Insufficient Funds 0.00 Principal Balance of Contaminated Properties 0.00 Periodic Advance 5749,~~706~~914.6561

COLLATERAL STATEMENT Collateral Description Fixed 30 Year Weighted Average Gross Coupon 9.~~666982~~660279% Weighted Average Net Coupon 9.~~432352~~425856% Weighted Average Pass-Through Rate 9.~~432352~~425856% Weighted Average Maturity(Stepdown Calculation ) ~~246~~244 Beginning Scheduled Collateral Loan Count 1,~~196~~139 Number Of Loans Paid In Full 2547 Ending Scheduled Collateral Loan Count 1,~~171~~092 Beginning Scheduled Collateral Balance 2726,~~899~~581,~~460~~820.1904 Ending Scheduled Collateral Balance 2725,~~285~~505,~~433~~535.80 Ending Actual Collateral Balance at 2930-~~Feb~~Apr-2004 2725,~~521~~718,~~180~~538.1480 Monthly P &I Constant ~~471~~447,~~037~~704.1740 Special Servicing Fee 0.00 Prepayment Penalties 0.00 Realized Loss Amount ~~1,813~~0.3900 Cumulative Realized Loss 99,416.68 Ending Scheduled Balance for Premium Loans 2725,~~285~~505,~~433~~535.80 Scheduled Principal ~~246~~233,~~284~~714.1856 Unscheduled Principal ~~367~~842,~~742~~569.2168

Miscellaneous Reporting Senior Percentage Group I 92.~~505367~~240037% Senior Percentage Group II 89.~~848190~~837327% Senior Prep. Percentage Group I 100.000000% Senior Prep. Percentage Group II 100.000000% Subordinate Percentage Group I 7.~~494633~~759963% Subordinate Percentage Group II 10.~~151810~~162673% 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.~~600912~~589390 10.~~064738~~076248 9.~~666982~~660279 Weighted Average Net Rate 9.~~368835~~357621 9.~~814740~~826245 9.~~432352~~425856 Weighted Average Maturity ~~246~~244 ~~206~~204 ~~246~~244 Beginning Loan Count ~~999~~948 ~~197~~191 1,~~196~~139 Loans Paid In Full 2240 37 2547 Ending Loan Count ~~977~~908 ~~194~~184 1,~~171~~092 Beginning Scheduled Balance 2322,~~925~~711,~~270~~330.2847 3,~~974~~870,~~189~~489.9157 2726,~~899~~581,~~460~~820.1904 Ending scheduled Balance 2321,~~368~~771,~~127~~884.1992 3,~~917~~733,~~306~~650.6188 2725,~~285~~505,~~433~~535.80 Record Date 0204/2930/2004 0204/2930/2004 0204/2930/2004 Principal And Interest Constant ~~393~~372,~~382~~508.4038 7775,~~654~~196.7702 ~~471~~447,~~037~~704.1740 Scheduled Principal ~~201~~191,~~962~~018.0655 4442,~~322~~696.1201 ~~246~~233,~~284~~714.1856 Unscheduled Principal ~~355~~748,~~181~~427.0300 1294,~~561~~142.1868 ~~367~~842,~~742~~569.2168 Scheduled Interest ~~191~~181,~~420~~489.3483 3332,~~332~~500.6501 ~~224~~213,~~752~~989.9984 Servicing Fees 4,~~627~~386.0948 ~~827~~806.9536 5,~~455~~192.0484 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 ~~186~~177,~~793~~103.2535 3231,~~504~~693.7065 ~~219~~208,~~297~~797.9500 Realized Loss Amount ~~660~~0.5900 ~~1,152~~0.8000 ~~1,813~~0.3900 Cumulative Realized Loss 89,447.40 9,969.28 99,416.68 Percentage of Cumulative Losses 0.1334 0.0659 0.1209 Prepayment Penalties 0.00 0.00 0.00 Special Servicing Fee 0.00 0.00 0.00 Pass-Through Rate 9.~~368835~~357621 9.~~814738~~826245 9.~~432352~~425856

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