8-K 1 sam03ar4_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 20, 2004 STRUCTURED ASSET MORTGAGE INVESTMENTS II INC. Mortgage Pass-Through Certificates, Series 2003-AR4 Trust (Exact name of registrant as specified in its charter) New York (governing law of 333-106323-11 54-2142264 Pooling and Servicing Agreement) (Commission 54-2142265 (State or other File Number) 54-2142266 jurisdiction IRS EIN 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 20, 2004 a distribution was made to holders of STRUCTURED ASSET MORTGAGE INVESTMENTS II INC., Mortgage Pass-Through Certificates, Series 2003-AR4 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 2003-AR4 Trust, relating to the December 20, 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 II INC. Mortgage Pass-Through Certificates, Series 2003-AR4 Trust (Registrant) By: Wells Fargo Bank, N.A. as Securities Administrator By: /s/ Beth Belfield as Assistant Vice President By: Beth Belfield as Assistant Vice President Date: 12/21/2004 INDEX TO EXHIBITS Exhibit Number Description EX-99.1 Monthly report distributed to holders of Mortgage Pass-Through Certificates, Series 2003-AR4 Trust, relating to the December 20, 2004 distribution. EX-99.1

Structured Asset Mortgage Investments Inc. Mortgage Pass-Through Certificates Record Date: 911/30/042004 Distribution Date: 1012/1920/042004 ~~SAM~~Structured Asset Mortgage Investments Inc. Mortgage Pass-Through Certificates Series: 2003-AR4 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 86359LAA7 SEN 2.~~16125~~48000% ~~346~~337,~~997~~385,~~604~~614.4868 ~~624~~696,~~957~~689.1507 58,~~208~~742,~~803~~676.0640 A-2 86359LAB5 SEN 3.~~13854~~84628% 7975,~~209~~903,~~549~~275.5001 ~~207~~243,~~168~~087.4608 23,~~030~~577,~~651~~741.4759 X 86359LAC3 SEN 01.~~84953~~27626% 0.00 ~~260~~385,~~474~~223.0344 0.00 R-I 86359LAE9 RES 0.00000% 0.00 0.00 0.00 R-II 86359LAF6 RES 0.00000% 0.00 0.00 0.00 R-III 86359LAG4 RES 0.00000% 0.00 0.00 0.00 M 86359LAD1 SUB 2.~~43125~~75000% 9,~~742~~740,~~057~~562.7009 1922,~~737~~303.8173 ~~788~~586.4193 B-1 86359LAH2 SUB 2.~~56125~~88000% 7,~~493~~492,~~890~~740.5407 1517,~~994~~967.7776 ~~606~~451.4749 B-2 86359LAJ8 SUB 3.~~31125~~63000% 5,~~495~~494,~~519~~676.7305 1516,~~164~~607.2070 ~~444~~331.7509 B-3 86359LAK5 SUB 34.~~96125~~28000% 3,746,~~945~~370.2704 1213,~~368~~352.8225 ~~303~~225.2474 B-4 86359LAL3 SUB 3.~~06515~~81093% 1,498,~~778~~548.1101 34,~~828~~755.3213 ~~121~~90.2930 B-5 86359LAM1 SUB 3.~~06515~~81093% 1,498,~~778~~548.1101 34,~~828~~755.3213 ~~121~~90.2930 B-6 86359LAN9 SUB 3.~~06515~~81093% 2,997,~~691~~230.1089 79,~~656~~510.9969 ~~242~~180.60 Totals ~~458~~445,~~680~~757,~~814~~564.5485 1,~~171~~414,~~178~~251.8798 712,~~242~~322,~~082~~374.5844

Certificateholder Distribution Summary (continued) Current Ending Cumulative Realized Certificate Total Realized Class Loss Balance Distribution Losses A-1 0.00 ~~341~~328,~~788~~642,~~801~~938.4228 59,~~833~~439,~~760~~365.2147 0.00 A-2 0.00 7772,~~178~~325,~~898~~533.0342 23,~~237~~820,~~819~~828.9367 0.00 X 0.00 0.00 ~~260~~385,~~474~~223.0344 0.00 R-I 0.00 0.00 0.00 0.00 R-II 0.00 0.00 0.00 0.00 R-III 0.00 0.00 0.00 0.00 M 0.00 9,~~741~~739,~~269~~975.2916 2022,~~526~~890.2266 0.00 B-1 0.00 7,~~493~~492,~~284~~288.0759 1618,~~601~~419.2425 0.00 B-2 0.00 5,~~495~~494,~~074~~344.9896 1516,~~608~~938.9579 0.00 B-3 0.00 3,746,~~642~~144.0329 1213,~~672~~577.0699 0.00 B-4 0.00 1,498,~~656~~457.8172 34,~~949~~845.6143 0.00 B-5 0.00 1,498,~~656~~457.8172 34,~~949~~845.6143 0.00 B-6 0.00 2,997,~~448~~050.5029 79,~~899~~691.5929 0.00 Totals 0.00 ~~451~~433,~~438~~435,~~731~~190.9443 813,~~413~~736,~~261~~626.4542 0.00 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-1 374,175,000.00 ~~346~~337,~~997~~385,~~604~~614.4868 0.00 58,~~208~~742,~~803~~676.0640 0.00 0.00 A-2 93,324,900.00 7975,~~209~~903,~~549~~275.5001 3223,~~217~~000.1053 13,~~998~~554,~~434~~741.3706 0.00 0.00 X 0.00 0.00 0.00 0.00 0.00 0.00 R-I 50.00 0.00 0.00 0.00 0.00 0.00 R-II 50.00 0.00 0.00 0.00 0.00 0.00 R-III 50.00 0.00 0.00 0.00 0.00 0.00 M 9,750,000.00 9,~~742~~740,~~057~~562.7009 ~~788~~586.4193 0.00 0.00 0.00 B-1 7,500,000.00 7,~~493~~492,~~890~~740.5407 ~~606~~451.4749 0.00 0.00 0.00 B-2 5,500,000.00 5,~~495~~494,~~519~~676.7305 ~~444~~331.7509 0.00 0.00 0.00 B-3 3,750,000.00 3,746,~~945~~370.2704 ~~303~~225.2474 0.00 0.00 0.00 B-4 1,500,000.00 1,498,~~778~~548.1101 ~~121~~90.2930 0.00 0.00 0.00 B-5 1,500,000.00 1,498,~~778~~548.1101 ~~121~~90.2930 0.00 0.00 0.00 B-6 3,000,135.00 2,997,~~691~~230.1089 ~~242~~180.60 0.00 0.00 0.00 Totals 500,000,185.00 ~~458~~445,~~680~~757,~~814~~564.5485 3424,~~845~~956.1598 712,~~207~~297,~~237~~417.4346 0.00 0.00 (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 58,~~208~~742,~~803~~676.0640 ~~341~~328,~~788~~642,~~801~~938.4228 0.~~91344639~~87831346 58,~~208~~742,~~803~~676.0640 A-2 23,~~030~~577,~~651~~741.4759 7772,~~178~~325,~~898~~533.0342 0.~~82699149~~77498646 23,~~030~~577,~~651~~741.4759 X 0.00 0.00 0.00000000 0.00 R-I 0.00 0.00 0.00000000 0.00 R-II 0.00 0.00 0.00000000 0.00 R-III 0.00 0.00 0.00000000 0.00 M ~~788~~586.4193 9,~~741~~739,~~269~~975.2916 0.~~99910454~~99897181 ~~788~~586.4193 B-1 ~~606~~451.4749 7,~~493~~492,~~284~~288.0759 0.~~99910454~~99897181 ~~606~~451.4749 B-2 ~~444~~331.7509 5,~~495~~494,~~074~~344.9896 0.~~99910454~~99897181 ~~444~~331.7509 B-3 ~~303~~225.2474 3,746,~~642~~144.0329 0.~~99910454~~99897181 ~~303~~225.2474 B-4 ~~121~~90.2930 1,498,~~656~~457.8172 0.~~99910454~~99897181 ~~121~~90.2930 B-5 ~~121~~90.2930 1,498,~~656~~457.8172 0.~~99910454~~99897181 ~~121~~90.2930 B-6 ~~242~~180.60 2,997,~~448~~050.5029 0.~~99910454~~99897181 ~~242~~180.60 Totals 712,~~242~~322,~~082~~374.5844 ~~451~~433,~~438~~435,~~731~~190.9443 0.~~90287713~~86687006 712,~~242~~322,~~082~~374.5844

Principal Distribution Factors Statement Original Beginning Scheduled Unscheduled Face Certificate Principal Principal Class (2) Amount Balance Distribution Distribution Accretion A-1 374,175,000.00 ~~927~~901.~~36715302~~67866554 0.00000000 1323.~~92076718~~36520719 0.00000000 A-2 93,324,900.00 ~~848~~813.~~75043531~~32286464 0.~~34521441~~24645652 2138.~~41373171~~08995306 0.00000000 X 0.00 0.00000000 0.00000000 0.00000000 0.00000000 R-I 50.00 0.00000000 0.00000000 0.00000000 0.00000000 R-II 50.00 0.00000000 0.00000000 0.00000000 0.00000000 R-III 50.00 0.00000000 0.00000000 0.00000000 0.00000000 M 9,750,000.00 999.~~18540513~~03200923 0.~~08086256~~06019795 0.00000000 0.00000000 B-1 7,500,000.00 999.~~18540533~~03200933 0.~~08086267~~06019867 0.00000000 0.00000000 B-2 5,500,000.00 999.~~18540545~~03200909 0.~~08086364~~06019818 0.00000000 0.00000000 B-3 3,750,000.00 999.~~18540533~~03201067 0.~~08086400~~06019733 0.00000000 0.00000000 B-4 1,500,000.00 999.~~18540667~~03200667 0.~~08086000~~06020000 0.00000000 0.00000000 B-5 1,500,000.00 999.~~18540667~~03200667 0.~~08086000~~06020000 0.00000000 0.00000000 B-6 3,000,135.00 999.~~18540332~~03200689 0.~~08086303~~06019729 0.00000000 0.00000000

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 1323.~~92076718~~36520719 ~~913~~878.~~44638584~~31345836 0.~~91344639~~87831346 1323.~~92076718~~36520719 A-2 0.00000000 2138.~~75894611~~33640958 ~~826~~774.~~99148920~~98645506 0.~~82699149~~77498646 2138.~~75894611~~33640958 X 0.00000000 0.00000000 0.00000000 0.00000000 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 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 M 0.00000000 0.~~08086256~~06019795 ~~999~~998.~~10454256~~97181128 0.~~99910454~~99897181 0.~~08086256~~06019795 B-1 0.00000000 0.~~08086267~~06019867 ~~999~~998.~~10454267~~97181200 0.~~99910454~~99897181 0.~~08086267~~06019867 B-2 0.00000000 0.~~08086364~~06019818 ~~999~~998.~~10454182~~97181091 0.~~99910454~~99897181 0.~~08086364~~06019818 B-3 0.00000000 0.~~08086400~~06019733 ~~999~~998.~~10454133~~97181067 0.~~99910454~~99897181 0.~~08086400~~06019733 B-4 0.00000000 0.~~08086000~~06020000 ~~999~~998.~~10454000~~97181333 0.~~99910454~~99897181 0.~~08086000~~06020000 B-5 0.00000000 0.~~08086000~~06020000 ~~999~~998.~~10454000~~97181333 0.~~99910454~~99897181 0.~~08086000~~06020000 B-6 0.00000000 0.~~08086303~~06019729 ~~999~~998.~~10454030~~97180960 0.~~99910454~~99897181 0.~~08086303~~06019729 (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-1 374,175,000.00 2.~~16125~~48000% ~~346~~337,~~997~~385,~~604~~614.4868 ~~624~~697,~~957~~263.1460 0.00 0.00 A-2 93,324,900.00 3.~~13854~~84628% 7975,~~209~~903,~~549~~275.5001 ~~207~~243,~~168~~287.4654 0.00 0.00 X 0.00 01.~~84953~~27626% ~~373~~363,~~476~~859,~~017~~962.7293 ~~264~~386,~~399~~983.0871 0.00 0.00 R-I 50.00 0.00000% 0.00 0.00 0.00 0.00 R-II 50.00 0.00000% 0.00 0.00 0.00 0.00 R-III 50.00 0.00000% 0.00 0.00 0.00 0.00 M 9,750,000.00 2.~~43125~~75000% 9,~~742~~740,~~057~~562.7009 1922,~~737~~322.8112 0.00 0.00 B-1 7,500,000.00 2.~~56125~~88000% 7,~~493~~492,~~890~~740.5407 1517,~~994~~982.7758 0.00 0.00 B-2 5,500,000.00 3.~~31125~~63000% 5,~~495~~494,~~519~~676.7305 1516,~~164~~621.2040 0.00 0.00 B-3 3,750,000.00 34.~~96125~~28000% 3,746,~~945~~370.2704 1213,~~368~~362.8205 0.00 0.00 B-4 1,500,000.00 3.~~06515~~81093% 1,498,~~778~~548.1101 34,~~828~~759.3205 0.00 0.00 B-5 1,500,000.00 3.~~06515~~81093% 1,498,~~778~~548.1101 34,~~828~~759.3205 0.00 0.00 B-6 3,000,135.00 3.~~06515~~81093% 2,997,~~691~~230.1089 79,~~656~~518.9953 0.00 0.00 Totals 500,000,185.00 1,~~175~~416,~~103~~859.9163 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 0574.0053 0.00 ~~624~~696,~~957~~689.1507 0.00 ~~341~~328,~~788~~642,~~801~~938.4228 A-2 0200.0046 0.00 ~~207~~243,~~168~~087.4608 0.00 7772,~~178~~325,~~898~~533.0342 X 0318.0087 0.00 ~~260~~385,~~474~~223.0344 0.00 ~~368~~355,~~265~~115,~~071~~691.8028 R-I 0.00 0.00 0.00 0.00 0.00 R-II 0.00 0.00 0.00 0.00 0.00 R-III 0.00 0.00 0.00 0.00 0.00 M 018.0039 0.00 1922,~~737~~303.8173 0.00 9,~~741~~739,~~269~~975.2916 B-1 014.0082 0.00 1517,~~994~~967.7776 0.00 7,~~493~~492,~~284~~288.0759 B-2 013.0070 0.00 1516,~~164~~607.2070 0.00 5,~~495~~494,~~074~~344.9896 B-3 09.0080 0.00 1213,~~368~~352.8225 0.00 3,746,~~642~~144.0329 B-4 03.0092 0.00 34,~~828~~755.3213 0.00 1,498,~~656~~457.8172 B-5 03.0092 0.00 34,~~828~~755.3213 0.00 1,498,~~656~~457.8172 B-6 07.0084 0.00 79,~~656~~510.9969 0.00 2,997,~~448~~050.5029 Totals 01,166.0025 0.00 1,~~171~~414,~~178~~251.8798 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-1 374,175,000.00 2.~~16125~~48000% ~~927~~901.~~36715302~~67866554 1.~~67022687~~86346923 0.00000000 0.00000000 A-2 93,324,900.00 3.~~13854~~84628% ~~848~~813.~~75043531~~32286464 2.~~21986265~~60688777 0.00000000 0.00000000 X 0.00 01.~~84953~~27626% ~~932~~908.~~11709670~~11745911 0.~~65988415~~96582944 0.00000000 0.00000000 R-I 50.00 0.00000% 0.00000000 0.00000000 0.00000000 0.00000000 R-II 50.00 0.00000% 0.00000000 0.00000000 0.00000000 0.00000000 R-III 50.00 0.00000% 0.00000000 0.00000000 0.00000000 0.00000000 M 9,750,000.00 2.~~43125~~75000% 999.~~18540513~~03200923 2.~~02439077~~28944821 0.00000000 0.00000000 B-1 7,500,000.00 2.~~56125~~88000% 999.~~18540533~~03200933 2.~~13263600~~39767733 0.00000000 0.00000000 B-2 5,500,000.00 3.~~31125~~63000% 999.~~18540545~~03200909 23.~~75712727~~02207273 0.00000000 0.00000000 B-3 3,750,000.00 34.~~96125~~28000% 999.~~18540533~~03201067 3.~~29835200~~56321333 0.00000000 0.00000000 B-4 1,500,000.00 3.~~06515~~81093% 999.~~18540667~~03200667 23.~~55221333~~17270000 0.00000000 0.00000000 B-5 1,500,000.00 3.~~06515~~81093% 999.~~18540667~~03200667 23.~~55221333~~17270000 0.00000000 0.00000000 B-6 3,000,135.00 3.~~06515~~81093% 999.~~18540332~~03200689 23.~~55221515~~17270056 0.00000000 0.00000000 (5) Per $1 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~~00153546 0.00000000 1.~~67022690~~86193377 0.00000000 ~~913~~878.~~44638584~~31345836 A-2 0.~~00000000~~00214798 0.00000000 2.~~21986265~~60473979 0.00000000 ~~826~~774.~~99148920~~98645506 X 0.~~00000000~~00079583 0.00000000 0.~~65008805~~96143618 0.00000000 ~~919~~886.~~11167854~~29360774 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 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 M 0.~~00000000~~00188615 0.00000000 2.~~02439077~~28756205 0.00000000 ~~999~~998.~~10454256~~97181128 B-1 0.~~00000000~~00197600 0.00000000 2.~~13263600~~39570133 0.00000000 ~~999~~998.~~10454267~~97181200 B-2 0.~~00000000~~00249091 0.00000000 23.~~75712727~~01958182 0.00000000 ~~999~~998.~~10454182~~97181091 B-3 0.~~00000000~~00261333 0.00000000 3.~~29835200~~56060000 0.00000000 ~~999~~998.~~10454133~~97181067 B-4 0.~~00000000~~00261333 0.00000000 23.~~55221333~~17008667 0.00000000 ~~999~~998.~~10454000~~97181333 B-5 0.~~00000000~~00261333 0.00000000 23.~~55221333~~17008667 0.00000000 ~~999~~998.~~10454000~~97181333 B-6 0.~~00000000~~00261322 0.00000000 23.~~55221515~~17008735 0.00000000 ~~999~~998.~~10454030~~97180960 (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 Component Statement Component Beginning Ending Beginning Ending Ending Pass-Through Notional Notional Component Component Component Class Rate Balance Balance Balance Balance Percentage 1-X 01.~~88567~~32216% ~~346~~337,~~997~~385,~~604~~614.4868 ~~341~~328,~~788~~642,~~801~~938.4228 0.00 0.00 9187.~~34463858~~83134584% 2-X 0.~~37584~~69136% 26,~~478~~474,~~413~~348.2425 26,~~476~~472,~~270~~753.3800 0.00 0.00 99.~~91045426~~89718113%

CERTIFICATEHOLDER ACCOUNT STATEMENT CERTIFICATE ACCOUNT Beginning Balance 0.00 Deposits Payments of Interest and Principal 813,~~554~~873,~~881~~945.8345 Liquidations, Insurance Proceeds, Reserve Funds 023.0002 Proceeds from Repurchased Loans 0.00 Other Amounts (Servicer Advances) 1523,~~627~~327.2968 Realized Loss (Gains, Subsequent Expenses & Recoveries) 0.00 Prepayment Penalties 0.00 Total Deposits 813,~~570~~897,~~509~~296.1215 Withdrawals Reimbursement for Servicer Advances 1220,~~873~~360.0893 Payment of Service Fee ~~144~~140,~~374~~308.5980 Payment of Interest and Principal 813,~~413~~736,~~261~~626.4542 Total Withdrawals (Pool Distribution Amount) 813,~~570~~897,~~509~~296.1215 Ending Balance 0.00

PREPAYMENT/CURTAILMENT INTEREST SHORTFALL Total Prepayment/Curtailment Interest Shortfall 0.00 Servicing Fee Support 0.00 Non-Supported Prepayment/Curtailment Interest Shortfall 01,166.0025

SERVICING FEES Gross Servicing Fee 4341,~~684~~999.9469 Additional Servicing Fee 9997,~~652~~299.8255 Master Servicing Fee ~~955~~928.6067 Miscellaneous Fee 8180.2389 Supported Prepayment/Curtailment Interest Shortfall 0.00 Net Servicing Fee ~~144~~140,~~374~~308.5980

OTHER ACCOUNTS Beginning Current Current Ending Account Type Balance Withdrawals Deposits Balance Reserve Fund 5,000.00 31,~~925~~464.0442 31,~~925~~464.0442 5,000.00

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 0 0 0 0 0.00 0.00 0.00 0.00 30 Days 1324 0 0 0 1324 45,~~285~~859,~~311~~768.4833 0.00 0.00 0.00 45,~~285~~859,~~311~~768.4833 60 Days 2 0 0 0 2 ~~453~~305,~~695~~506.0051 0.00 0.00 0.00 ~~453~~305,~~695~~506.0051 90 Days 1 01 0 0 12 ~~114~~183,~~900~~095.00 0393,540.00 0.00 0.00 ~~114~~576,~~900~~635.00 120 Days 10 0 0 0 10 ~~85,500~~0.00 0.00 0.00 0.00 ~~85,500~~0.00 150 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 180+ Days 0 0 01 0 01 0.00 0.00 085,500.00 0.00 085,500.00 Totals 1727 01 01 0 1729 46,~~939~~348,~~406~~369.4884 0393,540.00 085,500.00 0.00 46,~~939~~827,~~406~~409.4884 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 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 01.~~737379~~403509% 0.000000% 0.000000% 0.000000% 01.~~737379~~403509% 01.~~949201~~351872% 0.000000% 0.000000% 0.000000% 01.~~949201~~351872% 60 Days 0.~~113443~~116959% 0.000000% 0.000000% 0.000000% 0.~~113443~~116959% 0.~~100494~~070482% 0.000000% 0.000000% 0.000000% 0.~~100494~~070482% 90 Days 0.~~056721~~058480% 0.~~000000~~058480% 0.000000% 0.000000% 0.~~056721~~116959% 0.~~025450~~042241% 0.~~000000~~090791% 0.000000% 0.000000% 0.~~025450~~133032% 120 Days 0.~~056721~~000000% 0.000000% 0.000000% 0.000000% 0.~~056721~~000000% 0.~~018938~~000000% 0.000000% 0.000000% 0.000000% 0.~~018938~~000000% 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~~058480% 0.000000% 0.~~000000~~058480% 0.000000% 0.000000% 0.~~000000~~019725% 0.000000% 0.~~000000~~019725% Totals 01.~~964265~~578947% 0.~~000000~~058480% 0.~~000000~~058480% 0.000000% 01.~~964265~~695906% 1.~~094084~~464595% 0.~~000000~~090791% 0.~~000000~~019725% 0.000000% 1.~~094084~~575111%

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 0 0 0 0 0.00 0.00 0.00 0.00 30 Days 919 0 0 0 919 35,~~501~~047,~~018~~182.1275 0.00 0.00 0.00 35,~~501~~047,~~018~~182.1275 60 Days 1 0 0 0 1 ~~270~~170,~~600~~999.0087 0.00 0.00 0.00 ~~270~~170,~~600~~999.0087 90 Days 10 0 0 0 10 ~~114,900~~0.00 0.00 0.00 0.00 ~~114,900~~0.00 120 Days 10 0 0 0 10 ~~85,500~~0.00 0.00 0.00 0.00 ~~85,500~~0.00 150 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 180 Days 0 0 01 0 01 0.00 0.00 085,500.00 0.00 085,500.00 Totals 1220 0 01 0 1221 35,~~972~~218,~~018~~182.1262 0.00 085,500.00 0.00 35,~~972~~303,~~018~~682.1262 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 01.~~639205~~384840% 0.000000% 0.000000% 0.000000% 01.~~639205~~384840% 01.~~951877~~423124% 0.000000% 0.000000% 0.000000% 01.~~951877~~423124% 60 Days 0.~~071023~~072886% 0.000000% 0.000000% 0.000000% 0.~~071023~~072886% 0.~~073572~~048216% 0.000000% 0.000000% 0.000000% 0.~~073572~~048216% 90 Days 0.~~071023~~000000% 0.000000% 0.000000% 0.000000% 0.~~071023~~000000% 0.~~031240~~000000% 0.000000% 0.000000% 0.000000% 0.~~031240~~000000% 120 Days 0.~~071023~~000000% 0.000000% 0.000000% 0.000000% 0.~~071023~~000000% 0.~~023246~~000000% 0.000000% 0.000000% 0.000000% 0.~~023246~~000000% 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~~072886% 0.000000% 0.~~000000~~072886% 0.000000% 0.000000% 0.~~000000~~024108% 0.000000% 0.~~000000~~024108% Totals 01.~~852273~~457726% 0.000000% 0.~~000000~~072886% 0.000000% 01.~~852273~~530612% 1.~~079935~~471340% 0.000000% 0.~~000000~~024108% 0.000000% 1.~~079935~~495448% 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 0 0 0 0 0.00 0.00 0.00 0.00 30 Days 45 0 0 0 45 ~~784~~812,~~293~~585.3658 0.00 0.00 0.00 ~~784~~812,~~293~~585.3658 60 Days 1 0 0 0 1 ~~183~~134,~~095~~506.0064 0.00 0.00 0.00 ~~183~~134,~~095~~506.0064 90 Days 01 01 0 0 02 0183,095.00 0393,540.00 0.00 0.00 0576,635.00 120 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 150 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 57 01 0 0 58 ~~967~~1,~~388~~130,187.3622 0393,540.00 0.00 0.00 ~~967~~1,~~388~~523,727.3622 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 1.~~126761~~479290% 0.000000% 0.000000% 0.000000% 1.~~126761~~479290% 01.~~937438~~031194% 0.000000% 0.000000% 0.000000% 01.~~937438~~031194% 60 Days 0.~~281690~~295858% 0.000000% 0.000000% 0.000000% 0.~~281690~~295858% 0.~~218847~~170693% 0.000000% 0.000000% 0.000000% 0.~~218847~~170693% 90 Days 0.~~000000~~295858% 0.~~000000~~295858% 0.000000% 0.000000% 0.~~000000~~591716% 0.~~000000~~232353% 0.~~000000~~499413% 0.000000% 0.000000% 0.~~000000~~731766% 120 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 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 12.~~408451~~071006% 0.~~000000~~295858% 0.000000% 0.000000% 12.~~408451~~366864% 1.~~156285~~434239% 0.~~000000~~499413% 0.000000% 0.000000% 1.~~156285~~933652%

OTHER INFORMATION Current Period Class A Insufficient Funds 0.00 Principal Balance of Contaminated Properties 0.00 Periodic Advance 1523,~~627~~327.2968

COLLATERAL STATEMENT Collateral Description Mixed ARM Weighted Average Gross Coupon 34.~~441749~~188027% Weighted Average Net Coupon 34.~~327460~~074962% Weighted Average Pass-Through Rate 3.~~064036~~810309% Weighted Average Maturity(Stepdown Calculation ) ~~316~~314 Beginning Scheduled Collateral Loan Count 1,~~784~~749 Number Of Loans Paid In Full 2139 Ending Scheduled Collateral Loan Count 1,~~763~~710 Beginning Scheduled Collateral Balance ~~458~~445,~~680~~757,~~814~~564.5486 Ending Scheduled Collateral Balance ~~451~~433,~~438~~435,~~731~~190.9542 Ending Actual Collateral Balance at 30-~~Sep~~Nov-2004 ~~451~~433,~~465~~455,~~097~~698.4522 Monthly P &I Constant 1,~~350~~580,~~398~~660.6199 Special Servicing Fee 0.00 Prepayment Penalties 0.00 Realized Loss Amount 0.00 Cumulative Realized Loss 0.00 Ending Scheduled Balance for Premium Loans ~~451~~433,~~438~~435,~~731~~190.9542 Scheduled Principal 3424,~~845~~956.1698 Unscheduled Principal 712,~~207~~297,~~237~~417.4346

Miscellaneous Reporting Senior Percentage - Group 1 9392.~~026386~~841932% Senior Percentage - Group 2 92.~~457897~~160721% Senior Prepay Percentage - Group 1 100.000000% Senior Prepay Percentage - Group 2 100.000000% Subordinate Percentage - Group 1 67.~~973614~~158068% Subordinate Percentage - Group 2 7.~~542103~~839279% Subordinate Prepay Percentage - Group 1 0.000000% Subordinate Prepay Percentage - Group 2 0.000000%

Group Level Collateral Statement Group Group I Group II Total Collateral Description Mixed ARM Mixed ARM Mixed ARM Weighted Average Coupon Rate 34.~~424425~~179658 34.~~517176~~224956 34.~~441749~~188027 Weighted Average Net Rate 34.~~311577~~066912 34.~~396614~~110483 34.~~327460~~074962 Weighted Average Maturity ~~313~~311 ~~328~~326 ~~316~~314 Beginning Loan Count 1,~~424~~399 ~~360~~350 1,~~784~~749 Loans Paid In Full 1627 512 2139 Ending Loan Count 1,~~408~~372 ~~355~~338 1,~~763~~710 Beginning Scheduled Balance ~~373~~363,~~009~~397,~~873~~883.7696 8582,~~670~~359,~~940~~680.7890 ~~458~~445,~~680~~757,~~814~~564.5486 Ending scheduled Balance ~~367~~354,~~801~~655,~~070~~207.7056 8378,~~637~~779,~~661~~982.2586 ~~451~~433,~~438~~435,~~731~~190.9542 Record Date 0911/30/2004 0911/30/2004 0911/30/2004 Principal And Interest Constant 1,~~064~~265,~~453~~732.6732 ~~285~~314,~~944~~928.9467 1,~~350~~580,~~398~~660.6199 Scheduled Principal 0.00 3424,~~845~~956.1698 3424,~~845~~956.1698 Unscheduled Principal 58,~~208~~742,~~803~~676.0640 13,~~998~~554,~~434~~741.3706 712,~~207~~297,~~237~~417.4346 Scheduled Interest 1,~~064~~265,~~453~~732.6732 ~~251~~289,~~099~~971.7869 1,~~315~~555,~~553~~704.4501 Servicing Fees 3534,~~077~~143.7507 87,~~607~~856.1962 4341,~~684~~999.9469 Master Servicing Fees ~~777~~757.1009 ~~178~~171.5058 ~~955~~928.6067 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 8179,~~487~~418.8276 1817,~~246~~961.2368 9997,~~734~~380.0544 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 ~~947~~1,~~111~~151,413.0040 ~~224~~263,~~067~~981.8681 1,~~171~~415,~~178~~395.8621 Realized Loss Amount 0.00 0.00 0.00 Cumulative Realized Loss 0.00 0.00 0.00 Percentage of Cumulative Losses 0.0000 0.0000 0.0000 Prepayment Penalties 0.00 0.00 0.00 Special Servicing Fee 0.00 0.00 0.00 Pass-Through Rate 3.~~046925~~802158 3.~~138538~~846277 3.~~064036~~810309

Filing Compare · STRUCTURED ASSET MORT PASS THRU CERTS SERIES 2003 AR4