8-K 1 sam03ar4_oct.txt OCT. 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington D. C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 19, 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 October 19, 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 October 19, 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: 10/19/04 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 October 19, 2004 distribution. EX-99.1

Structured Asset Mortgage Investments Inc. Mortgage Pass-Through Certificates Record Date: 89/3130/~~2004~~04 Distribution Date: 910/2019/~~2004~~04 SAM 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 12.~~95000~~16125% ~~352~~346,~~422~~997,~~752~~604.9248 ~~572~~624,~~686~~957.9815 5,~~425~~208,~~148~~803.4406 A-2 86359LAB5 SEN 3.~~09705~~13854% 8079,~~375~~209,~~284~~549.5350 207,~~438~~168.6446 12,~~165~~030,~~735~~651.0347 X 86359LAC3 SEN 0.~~97537~~84953% 0.00 ~~305~~260,~~100~~474.5403 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.~~22000~~43125% 9,742,~~867~~057.2970 1819,~~024~~737.3081 ~~809~~788.5941 B-1 86359LAH2 SUB 2.~~35000~~56125% 7,~~494~~493,~~513~~890.3054 1415,~~676~~994.7677 ~~622~~606.7647 B-2 86359LAJ8 SUB 3.~~10000~~31125% 5,495,~~976~~519.4273 1415,~~197~~164.9420 ~~456~~444.6975 B-3 86359LAK5 SUB 3.~~75000~~96125% 3,~~747~~746,~~256~~945.6527 1112,~~710~~368.1882 ~~311~~303.3824 B-4 86359LAL3 SUB 23.~~99028~~06515% 1,498,~~902~~778.6611 3,~~735~~828.1132 ~~124~~121.5529 B-5 86359LAM1 SUB 23.~~99028~~06515% 1,498,~~902~~778.6611 3,~~735~~828.1132 ~~124~~121.5529 B-6 86359LAN9 SUB 23.~~99028~~06515% 2,997,~~940~~691.2110 7,~~470~~656.5799 ~~249~~242.1160 Totals ~~465~~458,~~274~~680,~~396~~814.6454 1,~~158~~171,~~776~~178.1387 67,~~593~~242,~~582~~082.1058

Certificateholder Distribution Summary (continued) Current Ending Cumulative Realized Certificate Total Realized Class Loss Balance Distribution Losses A-1 0.00 ~~346~~341,~~997~~788,~~604~~801.4842 5,~~997~~833,~~835~~760.4221 0.00 A-2 0.00 7977,~~209~~178,~~549~~898.5003 12,~~373~~237,~~173~~819.6793 0.00 X 0.00 0.00 ~~305~~260,~~100~~474.5403 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,~~742~~741,~~057~~269.7029 1820,~~833~~526.8922 0.00 B-1 0.00 7,493,~~890~~284.5407 1516,~~299~~601.5224 0.00 B-2 0.00 5,495,~~519~~074.7398 1415,~~654~~608.6395 0.00 B-3 0.00 3,746,~~945~~642.2703 12,~~021~~672.5606 0.00 B-4 0.00 1,498,~~778~~656.1181 3,~~859~~949.6661 0.00 B-5 0.00 1,498,~~778~~656.1181 3,~~859~~949.6661 0.00 B-6 0.00 2,997,~~691~~448.1050 7,~~719~~899.6859 0.00 Totals 0.00 ~~458~~451,~~680~~438,~~814~~731.5494 78,~~752~~413,~~358~~261.2345 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 ~~352~~346,~~422~~997,~~752~~604.9248 0.00 5,~~425~~208,~~148~~803.4406 0.00 0.00 A-2 93,324,900.00 8079,~~375~~209,~~284~~549.5350 3332,~~555~~217.1110 1,~~132~~998,~~179~~434.9237 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,~~867~~057.2970 ~~809~~788.5941 0.00 0.00 0.00 B-1 7,500,000.00 7,~~494~~493,~~513~~890.3054 ~~622~~606.7647 0.00 0.00 0.00 B-2 5,500,000.00 5,495,~~976~~519.4273 ~~456~~444.6975 0.00 0.00 0.00 B-3 3,750,000.00 3,~~747~~746,~~256~~945.6527 ~~311~~303.3824 0.00 0.00 0.00 B-4 1,500,000.00 1,498,~~902~~778.6611 ~~124~~121.5529 0.00 0.00 0.00 B-5 1,500,000.00 1,498,~~902~~778.6611 ~~124~~121.5529 0.00 0.00 0.00 B-6 3,000,135.00 2,997,~~940~~691.2110 ~~249~~242.1160 0.00 0.00 0.00 Totals 500,000,185.00 ~~465~~458,~~274~~680,~~396~~814.6454 3634,~~253~~845.7415 67,~~557~~207,~~328~~237.3643 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 5,~~425~~208,~~148~~803.4406 ~~346~~341,~~997~~788,~~604~~801.4842 0.~~92736715~~91344639 5,~~425~~208,~~148~~803.4406 A-2 12,~~165~~030,~~735~~651.0347 7977,~~209~~178,~~549~~898.5003 0.~~84875044~~82699149 12,~~165~~030,~~735~~651.0347 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 ~~809~~788.5941 9,~~742~~741,~~057~~269.7029 0.~~99918541~~99910454 ~~809~~788.5941 B-1 ~~622~~606.7647 7,493,~~890~~284.5407 0.~~99918541~~99910454 ~~622~~606.7647 B-2 ~~456~~444.6975 5,495,~~519~~074.7398 0.~~99918541~~99910454 ~~456~~444.6975 B-3 ~~311~~303.3824 3,746,~~945~~642.2703 0.~~99918541~~99910454 ~~311~~303.3824 B-4 ~~124~~121.5529 1,498,~~778~~656.1181 0.~~99918541~~99910454 ~~124~~121.5529 B-5 ~~124~~121.5529 1,498,~~778~~656.1181 0.~~99918541~~99910454 ~~124~~121.5529 B-6 ~~249~~242.1160 2,997,~~691~~448.1050 0.~~99918540~~99910454 ~~249~~242.1160 Totals 67,~~593~~242,~~582~~082.1058 ~~458~~451,~~680~~438,~~814~~731.5494 0.~~91736129~~90287713 67,~~593~~242,~~582~~082.1058

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 ~~941~~927.~~86611324~~36715302 0.00000000 1413.~~49896022~~92076718 0.00000000 A-2 93,324,900.00 ~~861~~848.~~24158215~~75043531 0.~~35955152~~34521441 1221.~~13159532~~41373171 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.~~26844000~~18540513 0.~~08303487~~08086256 0.00000000 0.00000000 B-1 7,500,000.00 999.~~26844000~~18540533 0.~~08303467~~08086267 0.00000000 0.00000000 B-2 5,500,000.00 999.~~26844000~~18540545 0.~~08303455~~08086364 0.00000000 0.00000000 B-3 3,750,000.00 999.~~26844000~~18540533 0.~~08303467~~08086400 0.00000000 0.00000000 B-4 1,500,000.00 999.~~26844000~~18540667 0.~~08303333~~08086000 0.00000000 0.00000000 B-5 1,500,000.00 999.~~26844000~~18540667 0.~~08303333~~08086000 0.00000000 0.00000000 B-6 3,000,135.00 999.~~26843625~~18540332 0.~~08303293~~08086303 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 1413.~~49896022~~92076718 ~~927~~913.~~36715302~~44638584 0.~~92736715~~91344639 1413.~~49896022~~92076718 A-2 0.00000000 1221.~~49114684~~75894611 ~~848~~826.~~75043531~~99148920 0.~~84875044~~82699149 1221.~~49114684~~75894611 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.~~08303487~~08086256 999.~~18540513~~10454256 0.~~99918541~~99910454 0.~~08303487~~08086256 B-1 0.00000000 0.~~08303467~~08086267 999.~~18540533~~10454267 0.~~99918541~~99910454 0.~~08303467~~08086267 B-2 0.00000000 0.~~08303455~~08086364 999.~~18540545~~10454182 0.~~99918541~~99910454 0.~~08303455~~08086364 B-3 0.00000000 0.~~08303467~~08086400 999.~~18540533~~10454133 0.~~99918541~~99910454 0.~~08303467~~08086400 B-4 0.00000000 0.~~08303333~~08086000 999.~~18540667~~10454000 0.~~99918541~~99910454 0.~~08303333~~08086000 B-5 0.00000000 0.~~08303333~~08086000 999.~~18540667~~10454000 0.~~99918541~~99910454 0.~~08303333~~08086000 B-6 0.00000000 0.~~08303293~~08086303 999.~~18540332~~10454030 0.~~99918540~~99910454 0.~~08303293~~08086303 (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 12.~~95000~~16125% ~~352~~346,~~422~~997,~~752~~604.9248 ~~572~~624,~~686~~957.9714 0.00 0.00 A-2 93,324,900.00 3.~~09705~~13854% 8079,~~375~~209,~~284~~549.5350 207,~~438~~168.6446 0.00 0.00 X 0.00 0.~~97537~~84953% ~~378~~373,~~903~~476,~~366~~017.5872 ~~307~~264,~~975~~399.4508 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.~~22000~~43125% 9,742,~~867~~057.2970 1819,~~024~~737.3081 0.00 0.00 B-1 7,500,000.00 2.~~35000~~56125% 7,~~494~~493,~~513~~890.3054 1415,~~676~~994.7677 0.00 0.00 B-2 5,500,000.00 3.~~10000~~31125% 5,495,~~976~~519.4273 1415,~~197~~164.9420 0.00 0.00 B-3 3,750,000.00 3.~~75000~~96125% 3,~~747~~746,~~256~~945.6527 1112,~~710~~368.1882 0.00 0.00 B-4 1,500,000.00 23.~~99028~~06515% 1,498,~~902~~778.6611 3,~~735~~828.1132 0.00 0.00 B-5 1,500,000.00 23.~~99028~~06515% 1,498,~~902~~778.6611 3,~~735~~828.1132 0.00 0.00 B-6 3,000,135.00 23.~~99028~~06515% 2,997,~~940~~691.2110 7,~~470~~656.5799 0.00 0.00 Totals 500,000,185.00 1,~~161~~175,~~651~~103.0391 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 ~~572~~624,~~686~~957.9815 0.00 ~~346~~341,~~997~~788,~~604~~801.4842 A-2 0.00 0.00 207,~~438~~168.6446 0.00 7977,~~209~~178,~~549~~898.5003 X 0.00 0.00 ~~305~~260,~~100~~474.5403 0.00 ~~373~~368,~~476~~265,~~017~~071.7280 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 0.00 0.00 1819,~~024~~737.3081 0.00 9,~~742~~741,~~057~~269.7029 B-1 0.00 0.00 1415,~~676~~994.7677 0.00 7,493,~~890~~284.5407 B-2 0.00 0.00 1415,~~197~~164.9420 0.00 5,495,~~519~~074.7398 B-3 0.00 0.00 1112,~~710~~368.1882 0.00 3,746,~~945~~642.2703 B-4 0.00 0.00 3,~~735~~828.1132 0.00 1,498,~~778~~656.1181 B-5 0.00 0.00 3,~~735~~828.1132 0.00 1,498,~~778~~656.1181 B-6 0.00 0.00 7,~~470~~656.5799 0.00 2,997,~~691~~448.1050 Totals 0.00 0.00 1,~~158~~171,~~776~~178.1387 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 12.~~95000~~16125% ~~941~~927.~~86611324~~36715302 1.~~53053242~~67022687 0.00000000 0.00000000 A-2 93,324,900.00 3.~~09705~~13854% ~~861~~848.~~24158215~~75043531 2.~~22275770~~21986265 0.00000000 0.00000000 X 0.00 0.~~97537~~84953% ~~945~~932.~~66261079~~11709670 0.~~76864154~~65988415 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.~~22000~~43125% 999.~~26844000~~18540513 12.~~84864615~~02439077 0.00000000 0.00000000 B-1 7,500,000.00 2.~~35000~~56125% 999.~~26844000~~18540533 12.~~95690133~~13263600 0.00000000 0.00000000 B-2 5,500,000.00 3.~~10000~~31125% 999.~~26844000~~18540545 2.~~58144364~~75712727 0.00000000 0.00000000 B-3 3,750,000.00 3.~~75000~~96125% 999.~~26844000~~18540533 3.~~12271467~~29835200 0.00000000 0.00000000 B-4 1,500,000.00 23.~~99028~~06515% 999.~~26844000~~18540667 2.~~49007333~~55221333 0.00000000 0.00000000 B-5 1,500,000.00 23.~~99028~~06515% 999.~~26844000~~18540667 2.~~49007333~~55221333 0.00000000 0.00000000 B-6 3,000,135.00 23.~~99028~~06515% 999.~~26843625~~18540332 2.~~49007795~~55221515 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 0.00000000 1.~~53053245~~67022690 0.00000000 ~~927~~913.~~36715302~~44638584 A-2 0.00000000 0.00000000 2.~~22275770~~21986265 0.00000000 ~~848~~826.~~75043531~~99148920 X 0.00000000 0.00000000 0.~~76146638~~65008805 0.00000000 ~~932~~919.~~11709670~~11167854 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 0.00000000 12.~~84864615~~02439077 0.00000000 999.~~18540513~~10454256 B-1 0.00000000 0.00000000 12.~~95690133~~13263600 0.00000000 999.~~18540533~~10454267 B-2 0.00000000 0.00000000 2.~~58144364~~75712727 0.00000000 999.~~18540545~~10454182 B-3 0.00000000 0.00000000 3.~~12271467~~29835200 0.00000000 999.~~18540533~~10454133 B-4 0.00000000 0.00000000 2.~~49007333~~55221333 0.00000000 999.~~18540667~~10454000 B-5 0.00000000 0.00000000 2.~~49007333~~55221333 0.00000000 999.~~18540667~~10454000 B-6 0.00000000 0.00000000 2.~~49007795~~55221515 0.00000000 999.~~18540332~~10454030 (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 10.~~01375~~88567% ~~352,422,752.92~~ 346,997,604.48 341,788,801.42 0.00 0.00 9291.~~73671530~~34463858% 2-X 0.~~46462~~37584% 26,~~480~~478,~~613~~413.6624 26,~~478~~476,~~413~~270.2438 0.00 0.00 99.~~91854053~~91045426%

CERTIFICATEHOLDER ACCOUNT STATEMENT CERTIFICATE ACCOUNT Beginning Balance 0.00 Deposits Payments of Interest and Principal 78,~~898~~554,~~303~~881.6883 Liquidations, Insurance Proceeds, Reserve Funds 0.00 Proceeds from Repurchased Loans 0.00 Other Amounts (Servicer Advances) 1215,~~873~~627.0829 Realized Loss (Gains, Subsequent Expenses & Recoveries) 0.00 Prepayment Penalties 0.00 Total Deposits 78,~~911~~570,~~176~~509.7612 Withdrawals Reimbursement for Servicer Advances 12,~~369~~873.4708 Payment of Service Fee ~~146~~144,~~449~~374.0659 Payment of Interest and Principal 78,~~752~~413,~~358~~261.2345 Total Withdrawals (Pool Distribution Amount) 78,~~911~~570,~~176~~509.7612 Ending Balance 0.00

SERVICING FEES Gross Servicing Fee 4443,~~132~~684.0494 Additional Servicing Fee ~~101~~99,~~266~~652.2082 Master Servicing Fee ~~969~~955.3460 Miscellaneous Fee 81.4823 Supported Prepayment/Curtailment Interest Shortfall 0.00 Net Servicing Fee ~~146~~144,~~449~~374.0659

OTHER ACCOUNTS Beginning Current Current Ending Account Type Balance Withdrawals Deposits Balance Reserve Fund 5,000.00 23,~~874~~925.9104 23,~~874~~925.9104 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 13 0 0 0 13 34,~~783~~285,~~329~~311.7548 0.00 0.00 0.00 34,~~783~~285,~~329~~311.7548 60 Days 32 0 0 0 32 ~~500~~453,~~850~~695.00 0.00 0.00 0.00 ~~500~~453,~~850~~695.00 90 Days 21 0 0 0 21 ~~268~~114,~~595~~900.00 0.00 0.00 0.00 ~~268~~114,~~595~~900.00 120 Days 01 0 0 0 01 085,500.00 0.00 0.00 0.00 085,500.00 150 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 1817 0 0 0 1817 4,~~552~~939,~~774~~406.7548 0.00 0.00 0.00 4,~~552~~939,~~774~~406.7548 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 0.~~728700~~737379% 0.000000% 0.000000% 0.000000% 0.~~728700~~737379% 0.~~824781~~949201% 0.000000% 0.000000% 0.000000% 0.~~824781~~949201% 60 Days 0.~~168161~~113443% 0.000000% 0.000000% 0.000000% 0.~~168161~~113443% 0.~~109187~~100494% 0.000000% 0.000000% 0.000000% 0.~~109187~~100494% 90 Days 0.~~112108~~056721% 0.000000% 0.000000% 0.000000% 0.~~112108~~056721% 0.~~058555~~025450% 0.000000% 0.000000% 0.000000% 0.~~058555~~025450% 120 Days 0.~~000000~~056721% 0.000000% 0.000000% 0.000000% 0.~~000000~~056721% 0.~~000000~~018938% 0.000000% 0.000000% 0.000000% 0.~~000000~~018938% 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 10.~~008969~~964265% 0.000000% 0.000000% 0.000000% 10.~~008969~~964265% 01.~~992523~~094084% 0.000000% 0.000000% 0.000000% 01.~~992523~~094084%

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 129 0 0 0 129 3,~~389~~501,~~789~~018.7512 0.00 0.00 0.00 3,~~389~~501,~~789~~018.7512 60 Days 31 0 0 0 31 ~~500~~270,~~850~~600.00 0.00 0.00 0.00 ~~500~~270,~~850~~600.00 90 Days 1 0 0 0 1 114,900.00 0.00 0.00 0.00 114,900.00 120 Days 1 0 0 0 1 85,500.00 0.00 0.00 0.00 85,500.00 150 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 12 0 0 0 12 3,972,018.12 0.00 0.00 0.00 3,972,018.12 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 0.639205% 0.000000% 0.000000% 0.000000% 0.639205% 0.951877% 0.000000% 0.000000% 0.000000% 0.951877% 60 Days 0.071023% 0.000000% 0.000000% 0.000000% 0.071023% 0.073572% 0.000000% 0.000000% 0.000000% 0.073572% 90 Days 0.071023% 0.000000% 0.000000% 0.000000% 0.071023% 0.031240% 0.000000% 0.000000% 0.000000% 0.031240% 120 Days 0.071023% 0.000000% 0.000000% 0.000000% 0.071023% 0.023246% 0.000000% 0.000000% 0.000000% 0.023246% 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 0.852273% 0.000000% 0.000000% 0.000000% 0.852273% 1.079935% 0.000000% 0.000000% 0.000000% 1.079935% 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 4 0 0 0 4 784,293.36 0.00 0.00 0.00 784,293.36 60 Days 1 0 0 0 1 183,095.00 0.00 0.00 0.00 183,095.00 90 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 120 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 165 0 0 0 165 3967,~~976,139~~388.7536 0.00 0.00 0.00 3967,~~976,139~~388.7536 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 01.~~842697~~126761% 0.000000% 0.000000% 0.000000% 01.~~842697~~126761% 0.~~908765~~937438% 0.000000% 0.000000% 0.000000% 0.~~908765~~937438% 60 Days 0.~~210674~~281690% 0.000000% 0.000000% 0.000000% 0.~~210674~~281690% 0.~~134272~~218847% 0.000000% 0.000000% 0.000000% 0.~~134272~~218847% 90 Days 0.~~070225~~000000% 0.000000% 0.000000% 0.000000% 0.~~070225~~000000% 0.~~022922~~000000% 0.000000% 0.000000% 0.000000% 0.~~022922~~000000% 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 1.~~123596~~408451% 0.000000% 0.000000% 0.000000% 1.~~123596~~408451% 1.~~065959~~156285% 0.000000% 0.000000% 0.000000% 1.~~065959~~156285%

~~DELINQUENT~~OTHER ~~BANKRUPTCY~~INFORMATION ~~FORECLOSURE~~Current ~~REO~~Period ~~Total~~Class ~~Group~~A IIInsufficient NoFunds ~~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~~Principal ~~0.00~~Balance ~~0.00~~of 30Contaminated ~~Days~~Properties 1 0 ~~0 0 1 393,540~~.00 ~~0.00~~Periodic ~~0.00~~Advance ~~0.00 393~~15,~~540~~627.00 60 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 90 Days 1 0 0 0 1 183,095.00 0.00 0.00 0.00 183,095.00 120 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 2 0 0 0 2 576,635.00 0.00 0.00 0.00 576,635.00 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 0.277778% 0.000000% 0.000000% 0.000000% 0.277778% 0.459223% 0.000000% 0.000000% 0.000000% 0.459223% 60 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 90 Days 0.277778% 0.000000% 0.000000% 0.000000% 0.277778% 0.213654% 0.000000% 0.000000% 0.000000% 0.213654% 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 0.555556% 0.000000% 0.000000% 0.000000% 0.555556% 0.672878% 0.000000% 0.000000% 0.000000% 0.672878%

~~OTHER~~COLLATERAL ~~INFORMATION~~STATEMENT ~~Current~~Collateral ~~Period~~Description ~~Class~~Mixed AARM ~~Insufficient~~Weighted ~~Funds~~Average Gross Coupon 3.441749% Weighted Average Net Coupon 3.327460% Weighted Average Pass-Through Rate 3.064036% Weighted Average Maturity(Stepdown Calculation ) 316 Beginning Scheduled Collateral Loan Count 1,784 Number Of Loans Paid In Full 21 Ending Scheduled Collateral Loan Count 1,763 Beginning Scheduled Collateral Balance 458,680,814.54 Ending Scheduled Collateral Balance 451,438,731.95 Ending Actual Collateral Balance at 30-Sep-2004 451,465,097.45 Monthly P &I Constant 1,350,398.61 Special Servicing Fee 0.00 ~~Principal~~Prepayment ~~Balance~~Penalties of0.00 ~~Contaminated~~Realized ~~Properties~~Loss Amount 0.00 ~~Periodic~~Cumulative ~~Advance~~Realized 12Loss 0.00 Ending Scheduled Balance for Premium Loans 451,~~873~~438,731.0895 Scheduled Principal 34,845.16 Unscheduled Principal 7,207,237.43

~~COLLATERAL~~Miscellaneous ~~STATEMENT~~Reporting ~~Collateral~~Senior ~~Description~~Percentage ~~Mixed~~- ~~ARM~~Group ~~Weighted~~1 ~~Average Gross Coupon 3~~93.~~366337~~026386% ~~Weighted~~Senior ~~Average~~Percentage ~~Net Coupon 3.252515% Weighted Average Pass~~-~~Through~~ ~~Rate~~Group 2 92.~~988626~~457897% ~~Weighted~~Senior ~~Average~~Prepay ~~Maturity(Stepdown~~Percentage ~~Calculation~~- )Group ~~317 Beginning Scheduled Collateral Loan Count~~ 1~~,804~~ ~~Number~~100.000000% OfSenior ~~Loans~~Prepay ~~Paid~~Percentage In- ~~Full~~Group 202 ~~Ending~~100.000000% ~~Scheduled~~Subordinate ~~Collateral~~Percentage ~~Loan~~- ~~Count~~Group 1~~,784~~ ~~Beginning Scheduled Collateral Balance 465,274,396~~6.64973614% ~~Ending~~Subordinate ~~Scheduled~~Percentage ~~Collateral~~- ~~Balance~~Group ~~458,680,814~~2 7.54542103% ~~Ending~~Subordinate ~~Actual~~Prepay ~~Collateral~~Percentage ~~Balance at 31~~-~~Aug-2004~~ ~~458,707,268.12~~Group ~~Monthly P &I Constant~~ 1~~,341,478.91~~ ~~Special Servicing Fee~~ 0.00000000% ~~Prepayment~~Subordinate ~~Penalties~~Prepay ~~0.00~~Percentage ~~Realized~~- ~~Loss~~Group ~~Amount~~2 0.~~00 Cumulative Realized Loss 0.00 Ending Scheduled Balance for Premium Loans 458,680,814.54 Scheduled Principal 36,253.74 Unscheduled Principal 6,557,328.36~~000000%

~~Miscellaneous~~Group ~~Reporting~~Level ~~Senior~~Collateral ~~Percentage~~Statement -Group Group I Group II Total Collateral Description Mixed ARM Mixed ARM Mixed ARM Weighted Average Coupon Rate 3.424425 3.517176 3.441749 Weighted Average Net Rate 3.311577 3.396614 3.327460 Weighted Average Maturity 313 328 316 Beginning Loan Count 1,424 93360 1,784 Loans Paid In Full 16 5 21 Ending Loan Count 1,408 355 1,763 Beginning Scheduled Balance 373,009,873.~~126358%~~76 ~~Senior~~85,670,940.78 ~~Percentage~~458,680,814.54 -Ending ~~Group~~scheduled 2Balance 92367,801,070.~~556269%~~70 ~~Senior~~83,637,661.25 ~~Prepay~~451,438,731.95 ~~Percentage~~Record -Date ~~Group~~09/30/2004 09/30/2004 09/30/2004 Principal And Interest Constant 1,064,453.67 ~~100~~285,944.~~000000%~~94 ~~Senior~~1,350,398.61 ~~Prepay~~Scheduled ~~Percentage~~Principal -0.00 ~~Group~~34,845.16 234,845.16 ~~100~~Unscheduled Principal 5,208,803.~~000000%~~06 ~~Subordinate~~1,998,434.37 ~~Percentage~~7,207,237.43 -Scheduled ~~Group~~Interest 1,064,453.67 6251,099.~~873642%~~78 ~~Subordinate~~1,315,553.45 ~~Percentage~~Servicing -Fees ~~Group~~35,077.75 8,607.19 43,684.94 Master Servicing Fees 777.10 178.50 955.60 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 81,487.82 18,246.23 99,734.05 Pool Insurance Fee 0.00 0.00 0.00 Spread Fee 1 0.00 0.00 0.00 Spread Fee 2 70.~~443731%~~00 ~~Subordinate~~0.00 ~~Prepay~~0.00 ~~Percentage~~Spread -Fee ~~Group~~3 0.00 0.00 0.00 Net Interest 947,111.00 224,067.86 1,171,178.86 Realized Loss Amount 0.~~000000%~~00 ~~Subordinate~~0.00 ~~Prepay~~0.00 Cumulative Realized Loss 0.00 0.00 0.00 Percentage -of ~~Group~~Cumulative 2Losses 0.~~000000%~~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 3.138538 3.064036

Group Level Collateral Statement Group Group I Group II Total Collateral Description Mixed ARM Mixed ARM Mixed ARM Weighted Average Coupon Rate 3.341246 3.475677 3.366337 Weighted Average Net Rate 3.228984 3.355060 3.252515 Weighted Average Maturity 314 329 317 Beginning Loan Count 1,441 363 1,804 Loans Paid In Full 17 3 20 Ending Loan Count 1,424 360 1,784 Beginning Scheduled Balance 378,435,022.20 86,839,374.44 465,274,396.64 Ending scheduled Balance 373,009,873.76 85,670,940.78 458,680,814.54 Record Date 08/31/2004 08/31/2004 08/31/2004 Principal And Interest Constant 1,053,703.82 287,775.09 1,341,478.91 Scheduled Principal 0.00 36,253.74 36,253.74 Unscheduled Principal 5,425,148.44 1,132,179.92 6,557,328.36 Scheduled Interest 1,053,703.82 251,521.35 1,305,225.17 Servicing Fees 35,403.45 8,728.59 44,132.04 Master Servicing Fees 788.41 180.93 969.34 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 82,857.49 18,490.19 101,347.68 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 934,654.47 224,121.64 1,158,776.11 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 2.963746 3.097051 2.988626

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