8-K 1 sam03ar4_sep.txt SEPTEMBER 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): September 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 September 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 September 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: 9/22/2004 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 September 20, 2004 distribution. EX-99.1

Structured Asset Mortgage Investments Inc. Mortgage Pass-Through Certificates Record Date: 38/31/042004 Distribution Date: 49/1920/042004 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 1.~~44000~~95000% ~~368~~352,~~268~~422,~~706~~752.4792 ~~441~~572,~~922~~686.4498 25,~~643~~425,~~722~~148.4344 A-2 86359LAB5 SEN 3.~~31422~~09705% 8980,~~628~~375,~~461~~284.7653 ~~247~~207,~~540~~438.0064 1,~~617~~165,~~190~~735.4803 X 86359LAC3 SEN 10.~~43240~~97537% 0.00 ~~470~~305,~~438~~100.3754 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 12.~~71000~~22000% 9,~~747~~742,~~294~~867.8029 1318,~~889~~024.8930 ~~904~~809.3959 B-1 86359LAH2 SUB 12.~~84000~~35000% 7,~~497~~494,~~919~~513.0830 1114,~~496~~676.8176 ~~695~~622.6876 B-2 86359LAJ8 SUB 23.~~59000~~10000% 5,~~498~~495,~~473~~976.9942 1114,~~867~~197.5494 ~~510~~456.1769 B-3 86359LAK5 SUB 3.~~24000~~75000% 3,~~748~~747,~~959~~256.5465 1011,~~122~~710.1918 ~~347~~311.8438 B-4 86359LAL3 SUB 2.~~99223~~99028% 1,~~499~~498,~~583~~902.8266 3,~~739~~735.2511 ~~139~~124.1455 B-5 86359LAM1 SUB 2.~~99223~~99028% 1,~~499~~498,~~583~~902.8266 3,~~739~~735.2511 ~~139~~124.1455 B-6 86359LAN9 SUB 2.~~99223~~99028% 2,~~999~~997,~~302~~940.5821 7,~~478~~470.8557 ~~278~~249.2911 Totals ~~490~~465,~~388~~274,~~285~~396.8664 1,~~222~~158,~~234~~776.5913 46,~~263~~593,~~927~~582.5610

Certificateholder Distribution Summary (continued) Current Ending Cumulative Realized Certificate Total Realized Class Loss Balance Distribution Losses A-1 0.00 ~~365~~346,~~624~~997,~~984~~604.0448 35,~~085~~997,~~644~~835.8742 0.00 A-2 0.00 8879,~~011~~209,~~271~~549.2850 1,~~864~~373,~~730~~173.4867 0.00 X 0.00 0.00 ~~470~~305,~~438~~100.3754 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,~~746~~742,~~390~~057.4170 1418,~~794~~833.2889 0.00 B-1 0.00 7,~~497~~493,~~223~~890.3954 1215,~~192~~299.4952 0.00 B-2 0.00 5,~~497~~495,~~963~~519.8273 1214,~~377~~654.7163 0.00 B-3 0.00 3,~~748~~746,~~611~~945.7027 1012,~~470~~021.0356 0.00 B-4 0.00 1,~~499~~498,~~444~~778.6811 3,~~878~~859.3966 0.00 B-5 0.00 1,~~499~~498,~~444~~778.6811 3,~~878~~859.3966 0.00 B-6 0.00 2,~~999~~997,~~024~~691.3010 7,~~757~~719.1468 0.00 Totals 0.00 ~~486~~458,~~124~~680,~~358~~814.3054 57,~~486~~752,~~162~~358.1523 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 ~~368~~352,~~268~~422,~~706~~752.4792 0.00 25,~~643~~425,~~722~~148.4344 0.00 0.00 A-2 93,324,900.00 8980,~~628~~375,~~461~~284.7653 4133,~~704~~555.6111 1,~~575~~132,~~485~~179.8792 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,~~747~~742,~~294~~867.8029 ~~904~~809.3959 0.00 0.00 0.00 B-1 7,500,000.00 7,~~497~~494,~~919~~513.0830 ~~695~~622.6876 0.00 0.00 0.00 B-2 5,500,000.00 5,~~498~~495,~~473~~976.9942 ~~510~~456.1769 0.00 0.00 0.00 B-3 3,750,000.00 3,~~748~~747,~~959~~256.5465 ~~347~~311.8438 0.00 0.00 0.00 B-4 1,500,000.00 1,~~499~~498,~~583~~902.8266 ~~139~~124.1455 0.00 0.00 0.00 B-5 1,500,000.00 1,~~499~~498,~~583~~902.8266 ~~139~~124.1455 0.00 0.00 0.00 B-6 3,000,135.00 2,~~999~~997,~~302~~940.5821 ~~278~~249.2911 0.00 0.00 0.00 Totals 500,000,185.00 ~~490~~465,~~388~~274,~~285~~396.8664 4436,~~719~~253.2674 46,~~219~~557,~~208~~328.3036 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 25,~~643~~425,~~722~~148.4344 ~~365~~346,~~624~~997,~~984~~604.0448 0.~~97714969~~92736715 25,~~643~~425,~~722~~148.4344 A-2 1,~~617~~165,~~190~~735.4803 8879,~~011~~209,~~271~~549.2850 0.~~94306312~~84875044 1,~~617~~165,~~190~~735.4803 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 ~~904~~809.3959 9,~~746~~742,~~390~~057.4170 0.~~99962979~~99918541 ~~904~~809.3959 B-1 ~~695~~622.6876 7,~~497~~493,~~223~~890.3954 0.~~99962979~~99918541 ~~695~~622.6876 B-2 ~~510~~456.1769 5,~~497~~495,~~963~~519.8273 0.~~99962979~~99918541 ~~510~~456.1769 B-3 ~~347~~311.8438 3,~~748~~746,~~611~~945.7027 0.~~99962979~~99918541 ~~347~~311.8438 B-4 ~~139~~124.1455 1,~~499~~498,~~444~~778.6811 0.~~99962979~~99918541 ~~139~~124.1455 B-5 ~~139~~124.1455 1,~~499~~498,~~444~~778.6811 0.~~99962979~~99918541 ~~139~~124.1455 B-6 ~~278~~249.2911 2,~~999~~997,~~024~~691.3010 0.~~99962978~~99918540 ~~278~~249.2911 Totals 46,~~263~~593,~~927~~582.5610 ~~486~~458,~~124~~680,~~358~~814.3054 0.~~97224836~~91736129 46,~~263~~593,~~927~~582.5610

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 ~~984~~941.~~21515727~~86611324 0.00000000 714.~~06547052~~49896022 0.00000000 A-2 93,324,900.00 ~~960~~861.~~39172568~~24158215 0.~~44687549~~35955152 1612.~~88173113~~13159532 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.~~72254359~~26844000 0.~~09275795~~08303487 0.00000000 0.00000000 B-1 7,500,000.00 999.~~72254400~~26844000 0.~~09275733~~08303467 0.00000000 0.00000000 B-2 5,500,000.00 999.~~72254364~~26844000 0.~~09275818~~08303455 0.00000000 0.00000000 B-3 3,750,000.00 999.~~72254400~~26844000 0.~~09275733~~08303467 0.00000000 0.00000000 B-4 1,500,000.00 999.~~72254667~~26844000 0.~~09276000~~08303333 0.00000000 0.00000000 B-5 1,500,000.00 999.~~72254667~~26844000 0.~~09276000~~08303333 0.00000000 0.00000000 B-6 3,000,135.00 999.~~72253915~~26843625 0.~~09275916~~08303293 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 714.~~06547052~~49896022 ~~977~~927.~~14968675~~36715302 0.~~97714969~~92736715 714.~~06547052~~49896022 A-2 0.00000000 1712.~~32860662~~49114684 ~~943~~848.~~06311906~~75043531 0.~~94306312~~84875044 1712.~~32860662~~49114684 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.~~09275795~~08303487 999.~~62978564~~18540513 0.~~99962979~~99918541 0.~~09275795~~08303487 B-1 0.00000000 0.~~09275733~~08303467 999.~~62978533~~18540533 0.~~99962979~~99918541 0.~~09275733~~08303467 B-2 0.00000000 0.~~09275818~~08303455 999.~~62978545~~18540545 0.~~99962979~~99918541 0.~~09275818~~08303455 B-3 0.00000000 0.~~09275733~~08303467 999.~~62978667~~18540533 0.~~99962979~~99918541 0.~~09275733~~08303467 B-4 0.00000000 0.~~09276000~~08303333 999.~~62978667~~18540667 0.~~99962979~~99918541 0.~~09276000~~08303333 B-5 0.00000000 0.~~09276000~~08303333 999.~~62978667~~18540667 0.~~99962979~~99918541 0.~~09276000~~08303333 B-6 0.00000000 0.~~09275916~~08303293 999.~~62978333~~18540332 0.~~99962978~~99918540 0.~~09275916~~08303293 (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 1.~~44000~~95000% ~~368~~352,~~268~~422,~~706~~752.4792 ~~441~~572,~~922~~686.4597 0.00 0.00 A-2 93,324,900.00 3.~~31422~~09705% 8980,~~628~~375,~~461~~284.7653 ~~247~~207,~~540~~438.0164 0.00 0.00 X 0.00 10.~~43240~~97537% ~~394~~378,~~761~~903,~~353~~366.8858 ~~471~~307,~~212~~975.4445 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 12.~~71000~~22000% 9,~~747~~742,~~294~~867.8029 1318,~~889~~024.9030 0.00 0.00 B-1 7,500,000.00 12.~~84000~~35000% 7,~~497~~494,~~919~~513.0830 1114,~~496~~676.8176 0.00 0.00 B-2 5,500,000.00 23.~~59000~~10000% 5,~~498~~495,~~473~~976.9942 1114,~~867~~197.5494 0.00 0.00 B-3 3,750,000.00 3.~~24000~~75000% 3,~~748~~747,~~959~~256.5465 1011,~~122~~710.1918 0.00 0.00 B-4 1,500,000.00 2.~~99223~~99028% 1,~~499~~498,~~583~~902.8266 3,~~739~~735.2511 0.00 0.00 B-5 1,500,000.00 2.~~99223~~99028% 1,~~499~~498,~~583~~902.8266 3,~~739~~735.2511 0.00 0.00 B-6 3,000,135.00 2.~~99223~~99028% 2,~~999~~997,~~302~~940.5821 7,~~478~~470.8557 0.00 0.00 Totals 500,000,185.00 1,~~223~~161,~~008~~651.6903 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 0.0100 0.00 ~~441~~572,~~922~~686.4498 0.00 ~~365~~346,~~624~~997,~~984~~604.0448 A-2 0.00 0.00 ~~247~~207,~~540~~438.0064 0.00 8879,~~011~~209,~~271~~549.2850 X 0.0100 0.00 ~~470~~305,~~438~~100.3754 0.00 ~~392~~373,~~115~~476,~~173~~017.3672 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 1318,~~889~~024.8930 0.00 9,~~746~~742,~~390~~057.4170 B-1 0.00 0.00 1114,~~496~~676.8176 0.00 7,~~497~~493,~~223~~890.3954 B-2 0.00 0.00 1114,~~867~~197.5494 0.00 5,~~497~~495,~~963~~519.8273 B-3 0.00 0.00 1011,~~122~~710.1918 0.00 3,~~748~~746,~~611~~945.7027 B-4 0.00 0.00 3,~~739~~735.2511 0.00 1,~~499~~498,~~444~~778.6811 B-5 0.00 0.00 3,~~739~~735.2511 0.00 1,~~499~~498,~~444~~778.6811 B-6 0.00 0.00 7,~~478~~470.8557 0.00 2,~~999~~997,~~024~~691.3010 Totals 0.0200 0.00 1,~~222~~158,~~234~~776.5913 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 1.~~44000~~95000% ~~984~~941.~~21515727~~86611324 1.~~18105819~~53053242 0.00000000 0.00000000 A-2 93,324,900.00 3.~~31422~~09705% ~~960~~861.~~39172568~~24158215 2.~~65245406~~22275770 0.00000000 0.00000000 X 0.00 10.~~43240~~97537% ~~985~~945.~~24079087~~66261079 10.~~17604652~~76864154 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 12.~~71000~~22000% 999.~~72254359~~26844000 1.~~42460513~~84864615 0.00000000 0.00000000 B-1 7,500,000.00 12.~~84000~~35000% 999.~~72254400~~26844000 1.~~53290800~~95690133 0.00000000 0.00000000 B-2 5,500,000.00 23.~~59000~~10000% 999.~~72254364~~26844000 2.~~15773455~~58144364 0.00000000 0.00000000 B-3 3,750,000.00 3.~~24000~~75000% 999.~~72254400~~26844000 23.~~69925067~~12271467 0.00000000 0.00000000 B-4 1,500,000.00 2.~~99223~~99028% 999.~~72254667~~26844000 2.~~49283333~~49007333 0.00000000 0.00000000 B-5 1,500,000.00 2.~~99223~~99028% 999.~~72254667~~26844000 2.~~49283333~~49007333 0.00000000 0.00000000 B-6 3,000,135.00 2.~~99223~~99028% 999.~~72253915~~26843625 2.~~49283782~~49007795 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.~~00000003~~00000000 0.00000000 1.~~18105817~~53053245 0.00000000 ~~977~~927.~~14968675~~36715302 A-2 0.00000000 0.00000000 2.~~65245395~~22275770 0.00000000 ~~943~~848.~~06311906~~75043531 X 0.~~00000002~~00000000 0.00000000 10.~~17411461~~76146638 0.00000000 ~~978~~932.~~63648433~~11709670 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 1.~~42460410~~84864615 0.00000000 999.~~62978564~~18540513 B-1 0.00000000 0.00000000 1.~~53290800~~95690133 0.00000000 999.~~62978533~~18540533 B-2 0.00000000 0.00000000 2.~~15773455~~58144364 0.00000000 999.~~62978545~~18540545 B-3 0.00000000 0.00000000 23.~~69925067~~12271467 0.00000000 999.~~62978667~~18540533 B-4 0.00000000 0.00000000 2.~~49283333~~49007333 0.00000000 999.~~62978667~~18540667 B-5 0.00000000 0.00000000 2.~~49283333~~49007333 0.00000000 999.~~62978667~~18540667 B-6 0.00000000 0.00000000 2.~~49283782~~49007795 0.00000000 999.~~62978333~~18540332 (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 1.~~47204~~01375% ~~368~~352,~~268~~422,~~706~~752.4792 ~~365~~346,~~624~~997,~~984~~604.0448 0.00 0.00 9792.~~71496868~~73671530% 2-X 0.~~88135~~46462% 26,~~492~~480,~~647~~613.4166 26,~~490~~478,~~189~~413.3224 0.00 0.00 99.~~96297857~~91854053%

CERTIFICATEHOLDER ACCOUNT STATEMENT CERTIFICATE ACCOUNT Beginning Balance 0.00 Deposits Payments of Interest and Principal 57,~~648~~898,~~241~~303.8368 Liquidations, Insurance Proceeds, Reserve Funds 0.00 Proceeds from Repurchased Loans 0.00 Other Amounts (Servicer Advances) 1412,~~465~~873.7308 Realized Loss (Gains, Subsequent Expenses & Recoveries) 0.00 Prepayment Penalties 0.00 Total Deposits 57,~~662~~911,~~707~~176.5676 Withdrawals Reimbursement for Servicer Advances 2212,~~195~~369.0547 Payment of Service Fee ~~154~~146,~~350~~449.3606 Payment of Interest and Principal 57,~~486~~752,~~162~~358.1523 Total Withdrawals (Pool Distribution Amount) 57,~~662~~911,~~707~~176.5676 Ending Balance 0.00

SERVICING FEES Gross Servicing Fee 4844,~~326~~132.3804 Additional Servicing Fee ~~104~~101,~~919~~266.9320 Master Servicing Fee ~~1,021~~969.6334 Miscellaneous Fee 8281.4248 Supported Prepayment/Curtailment Interest Shortfall 0.00 Net Servicing Fee ~~154~~146,~~350~~449.3606

OTHER ACCOUNTS Beginning Current Current Ending Account Type Balance Withdrawals Deposits Balance Reserve Fund 5,000.00 ~~774~~2,874.0591 ~~774~~2,874.0591 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 1213 0 0 0 1213 43,~~222~~783,~~299~~329.3075 0.00 0.00 0.00 43,~~222~~783,~~299~~329.3075 60 Days 03 0 0 0 03 0500,850.00 0.00 0.00 0.00 0500,850.00 90 Days 12 0 0 0 12 ~~183~~268,~~095~~595.00 0.00 0.00 0.00 ~~183~~268,~~095~~595.00 120 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 1318 0 0 0 1318 4,~~405~~552,~~394~~774.3075 0.00 0.00 0.00 4,~~405~~552,~~394~~774.3075 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.~~644815~~728700% 0.000000% 0.000000% 0.000000% 0.~~644815~~728700% 0.~~868884~~824781% 0.000000% 0.000000% 0.000000% 0.~~868884~~824781% 60 Days 0.~~000000~~168161% 0.000000% 0.000000% 0.000000% 0.~~000000~~168161% 0.~~000000~~109187% 0.000000% 0.000000% 0.000000% 0.~~000000~~109187% 90 Days 0.~~053735~~112108% 0.000000% 0.000000% 0.000000% 0.~~053735~~112108% 0.~~037678~~058555% 0.000000% 0.000000% 0.000000% 0.~~037678~~058555% 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 01.~~698549~~008969% 0.000000% 0.000000% 0.000000% 01.~~698549~~008969% 0.~~906562~~992523% 0.000000% 0.000000% 0.000000% 0.~~906562~~992523%

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 912 0 0 0 912 3,~~209~~389,~~180~~789.75 0.00 0.00 0.00 3,~~209~~389,~~180~~789.75 60 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 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 9 0 0 0 9 3~~,209,180.75~~ 0~~.00~~ 0~~.00~~ 0~~.00~~ 3 500,~~209,180~~850.75 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 0.607287% 0.000000% 0.000000% 0.000000% 0.607287% 0.819831% 0.000000% 0.000000% 0.000000% 0.819831% 60 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 90 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 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 0.607287% 0.000000% 0.000000% 0.000000% 0.607287% 0.819831% 0.000000% 0.000000% 0.000000% 0.819831% 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 3 0 0 0 3 1~~500,~~013,118~~850.~~55 0.~~00 ~~0.00 0.00 1,013,118.55 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~~85,~~095~~500.00 0.00 0.00 0.00 ~~183~~85,~~095~~500.00 120 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 416 0 0 0 416 13,~~196~~976,~~213~~139.5575 0.00 0.00 0.00 13,~~196~~976,~~213~~139.5575 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 0.~~791557~~842697% 0.000000% 0.000000% 0.000000% 0.~~791557~~842697% 10.~~072071~~908765% 0.000000% 0.000000% 0.000000% 10.~~072071~~908765% 60 Days 0.~~000000~~210674% 0.000000% 0.000000% 0.000000% 0.~~000000~~210674% 0.~~000000~~134272% 0.000000% 0.000000% 0.000000% 0.~~000000~~134272% 90 Days 0.~~263852~~070225% 0.000000% 0.000000% 0.000000% 0.~~263852~~070225% 0.~~193749~~022922% 0.000000% 0.000000% 0.000000% 0.~~193749~~022922% 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.~~055409~~123596% 0.000000% 0.000000% 0.000000% 1.~~055409~~123596% 1.~~265820~~065959% 0.000000% 0.000000% 0.000000% 1.~~265820~~065959%

~~OTHER~~DELINQUENT ~~INFORMATION~~BANKRUPTCY ~~Current~~FORECLOSURE ~~Period~~REO ~~Class~~Total AGroup ~~Insufficient~~II ~~Funds~~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 ~~Principal~~0.00 ~~Balance~~0.00 of0.00 ~~Contaminated~~30 ~~Properties~~Days 1 0 0 0 1 393,540.00 ~~Periodic~~0.00 ~~Advance~~0.00 140.00 393,~~465~~540.7300 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%

~~COLLATERAL~~OTHER ~~STATEMENT~~INFORMATION ~~Collateral~~Current ~~Description~~Period ~~Mixed~~Class ~~ARM~~A ~~Weighted~~Insufficient ~~Average~~Funds Gross Coupon 3.369432% Weighted Average Net Coupon 3.251175% Weighted Average Pass-Through Rate 2.991730% Weighted Average Maturity(Stepdown Calculation ) 322 Beginning Scheduled Collateral Loan Count 1,869 Number Of Loans Paid In Full 8 Ending Scheduled Collateral Loan Count 1,861 Beginning Scheduled Collateral Balance 490,388,285.85 Ending Scheduled Collateral Balance 486,124,358.30 Ending Actual Collateral Balance at 31-Mar-2004 485,945,042.90 Monthly P &I Constant 1,421,660.77 Special Servicing Fee 0.00 ~~Prepayment~~Principal ~~Penalties~~Balance ~~0.00~~of ~~Realized~~Contaminated ~~Loss~~Properties ~~Amount~~ 0.00 ~~Cumulative~~Periodic ~~Realized~~Advance ~~Loss 0.00 Ending Scheduled Balance for Premium Loans 486~~12,~~124,358~~873.~~30 Scheduled Principal 44,719.25 Unscheduled Principal 4,219,208.30~~08

~~Miscellaneous~~COLLATERAL ~~Reporting~~STATEMENT ~~Senior~~Collateral ~~Percentage~~Description -Mixed ~~Group~~ARM 1Weighted 93Average Gross Coupon 3.~~402607~~366337% ~~Senior~~Weighted ~~Percentage~~Average Net Coupon 3.252515% Weighted Average Pass-Through ~~Group~~Rate 2 93.~~258736~~988626% ~~Senior~~Weighted ~~Prepay~~Average ~~Percentage~~Maturity(Stepdown -Calculation ~~Group~~) 317 Beginning Scheduled Collateral Loan Count 1,804 ~~100.000000%~~Number ~~Senior~~Of ~~Prepay~~Loans ~~Percentage~~Paid -In ~~Group~~Full 220 ~~100.000000%~~Ending ~~Subordinate~~Scheduled ~~Percentage~~Collateral -Loan ~~Group~~Count 1,784 ~~6.597393%~~Beginning ~~Subordinate~~Scheduled ~~Percentage~~Collateral -Balance ~~Group~~465,274,396.64 2Ending 6Scheduled Collateral Balance 458,680,814.~~741264%~~54 ~~Subordinate~~Ending ~~Prepay~~Actual ~~Percentage~~Collateral Balance at 31-Aug-2004 ~~Group~~458,707,268.12 Monthly P &I Constant 1,341,478.91 Special Servicing Fee 0.~~000000%~~00 ~~Subordinate~~Prepayment ~~Prepay~~Penalties ~~Percentage~~0.00 -Realized ~~Group~~Loss 2Amount 0.~~000000%~~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

~~Group~~Miscellaneous ~~Level~~Reporting ~~Collateral~~Senior ~~Statement~~Percentage ~~Group~~- Group I1 ~~Group II Total Collateral Description Mixed ARM Mixed ARM Mixed ARM Weighted Average Coupon Rate 3~~93.~~290623~~126358% ~~3.692744~~Senior ~~3.369432~~Percentage ~~Weighted~~- ~~Average~~Group ~~Net Rate 3.177633 3.552883 3.251175 Weighted Average Maturity 319 334 322 Beginning Loan Count 1,488 381 1,869 Loans Paid In Full 6~~ 2 ~~8 Ending Loan Count 1,482 379 1,861 Beginning Scheduled Balance 394,280,975~~92.75556269% ~~96,107,310.10~~Senior ~~490,388,285.85~~Prepay ~~Ending~~Percentage ~~scheduled~~- ~~Balance~~Group ~~391,637,253.32 94,487,104.98 486,124,358.30 Record Date 03/31/2004 03/31/2004 03/31/2004 Principal And Interest Constant~~ 1~~,081,191.76~~ ~~340,469~~100.01000000% ~~1,421,660.77~~Senior ~~Scheduled~~Prepay ~~Principal~~Percentage ~~0.00~~- ~~44,719.25~~Group ~~44,719.25 Unscheduled Principal~~ 2~~,643,722.43~~ ~~1,575,485~~100.87000000% ~~4,219,208.30~~Subordinate ~~Scheduled~~Percentage ~~Interest~~- ~~1,081,191.76~~Group ~~295,749.76~~ 1~~,376,941.52~~ ~~Servicing Fees 37,124~~6.95873642% ~~11,201.43~~Subordinate ~~48,326.38~~Percentage ~~Master~~- ~~Servicing~~Group Fees 821.41 200.22 1,021.63 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 86,087.84 18,914.51 105,002.35 Pool Insurance Fee 0.00 0.00 0.00 Spread Fee 1 0.00 0.00 0.00 Spread Fee 2 07.00443731% ~~0.00~~Subordinate ~~0.00~~Prepay ~~Spread~~Percentage ~~Fee~~- 3Group ~~0.00 0.00 0.00 Net Interest 957,157.56 265,433.60~~ 1~~,222,591.16~~ ~~Realized Loss Amount~~ 0.00000000% ~~0.00~~Subordinate ~~0.00~~Prepay ~~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~~Group 2~~.913123~~ 30.~~314215 2.991730~~000000%

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