8-K 1 sam02004_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 27, 2004 STRUCTURED ASSET MORTGAGE INVESTMENTS INC. Mortgage Pass-Through Certificates, Series 2002-4 Trust (Exact name of registrant as specified in its charter) New York (governing law of 333-68542-11 90-0072992 Pooling and Servicing Agreement) (Commission 90-0073001 (State or other File Number) Pending 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 27, 2004 a distribution was made to holders of STRUCTURED ASSET MORTGAGE INVESTMENTS INC., Mortgage Pass-Through Certificates, Series 2002-4 Trust. ITEM 9.01 Financial Statements and Exhibits (c) Exhibits Exhibit Number Description EX-99.1 Monthly report distributed to holders of Mortgage Pass-Through Certificates, Series 2002-4 Trust, relating to the September 27, 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 2002-4 Trust (Registrant) By: Wells Fargo Bank, N.A. as Master Servicer By: /s/ Beth Belfield as Assistant Vice President By: Beth Belfield as Assistant Vice President Date: 10/4/2004 INDEX TO EXHIBITS Exhibit Number Description EX-99.1 Monthly report distributed to holders of Mortgage Pass-Through Certificates, Series 2002-4 Trust, relating to the September 27, 2004 distribution. EX-99.1

Structured Asset Mortgage Investments Inc. Mortgage Pass-Through Certificates Record Date: 78/31/2004 Distribution Date: 89/2527/2004 SAM Series: 2002-4 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 I-A-1 86358HPP8 SEN 5.50000% 0.00 0.00 0.00 I-A-2 86358HPQ6 SEN 5.75000% 0.00 0.00 0.00 I-A-3 86358HPR4 SEN 6.00000% 0.00 0.00 0.00 I-A-4 86358HPS2 SEN 12.~~95000~~11500% 0.00 0.00 0.00 I-A-5 86358HPT0 SEN 6.~~55000~~38500% 0.00 0.00 0.00 I-A-6 86358HPU7 SEN 5.95000% 0.00 0.00 0.00 I-A-7 86358HPV5 SEN 6.00000% 2625,~~225~~471,~~038~~432.6266 ~~130~~126,~~960~~307.5719 ~~753~~2,~~605~~333,478.96 I-A-8 86358HQD4 SEN 6.00000% 1,~~348~~310,~~798~~039.9368 6,~~735~~496.5320 38120,~~759~~014.2584 I-X 86358HQE2 SEN 0.~~59899~~60200% 0.00 19,~~611~~171.2232 0.00 I-P 86358HQF9 PO 0.00000% 47,~~908~~771.9748 0.00 ~~137~~75.4943 R-I 86358HQB8 RES 6.00000% 0.00 0.00 0.00 R-II 86358HQC6 RES 6.00000% 0.00 0.00 0.00 R-III 86358HQH5 RES 6.00000% 0.00 0.00 0.00 II-A 86358HQG7 SEN 5.50000% 1110,~~392~~278,~~832~~375.5788 5246,~~151~~720.5984 1376,~~114,456~~775.6975 II-X 86358HPW3 SEN 0.~~61050~~60990% 0.00 87,~~274~~632.3625 0.00 II-P 86358HPX1 PO 0.00000% 16,~~239~~059.1351 0.00 ~~179~~180.6244 III-A 86358HPY9 SEN 7.00000% 11,~~925~~228,~~994~~248.9989 6964,~~480~~958.9613 ~~697~~823,~~746~~281.1077 III-X 86358HPZ6 SEN 0.~~14193~~14603% 0.00 1,~~595~~542.8397 0.00 III-P 86358HQA0 PO 0.00000% ~~309~~284,~~852~~376.8404 0.00 2512,~~476~~646.8025 B-1 86358HQJ1 SUB 5.~~93485~~93542% 8,~~462~~442,~~640~~549.1929 41,~~801~~414.2010 20,~~090~~376.9072 B-2 86358HQK8 SUB 5.~~93485~~93542% 3,~~446~~438,~~505~~323.4015 1716,~~024~~866.0136 8,~~182~~298.2565 B-3 86358HQL6 SUB 5.~~93485~~93542% 2,~~507~~501,~~590~~637.3111 12,~~386~~271.2453 56,~~953~~037.2089 B-4 86358HQM4 SUB 5.~~93485~~93542% 1,~~252~~249,~~840~~866.9764 6,~~188~~131.4110 23,~~974~~016.3365 B-5 86358HQN2 SUB 5.~~93485~~93542% ~~939~~937,~~869~~637.2796 4,~~642~~599.4849 2,~~231~~263.3206 B-6 86358HQP7 SUB 5.~~93485~~93542% 1,~~255~~252,~~833~~852.5914 6,~~203~~145.1974 23,~~981~~023.4384 Totals 6966,~~131~~459,~~945~~170.7843 ~~377~~360,~~055~~257.5922 23,~~672~~709,~~775~~470.3425

Certificateholder Distribution Summary (continued) Current Ending Cumulative Realized Certificate Total Realized Class Loss Balance Distribution Losses I-A-1 0.00 0.00 0.00 0.00 I-A-2 0.00 0.00 0.00 0.00 I-A-3 0.00 0.00 0.00 0.00 I-A-4 0.00 0.00 0.00 0.00 I-A-5 0.00 0.00 0.00 0.00 I-A-6 0.00 0.00 0.00 0.00 I-A-7 0.00 2523,~~471~~137,~~432~~953.6670 ~~884~~2,~~566~~459,786.5315 0.00 I-A-8 0.00 1,~~310~~190,~~039~~024.6884 45126,~~494~~511.7804 0.00 I-X 0.00 0.00 19,~~611~~171.2232 0.00 I-P 0.00 47,~~771~~696.4805 ~~137~~75.4943 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 II-A 0.00 109,~~278~~901,~~375~~600.8813 1423,~~166,608~~496.2859 0.00 II-X 0.00 0.00 87,~~274~~632.3625 0.00 II-P 0.00 1615,~~059~~879.5107 ~~179~~180.6244 0.00 III-A 0.00 1110,~~228~~404,~~248~~967.8912 ~~767~~888,~~227~~239.0690 0.00 III-X 0.00 0.00 1,~~595~~542.8397 0.00 III-P 0.00 ~~284~~271,~~376~~729.0479 2512,~~476~~646.8025 0.00 B-1 0.00 8,~~442~~422,~~549~~172.2957 61,~~892~~790.1082 0.00 B-2 0.00 3,~~438~~430,~~323~~024.1550 25,~~206~~165.2601 0.00 B-3 0.00 2,~~501~~495,~~637~~599.1122 18,~~339~~309.4442 0.00 B-4 0.00 1,~~249~~246,~~866~~849.6499 9,~~162~~147.7475 0.00 B-5 0.00 ~~937~~935,~~637~~374.9690 6,~~873~~862.8055 0.00 B-6 0.00 1,~~252~~249,~~852~~828.1430 9,~~184~~169.6258 0.00 Totals 0.00 6662,~~459~~749,~~170~~700.4318 34,~~049~~069,~~830~~727.9347 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) I-A-1 186,972,500.00 0.00 0.00 0.00 0.00 0.00 I-A-2 10,000,000.00 0.00 0.00 0.00 0.00 0.00 I-A-3 100,000,000.00 0.00 0.00 0.00 0.00 0.00 I-A-4 38,394,500.00 0.00 0.00 0.00 0.00 0.00 I-A-5 0.00 0.00 0.00 0.00 0.00 0.00 I-A-6 14,000,000.00 0.00 0.00 0.00 0.00 0.00 I-A-7 39,500,000.00 2625,~~225~~471,~~038~~432.6266 28,~~629~~073.9644 ~~724~~2,~~976~~305,405.0052 0.00 0.00 I-A-8 19,999,950.00 1,~~348~~310,~~798~~039.9368 1,~~472~~443.4987 37118,~~286~~570.7798 0.00 0.00 I-X 0.00 0.00 0.00 0.00 0.00 0.00 I-P 78,647.00 47,~~908~~771.9748 5859.3403 7916.1540 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 II-A 184,871,500.00 1110,~~392~~278,~~832~~375.5788 6661,~~174~~075.9118 1315,~~048,281~~700.7857 0.00 0.00 II-X 0.00 0.00 0.00 0.00 0.00 0.00 II-P 52,290.00 16,~~239~~059.1351 ~~179~~180.6244 0.00 0.00 0.00 III-A 43,527,000.00 11,~~925~~228,~~994~~248.9989 1211,~~214~~615.0228 ~~685~~811,~~532~~666.0849 0.00 0.00 III-X 0.00 0.00 0.00 0.00 0.00 0.00 III-P 765,935.00 ~~309~~284,~~852~~376.8404 ~~341~~317.3731 2512,~~135~~328.4394 0.00 0.00 B-1 8,869,000.00 8,~~462~~442,~~640~~549.1929 20,~~090~~376.9072 0.00 0.00 0.00 B-2 3,612,000.00 3,~~446~~438,~~505~~323.4015 8,~~182~~298.2565 0.00 0.00 0.00 B-3 2,628,000.00 2,~~507~~501,~~590~~637.3111 56,~~953~~037.2089 0.00 0.00 0.00 B-4 1,313,000.00 1,~~252~~249,~~840~~866.9764 23,~~974~~016.3365 0.00 0.00 0.00 B-5 985,000.00 ~~939~~937,~~869~~637.2796 2,~~231~~263.3206 0.00 0.00 0.00 B-6 1,316,134.00 1,~~255~~252,~~833~~852.5914 23,~~981~~023.4384 0.00 0.00 0.00 Totals 656,885,606.00 6966,~~131~~459,~~945~~170.7843 ~~151~~145,~~484~~781.1436 23,~~521~~563,~~291~~688.2190 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 I-A-1 0.00 0.00 0.00000000 0.00 I-A-2 0.00 0.00 0.00000000 0.00 I-A-3 0.00 0.00 0.00000000 0.00 I-A-4 0.00 0.00 0.00000000 0.00 I-A-5 0.00 0.00 0.00000000 0.00 I-A-6 0.00 0.00 0.00000000 0.00 I-A-7 ~~753~~2,~~605~~333,478.96 2523,~~471~~137,~~432~~953.6670 0.~~64484640~~58577098 ~~753~~2,~~605~~333,478.96 I-A-8 38120,~~759~~014.2584 1,~~310~~190,~~039~~024.6884 0.~~06550215~~05950139 38120,~~759~~014.2584 I-X 0.00 0.00 0.00000000 0.00 I-P ~~137~~75.4943 47,~~771~~696.4805 0.~~60741643~~60645733 ~~137~~75.4943 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 II-A 1376,~~114,456~~775.6975 109,~~278~~901,~~375~~600.8813 0.~~05559741~~05355936 1376,~~114,456~~775.6975 II-X 0.00 0.00 0.00000000 0.00 II-P ~~179~~180.6244 1615,~~059~~879.5107 0.~~30712392~~30367317 ~~179~~180.6244 III-A ~~697~~823,~~746~~281.1077 1110,~~228~~404,~~248~~967.8912 0.~~25796055~~23904627 ~~697~~823,~~746~~281.1077 III-X 0.00 0.00 0.00000000 0.00 III-P 2512,~~476~~646.8025 ~~284~~271,~~376~~729.0479 0.~~37127960~~35476873 2512,~~476~~646.8025 B-1 20,~~090~~376.9072 8,~~442~~422,~~549~~172.2957 0.~~95191671~~94961919 20,~~090~~376.9072 B-2 8,~~182~~298.2565 3,~~438~~430,~~323~~024.1550 0.~~95191671~~94961919 8,~~182~~298.2565 B-3 56,~~953~~037.2089 2,~~501~~495,~~637~~599.1122 0.~~95191671~~94961919 56,~~953~~037.2089 B-4 23,~~974~~016.3365 1,~~249~~246,~~866~~849.6499 0.~~95191671~~94961919 23,~~974~~016.3365 B-5 2,~~231~~263.3206 ~~937~~935,~~637~~374.9690 0.~~95191671~~94961919 2,~~231~~263.3206 B-6 23,~~981~~023.4384 1,~~252~~249,~~852~~828.1430 0.~~95191838~~94962086 23,~~981~~023.4384 Totals 23,~~672~~709,~~775~~470.3425 6662,~~459~~749,~~170~~700.4318 0.~~10117313~~09552607 23,~~672~~709,~~775~~470.3425

Principal Distribution Factors Statement Original Beginning Scheduled Unscheduled Face Certificate Principal Principal Class (2) Amount Balance Distribution Distribution Accretion I-A-1 186,972,500.00 0.00000000 0.00000000 0.00000000 0.00000000 I-A-2 10,000,000.00 0.00000000 0.00000000 0.00000000 0.00000000 I-A-3 100,000,000.00 0.00000000 0.00000000 0.00000000 0.00000000 I-A-4 38,394,500.00 0.00000000 0.00000000 0.00000000 0.00000000 I-A-5 0.00 0.00000000 0.00000000 0.00000000 0.00000000 I-A-6 14,000,000.00 0.00000000 0.00000000 0.00000000 0.00000000 I-A-7 39,500,000.00 ~~663~~644.~~92502835~~84639646 0.~~72480911~~71072000 1858.~~35382278~~36469671 0.00000000 I-A-8 19,999,950.00 6765.~~44011510~~50214776 0.~~07362468~~07219368 15.~~86434316~~92856382 0.00000000 I-X 0.00 0.00000000 0.00000000 0.00000000 0.00000000 I-P 78,647.00 ~~609~~607.~~16462166~~41643038 0.~~74179562~~75056900 10.~~00639567~~20852671 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 II-A 184,871,500.00 6155.~~62568362~~59740620 0.~~35795085~~33036558 51.~~67032658~~70767571 0.00000000 II-X 0.00 0.00000000 0.00000000 0.00000000 0.00000000 II-P 52,290.00 ~~310~~307.~~55899790~~12392427 3.~~43507363~~45075540 0.00000000 0.00000000 III-A 43,527,000.00 ~~273~~257.~~99074115~~96055069 0.~~28060790~~26685230 1518.~~74958256~~64742551 0.00000000 III-X 0.00 0.00000000 0.00000000 0.00000000 0.00000000 III-P 765,935.00 ~~404~~371.~~54195199~~27959944 0.~~44569056~~41427797 3216.~~81666199~~09658783 0.00000000 B-1 8,869,000.00 ~~954~~951.~~18200361~~91670876 2.~~26529485~~29752170 0.00000000 0.00000000 B-2 3,612,000.00 ~~954~~951.~~18200443~~91670819 2.~~26529623~~29752215 0.00000000 0.00000000 B-3 2,628,000.00 ~~954~~951.~~18200533~~91670852 2.~~26529680~~29752283 0.00000000 0.00000000 B-4 1,313,000.00 ~~954~~951.~~18200305~~91670982 2.~~26529322~~29752475 0.00000000 0.00000000 B-5 985,000.00 ~~954~~951.~~18200000~~91671066 2.~~26529949~~29752284 0.00000000 0.00000000 B-6 1,316,134.00 ~~954~~951.~~18368494~~91837609 2.~~26529366~~29751682 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 I-A-1 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 I-A-2 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 I-A-3 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 I-A-4 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 I-A-5 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 I-A-6 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 I-A-7 0.00000000 1959.~~07863190~~07541671 ~~644~~585.~~84639646~~77097975 0.~~64484640~~58577098 1959.~~07863190~~07541671 I-A-8 0.00000000 16.~~93796734~~00075700 6559.~~50214776~~50139075 0.~~06550215~~05950139 16.~~93796734~~00075700 I-X 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 I-P 0.00000000 10.~~74819129~~95909571 ~~607~~606.~~41643038~~45733467 0.~~60741643~~60645733 10.~~74819129~~95909571 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 II-A 0.00000000 62.~~02827743~~03804129 5553.~~59740620~~55936491 0.~~05559741~~05355936 62.~~02827743~~03804129 II-X 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 II-P 0.00000000 3.~~43507363~~45075540 ~~307~~303.~~12392427~~67316887 0.~~30712392~~30367317 3.~~43507363~~45075540 III-A 0.00000000 1618.~~03019046~~91427780 ~~257~~239.~~96055069~~04627289 0.~~25796055~~23904627 1618.~~03019046~~91427780 III-X 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 III-P 0.00000000 3316.~~26235255~~51086580 ~~371~~354.~~27959944~~76873364 0.~~37127960~~35476873 3316.~~26235255~~51086580 B-1 0.00000000 2.~~26529485~~29752170 ~~951~~949.~~91670876~~61918706 0.~~95191671~~94961919 2.~~26529485~~29752170 B-2 0.00000000 2.~~26529623~~29752215 ~~951~~949.~~91670819~~61918605 0.~~95191671~~94961919 2.~~26529623~~29752215 B-3 0.00000000 2.~~26529680~~29752283 ~~951~~949.~~91670852~~61918569 0.~~95191671~~94961919 2.~~26529680~~29752283 B-4 0.00000000 2.~~26529322~~29752475 ~~951~~949.~~91670982~~61918507 0.~~95191671~~94961919 2.~~26529322~~29752475 B-5 0.00000000 2.~~26529949~~29752284 ~~951~~949.~~91671066~~61918782 0.~~95191671~~94961919 2.~~26529949~~29752284 B-6 0.00000000 2.~~26529366~~29751682 ~~951~~949.~~91837609~~62085927 0.~~95191838~~94962086 2.~~26529366~~29751682 (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 I-A-1 186,972,500.00 5.50000% 0.00 0.00 0.00 0.00 I-A-2 10,000,000.00 5.75000% 0.00 0.00 0.00 0.00 I-A-3 100,000,000.00 6.00000% 0.00 0.00 0.00 0.00 I-A-4 38,394,500.00 12.~~95000~~11500% 0.00 0.00 0.00 0.00 I-A-5 0.00 6.~~55000~~38500% 0.00 0.00 0.00 0.00 I-A-6 14,000,000.00 5.95000% 0.00 0.00 0.00 0.00 I-A-7 39,500,000.00 6.00000% 2625,~~225~~471,~~038~~432.6266 ~~131~~127,~~125~~357.1916 0.00 0.00 I-A-8 19,999,950.00 6.00000% 1,~~348~~310,~~798~~039.9368 6,~~743~~550.9920 0.00 0.00 I-X 0.00 0.~~59899~~60200% 3938,~~337~~532,~~933~~639.2797 19,~~635~~330.8869 0.00 0.00 I-P 78,647.00 0.00000% 47,~~908~~771.9748 0.00 0.00 0.00 R-I 50.00 6.00000% 0.00 0.00 0.00 0.00 R-II 50.00 6.00000% 0.00 0.00 0.00 0.00 R-III 50.00 6.00000% 0.00 0.00 0.00 0.00 II-A 184,871,500.00 5.50000% 1110,~~392~~278,~~832~~375.5788 5247,~~217~~109.1522 0.00 0.00 II-X 0.00 0.~~61050~~60990% 1615,~~284~~141,~~424~~469.1349 87,~~284~~695.7669 0.00 0.00 II-P 52,290.00 0.00000% 16,~~239~~059.1351 0.00 0.00 0.00 III-A 43,527,000.00 7.00000% 11,~~925~~228,~~994~~248.9989 6965,~~568~~498.3012 0.00 0.00 III-X 0.00 0.~~14193~~14603% 1312,~~509~~785,~~588~~060.3898 1,~~597~~555.8480 0.00 0.00 III-P 765,935.00 0.00000% ~~309~~284,~~852~~376.8404 0.00 0.00 0.00 B-1 8,869,000.00 5.~~93485~~93542% 8,~~462~~442,~~640~~549.1929 41,~~853~~758.7536 0.00 0.00 B-2 3,612,000.00 5.~~93485~~93542% 3,~~446~~438,~~505~~323.4015 17,~~045~~006.4156 0.00 0.00 B-3 2,628,000.00 5.~~93485~~93542% 2,~~507~~501,~~590~~637.3111 12,~~401~~373.8155 0.00 0.00 B-4 1,313,000.00 5.~~93485~~93542% 1,~~252~~249,~~840~~866.9764 6,~~196~~182.1906 0.00 0.00 B-5 985,000.00 5.~~93485~~93542% ~~939~~937,~~869~~637.2796 4,~~648~~637.3273 0.00 0.00 B-6 1,316,134.00 5.~~93485~~93542% 1,~~255~~252,~~833~~852.5914 6,~~210~~196.9983 0.00 0.00 Totals 656,885,606.00 ~~377~~363,~~529~~251.5897 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 I-A-1 0.00 0.00 0.00 0.00 0.00 I-A-2 0.00 0.00 0.00 0.00 0.00 I-A-3 0.00 0.00 0.00 0.00 0.00 I-A-4 0.00 0.00 0.00 0.00 0.00 I-A-5 0.00 0.00 0.00 0.00 0.00 I-A-6 0.00 0.00 0.00 0.00 0.00 I-A-7 ~~164~~1,049.6397 0.00 ~~130~~126,~~960~~307.5719 0.00 2523,~~471~~137,~~432~~953.6670 I-A-8 854.4700 0.00 6,~~735~~496.5320 0.00 1,~~310~~190,~~039~~024.6884 I-X 24159.6537 0.00 19,~~611~~171.2232 0.00 3836,~~532~~066,~~639~~171.9779 I-P 0.00 0.00 0.00 0.00 47,~~771~~696.4805 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 II-A 65388.5638 0.00 5246,~~151~~720.5984 0.00 109,~~278~~901,~~375~~600.8813 II-X 1063.4045 0.00 87,~~274~~632.3625 0.00 1514,~~141~~735,~~469~~711.4972 II-P 0.00 0.00 0.00 0.00 1615,~~059~~879.5107 III-A 87539.3499 0.00 6964,~~480~~958.9613 0.00 1110,~~228~~404,~~248~~967.8912 III-X 212.0183 0.00 1,~~595~~542.8397 0.00 1211,~~785~~947,~~060~~816.9867 III-P 0.00 0.00 0.00 0.00 ~~284~~271,~~376~~729.0479 B-1 52344.5527 0.00 41,~~801~~414.2010 0.00 8,~~442~~422,~~549~~172.2957 B-2 21140.4021 0.00 1716,~~024~~866.0136 0.00 3,~~438~~430,~~323~~024.1550 B-3 15102.5701 0.00 12,~~386~~271.2453 0.00 2,~~501~~495,~~637~~599.1122 B-4 750.7897 0.00 6,~~188~~131.4110 0.00 1,~~249~~246,~~866~~849.6499 B-5 538.8423 0.00 4,~~642~~599.4849 0.00 ~~937~~935,~~637~~374.9690 B-6 751.8009 0.00 6,~~203~~145.1974 0.00 1,~~252~~249,~~852~~828.1430 Totals ~~474~~2,994.0077 0.00 ~~377~~360,~~055~~257.5922 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 I-A-1 186,972,500.00 5.50000% 0.00000000 0.00000000 0.00000000 0.00000000 I-A-2 10,000,000.00 5.75000% 0.00000000 0.00000000 0.00000000 0.00000000 I-A-3 100,000,000.00 6.00000% 0.00000000 0.00000000 0.00000000 0.00000000 I-A-4 38,394,500.00 12.~~95000~~11500% 0.00000000 0.00000000 0.00000000 0.00000000 I-A-5 0.00 6.~~55000~~38500% 0.00000000 0.00000000 0.00000000 0.00000000 I-A-6 14,000,000.00 5.95000% 0.00000000 0.00000000 0.00000000 0.00000000 I-A-7 39,500,000.00 6.00000% ~~663~~644.~~92502835~~84639646 3.~~31962506~~22423190 0.00000000 0.00000000 I-A-8 19,999,950.00 6.00000% 6765.~~44011510~~50214776 0.~~33720034~~32751082 0.00000000 0.00000000 I-X 0.00 0.~~59899~~60200% 9391.~~45188099~~53881217 0.~~04664734~~04592232 0.00000000 0.00000000 I-P 78,647.00 0.00000% ~~609~~607.~~16462166~~41643038 0.00000000 0.00000000 0.00000000 R-I 50.00 6.00000% 0.00000000 0.00000000 0.00000000 0.00000000 R-II 50.00 6.00000% 0.00000000 0.00000000 0.00000000 0.00000000 R-III 50.00 6.00000% 0.00000000 0.00000000 0.00000000 0.00000000 II-A 184,871,500.00 5.50000% 6155.~~62568362~~59740620 0.~~28245105~~25482143 0.00000000 0.00000000 II-X 0.00 0.~~61050~~60990% 8579.~~55017001~~54566147 0.~~04352396~~04042928 0.00000000 0.00000000 II-P 52,290.00 0.00000% ~~310~~307.~~55899790~~12392427 0.00000000 0.00000000 0.00000000 III-A 43,527,000.00 7.00000% ~~273~~257.~~99074115~~96055069 1.~~59827923~~50476991 0.00000000 0.00000000 III-X 0.00 0.~~14193~~14603% ~~296~~280.~~30835001~~41715389 0.~~03504573~~03412365 0.00000000 0.00000000 III-P 765,935.00 0.00000% ~~404~~371.~~54195199~~27959944 0.00000000 0.00000000 0.00000000 B-1 8,869,000.00 5.~~93485~~93542% ~~954~~951.~~18200361~~91670876 4.~~71910587~~70835043 0.00000000 0.00000000 B-2 3,612,000.00 5.~~93485~~93542% ~~954~~951.~~18200443~~91670819 4.~~71910576~~70834994 0.00000000 0.00000000 B-3 2,628,000.00 5.~~93485~~93542% ~~954~~951.~~18200533~~91670852 4.~~71910578~~70835236 0.00000000 0.00000000 B-4 1,313,000.00 5.~~93485~~93542% ~~954~~951.~~18200305~~91670982 4.~~71910891~~70834730 0.00000000 0.00000000 B-5 985,000.00 5.~~93485~~93542% ~~954~~951.~~18200000~~91671066 4.~~71910660~~70835533 0.00000000 0.00000000 B-6 1,316,134.00 5.~~93485~~93542% ~~954~~951.~~18368494~~91837609 4.~~71911675~~70835796 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 I-A-1 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 I-A-2 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 I-A-3 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 I-A-4 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 I-A-5 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 I-A-6 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 I-A-7 0.~~00416785~~02658152 0.00000000 3.~~31545747~~19765038 0.00000000 ~~644~~585.~~84639646~~77097975 I-A-8 0.~~00042350~~00270001 0.00000000 0.~~33677734~~32481081 0.00000000 6559.~~50214776~~50139075 I-X 0.~~00005856~~00037860 0.00000000 0.~~04658876~~04554372 0.00000000 9185.~~53881217~~67942731 I-P 0.00000000 0.00000000 0.00000000 0.00000000 ~~607~~606.~~41643038~~45733467 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 II-A 0.~~00035462~~00210081 0.00000000 0.~~28209643~~25272062 0.00000000 5553.~~59740620~~55936491 II-X 0.~~00005464~~00033333 0.00000000 0.~~04346932~~04009600 0.00000000 7977.~~54566147~~41401432 II-P 0.00000000 0.00000000 0.00000000 0.00000000 ~~307~~303.~~12392427~~67316887 III-A 0.~~00200657~~01240586 0.00000000 1.~~59627266~~49236405 0.00000000 ~~257~~239.~~96055069~~04627289 III-X 0.~~00004409~~00028140 0.00000000 0.~~03500164~~03384225 0.00000000 ~~280~~262.~~41715389~~05371653 III-P 0.00000000 0.00000000 0.00000000 0.00000000 ~~371~~354.~~27959944~~76873364 B-1 0.~~00592513~~03881723 0.00000000 4.~~71318074~~66953433 0.00000000 ~~951~~949.~~91670876~~61918706 B-2 0.~~00592470~~03881783 0.00000000 4.~~71318106~~66953488 0.00000000 ~~951~~949.~~91670819~~61918605 B-3 0.~~00592466~~03881659 0.00000000 4.~~71318113~~66953196 0.00000000 ~~951~~949.~~91670852~~61918569 B-4 0.~~00592536~~03881950 0.00000000 4.~~71318355~~66953542 0.00000000 ~~951~~949.~~91670982~~61918507 B-5 0.~~00592893~~03881218 0.00000000 4.~~71317766~~66953299 0.00000000 ~~951~~949.~~91671066~~61918782 B-6 0.~~00592645~~03881824 0.00000000 4.~~71319030~~66953973 0.00000000 ~~951~~949.~~91837609~~62085927 (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 34,~~072~~092,~~402~~666.2039 Liquidations, Insurance Proceeds, Reserve Funds 0.00 Proceeds from Repurchased Loans 0.00 Other Amounts (Servicer Advances) 3332,~~812~~579.5520 Realized Loss (Gains, Subsequent Expenses & Recoveries) 0.00 Prepayment Penalties 0.00 Total Deposits 34,~~106~~125,~~214~~245.7559 Withdrawals Reimbursement for Servicer Advances 33,~~713~~812.9155 Payment of Service Fee 2221,~~669~~705.9157 Payment of Interest and Principal 34,~~049~~069,~~830~~727.9347 Total Withdrawals (Pool Distribution Amount) 34,~~106~~125,~~214~~245.7559 Ending Balance 0.00

PREPAYMENT/CURTAILMENT INTEREST SHORTFALL Total Prepayment/Curtailment Interest Shortfall ~~474~~2,994.0077 Servicing Fee Support 0.00 Non-Supported Prepayment/Curtailment Interest Shortfall ~~474~~2,994.0077

SERVICING FEES Gross Servicing Fee 2221,~~669~~705.9157 MBIA Insurance Fee 0.00 Supported Prepayment/Curtailment Interest Shortfall 0.00 Net Servicing Fee 2221,~~669~~705.9157

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 1 0 0 1 77,~~726~~646.5128 0.00 0.00 77,~~726~~646.5128 30 Days 95 0 0 0 95 2,~~481~~049,~~291~~614.0503 0.00 0.00 0.00 2,~~481~~049,~~291~~614.0503 60 Days 32 0 0 0 32 ~~841~~533,~~819~~834.2191 0.00 0.00 0.00 ~~841~~533,~~819~~834.2191 90 Days 0 1 0 0 0 1 398,558.24 0.00 ~~417,037.60~~ 0.00 0.00 ~~417~~398,~~037~~558.6024 120 Days 0 01 0 0 01 0.00 0417,037.0060 0.00 0.00 0417,037.0060 150 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 180+ Days 0 10 12 2 4 0.00 ~~387,206~~0.4500 ~~382~~769,~~686~~893.9641 483,701.30 1,253,594.71 Totals 128 32 12 2 1814 32,~~323~~982,~~110~~007.2618 ~~881~~494,~~970~~683.5688 ~~382~~769,~~686~~893.9641 483,701.30 54,~~071~~730,~~469~~285.0877 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.~~366300~~387597% 0.000000% 0.000000% 0.~~366300~~387597% 0.~~116667~~123438% 0.000000% 0.000000% 0.~~116667~~123438% 30 Days 31.~~296703~~937984% 0.000000% 0.000000% 0.000000% 31.~~296703~~937984% 3.~~724414~~258357% 0.000000% 0.000000% 0.000000% 3.~~724414~~258357% 60 Days 10.~~098901~~775194% 0.000000% 0.000000% 0.000000% 10.~~098901~~775194% 10.~~263569~~848660% 0.000000% 0.000000% 0.000000% 10.~~263569~~848660% 90 Days 0.~~000000~~387597% 0.~~366300~~000000% 0.000000% 0.000000% 0.~~366300~~387597% 0.~~000000~~633605% 0.~~625973~~000000% 0.000000% 0.000000% 0.~~625973~~633605% 120 Days 0.000000% 0.~~000000~~387597% 0.000000% 0.000000% 0.~~000000~~387597% 0.000000% 0.~~000000~~662982% 0.000000% 0.000000% 0.~~000000~~662982% 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.~~366300~~000000% 0.~~366300~~775194% 0.~~732601~~775194% 1.~~465201~~550388% 0.000000% 0.~~581196~~000000% 01.~~574413~~223932% 0.~~726035~~768960% 1.~~881644~~992892% Totals 43.~~395604~~100775% 10.~~098901~~775194% 0.~~366300~~775194% 0.~~732601~~775194% 65.~~593407~~426357% 4.~~987984~~740622% 10.~~323837~~786420% 01.~~574413~~223932% 0.~~726035~~768960% 7.~~612268~~519934%

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 54 0 0 0 54 1,~~970~~679,~~738~~315.3697 0.00 0.00 0.00 1,~~970~~679,~~738~~315.3697 60 Days 21 0 0 0 21 ~~767~~417,~~210~~144.8503 0.00 0.00 0.00 ~~767~~417,~~210~~144.8503 90 Days 0 1 0 0 0 1 398,558.24 0.00 ~~417,037.60~~ 0.00 0.00 ~~417~~398,~~037~~558.6024 120 Days 0 01 0 0 01 0.00 0417,037.0060 0.00 0.00 0417,037.0060 150 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 180 Days 0 0 1 1 2 0.00 0.00 382,686.96 428,425.09 811,112.05 Totals 76 1 1 1 109 2,~~737~~495,~~949~~018.2124 417,037.60 382,686.96 428,425.09 3,~~966~~723,~~098~~167.8689 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 54.~~319149~~545455% 0.000000% 0.000000% 0.000000% 54.~~319149~~545455% 54.~~108007~~650240% 0.000000% 0.000000% 0.000000% 54.~~108007~~650240% 60 Days 21.~~127660~~136364% 0.000000% 0.000000% 0.000000% 21.~~127660~~136364% 1.~~988553~~155125% 0.000000% 0.000000% 0.000000% 1.~~988553~~155125% 90 Days 01.~~000000~~136364% 10.~~063830~~000000% 0.000000% 0.000000% 1.~~063830~~136364% 01.~~000000~~103659% 10.~~080930~~000000% 0.000000% 0.000000% 1.~~080930~~103659% 120 Days 0.000000% 01.~~000000~~136364% 0.000000% 0.000000% 01.~~000000~~136364% 0.000000% 01.~~000000~~154830% 0.000000% 0.000000% 01.~~000000~~154830% 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% 1.~~063830~~136364% 1.~~063830~~136364% 2.~~127660~~272727% 0.000000% 0.000000% 01.~~991896~~059709% 1.~~110446~~186364% 2.~~102342~~246073% Totals 76.~~446809~~818182% 1.~~063830~~136364% 1.~~063830~~136364% 1.~~063830~~136364% 10.~~638298~~227273% 76.~~096560~~909024% 1.~~080930~~154830% 01.~~991896~~059709% 1.~~110446~~186364% 10.~~279832~~309927% 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 01 0 0 0 01 0370,298.0006 0.00 0.00 0.00 0370,298.0006 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 1 0 0 1 0.00 0.00 387,206.45 0.00 ~~0.00~~ 387,206.45 Totals 1 0 1 0 02 1370,298.06 0.00 387,206.45 0.00 ~~0.00 387~~757,~~206~~504.4551 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 02.~~000000~~272727% 0.000000% 0.000000% 0.000000% 02.~~000000~~272727% 02.~~000000~~496290% 0.000000% 0.000000% 0.000000% 02.~~000000~~496290% 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% 20.~~222222~~000000% 02.~~000000~~272727% 0.000000% 2.~~222222~~272727% 0.000000% 20.~~539714~~000000% 02.~~000000~~610274% 0.000000% 2.~~539714~~610274% Totals 2.272727% 0.000000% 2.~~222222~~272727% 0.000000% 04.~~000000~~545455% 2.~~222222~~496290% 0.000000% 2.~~539714~~610274% 0.000000% 05.~~000000~~106564% ~~2.539714%~~ DELINQUENT BANKRUPTCY FORECLOSURE REO Total Group III 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 1 0 0 1 77,~~726~~646.5128 0.00 0.00 77,~~726~~646.5128 30 Days 40 0 0 0 40 ~~510,552~~0.6900 0.00 0.00 0.00 ~~510,552~~0.6900 60 Days 1 0 0 0 1 74116,~~608~~690.3688 0.00 0.00 0.00 74116,~~608~~690.3688 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 1 1 0.00 0.00 0.00 55,276.21 55,276.21 Totals 51 1 0 1 73 ~~585~~116,~~161~~690.0588 77,~~726~~646.5128 0.00 55,276.21 ~~718~~249,~~163~~613.7737 0-29 Days 0.~~746269~~793651% 0.000000% 0.000000% 0.~~746269~~793651% 0.~~607481~~649385% 0.000000% 0.000000% 0.~~607481~~649385% 30 Days 20.~~985075~~000000% 0.000000% 0.000000% 0.000000% 20.~~985075~~000000% 30.~~990285~~000000% 0.000000% 0.000000% 0.000000% 30.~~990285~~000000% 60 Days 0.~~746269~~793651% 0.000000% 0.000000% 0.000000% 0.~~746269~~793651% 0.~~583110~~975929% 0.000000% 0.000000% 0.000000% 0.~~583110~~975929% 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.~~746269~~793651% 0.~~746269~~793651% 0.000000% 0.000000% 0.000000% 0.~~432018~~462296% 0.~~432018~~462296% Totals 30.~~731343~~793651% 0.~~746269~~793651% 0.000000% 0.~~746269~~793651% 52.~~223881~~380952% 40.~~573395~~975929% 0.~~607481~~649385% 0.000000% 0.~~432018~~462296% 52.~~612894~~087610%

OTHER INFORMATION Current Period Class A Insufficient Funds 0.00 Principal Balance of Contaminated Properties 0.00 Periodic Advance 3332,~~812~~579.5520

COLLATERAL STATEMENT Collateral Description Fixed 30 Year Weighted Average Gross Coupon 6.~~946708~~950869% Weighted Average Pass-Through Rate 6.~~553200~~558950% Weighted Average Maturity(Stepdown Calculation ) ~~270~~269 Beginning Scheduled Collateral Loan Count ~~285~~273 Number Of Loans Paid In Full 1215 Ending Scheduled Collateral Loan Count ~~273~~258 Beginning Scheduled Collateral Balance 6966,~~131~~459,~~945~~170.7844 Ending Scheduled Collateral Balance 6662,~~459~~749,~~170~~700.4418 Ending Actual Collateral Balance at 31-~~Jul~~Aug-2004 6662,~~622~~903,~~317~~292.6516 Monthly P &I Constant ~~551~~530,~~683~~738.6487 Special Servicing Fee 0.00 Prepayment Penalties 0.00 Realized Loss Amount 0.00 Cumulative Realized Loss 0.00 Class A Optimal Amount 23,~~893~~928,~~741~~648.1221 Class AP Deferred Amount 0.00 Ending Scheduled Balance for Premium Loans 6662,~~459~~749,~~170~~700.4418 Scheduled Principal ~~151~~145,~~484~~781.1336 Unscheduled Principal 23,~~521~~563,~~291~~688.2190

Miscellaneous Reporting Average Loss Severity 0.00 Class I-A-6 Policy Payment 0.00 Group 1 Subordinate Percentage 2930.~~819747~~410382% Group 2 Subordinate Percentage 2932.~~968628~~045634% Group 3 Subordinate Percentage 910.~~649736~~178923% Group 1 Subordinate Prep Percentage 0.000000% Group 2 Subordinate Prep Percentage 0.000000% Group 3 Subordinate Prep Percentage 0.000000% Group 1 Senior Prep Percentage 100.000000% Group 2 Senior Prep Percentage 100.000000% Group 3 Senior Prep Percentage 100.000000% Group 1 Senior Percentage 7069.~~180253~~589618% Group 2 Senior Percentage 7067.~~031372~~954366% Group 3 Senior Percentage 9089.~~350264~~821077%

Group Level Collateral Statement Group Group I Group II Group III Collateral Description Fixed 30 Year Fixed 30 Year Fixed 30 Year Weighted Average Coupon Rate 7.~~017693~~018854 6.~~539067~~533453 7.~~231378~~240323 Weighted Average Net Rate 6.~~591684~~594567 6.~~105021~~104068 6.~~981379~~990323 Weighted Average Maturity ~~319~~318 ~~144~~143 ~~327~~326 Beginning Loan Count 9694 4845 ~~141~~134 Loans Paid In Full 26 31 78 Ending Loan Count 9488 4544 ~~134~~126 Beginning Scheduled Balance 3938,~~337~~532,~~933~~639.2797 1615,~~284~~141,~~424~~469.1349 1312,~~509~~785,~~588~~060.3898 Ending scheduled Balance 3836,~~532~~066,~~639~~171.9779 1514,~~141~~735,~~469~~711.4972 1211,~~785~~947,~~060~~816.9867 Record Date 0708/31/2004 0708/31/2004 0708/31/2004 Principal And Interest Constant ~~273~~267,~~002~~854.6641 ~~183~~172,~~410~~495.3160 9590,~~270~~388.6786 Scheduled Principal 42,~~951~~475.3828 9490,~~672~~057.8620 13,~~859~~248.8988 Unscheduled Principal ~~762~~2,~~341~~423,992.9290 1315,~~048,281~~700.7857 ~~710~~823,~~667~~995.5143 Scheduled Interest ~~230~~225,~~051~~379.2813 8882,~~737~~438.4540 8177,~~410~~139.7898 Servicing Fees 13,~~965~~624.2708 5,~~890~~417.1693 2,~~814~~663.4856 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 ~~216~~211,~~086~~755.0105 8277,~~847~~020.2947 7874,~~596~~476.3042 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 6.~~591684~~594567 6.~~105020~~104068 6.~~981378~~990323

Group Level Collateral Statement Group Total Collateral Description Fixed 30 Year Weighted Average Coupon Rate 6.~~946708~~950869 Weighted Average Net Rate 6.~~553201~~558949 Weighted Average Maturity ~~270~~269 Beginning Loan Count ~~285~~273 Loans Paid In Full 1215 Ending Loan Count ~~273~~258 Beginning Scheduled Balance 6966,~~131~~459,~~945~~170.7844 Ending scheduled Balance 6662,~~459~~749,~~170~~700.4418 Record Date 0708/31/2004 Principal And Interest Constant ~~551~~530,~~683~~738.6487 Scheduled Principal ~~151~~145,~~484~~781.1336 Unscheduled Principal 23,~~521~~563,~~291~~688.2190 Scheduled Interest ~~400~~384,~~199~~957.51 Servicing Fees 2221,~~669~~705.9157 Master Servicing Fees 0.00 Trustee Fee 0.00 FRY Amount 0.00 Special Hazard Fee 0.00 Other Fee 0.00 Pool Insurance Fee 0.00 Spread Fee 1 0.00 Spread Fee 2 0.00 Spread Fee 3 0.00 Net Interest ~~377~~363,~~529~~251.6094 Realized Loss Amount 0.00 Cumulative Realized Loss 0.00 Percentage of Cumulative Losses 0.0000 Prepayment Penalties 0.00 Special Servicing Fee 0.00 Pass-Through Rate 6.~~553200~~558950

Filing Compare · STRUCTURED ASSET MORT INV MORT PASS THR CERT SER 2002-4