8-K 1 wfm0400i_nov.txt NOVEMBER 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): November 26, 2004 WELLS FARGO ASSET SECURITIES CORPORATION Mortgage Pass-Through Certificates, Series 2004-I Trust (Exact name of registrant as specified in its charter) New York (governing law of 333-110283-25 Pooling and Servicing Agreement) (Commission 54-2155094 (State or other File Number) 54-2155095 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 November 26, 2004 a distribution was made to holders of WELLS FARGO ASSET SECURITIES CORPORATION, Mortgage Pass-Through Certificates, Series 2004-I 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 2004-I Trust, relating to the November 26, 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. WELLS FARGO ASSET SECURITIES CORPORATION Mortgage Pass-Through Certificates, Series 2004-I 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: 12/3/2004 INDEX TO EXHIBITS Exhibit Number Description EX-99.1 Monthly report distributed to holders of Mortgage Pass-Through Certificates, Series 2004-I Trust, relating to the November 26, 2004 distribution. EX-99.1

Wells Fargo Asset Securities Corporation Mortgage Pass-Through Certificates Record Date: 810/31/2004 Distribution Date: 911/2726/2004 WFMBS Series: 2004-I 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 949812AA9 SEN 3.~~39671~~39340% 1,~~169~~115,~~879~~754,~~886~~575.0542 3,~~308~~153,~~613~~889.1690 3031,~~724~~963,~~047~~734.3666 I-A-2 949812AL5 SEN 3.~~39671~~39340% 2322,~~238~~163,~~423~~281.8189 6562,~~722~~648.0968 ~~610~~634,~~300~~925.6371 II-A-1 949812AB7 SEN 3.~~33554~~32812% ~~314~~303,~~769~~279,~~296~~097.5860 ~~874~~840,~~188~~781.6056 63,~~181~~803,~~332~~208.6418 II-A-R 949812AC5 SEN 3.~~33270~~32700% 0.00 0.00 0.00 II-A-LR 949812AD3 SEN 3.~~33270~~32700% 0.00 0.00 0.00 B-1 949812AE1 SUB 3.~~38429~~38015% 15,~~640~~589,~~620~~018.0173 4443,~~072~~893.5618 25,~~688~~931.9989 B-2 949812AF8 SUB 3.~~38429~~38015% 13,~~171~~128,~~573~~117.0661 3736,~~115~~964.2215 21,~~633~~838.7025 B-3 949812AG6 SUB 3.~~38429~~38015% 4,~~116~~103,~~739~~157.5769 11,~~600~~553.2605 6,~~761~~825.5549 B-4 949812AH4 SUB 3.~~38429~~38015% 4,~~115~~102,~~742~~164.7819 11,~~597~~550.4525 6,~~759~~823.9283 B-5 949812AJ0 SUB 3.~~38429~~38015% 2,~~470~~461,~~043~~894.7462 6,~~960~~931.1683 4,~~056~~095.9329 B-6 949812AK7 SUB 3.~~38429~~38015% 1,~~646~~641,~~677~~244.3566 4,~~640~~621.0517 2,~~704~~730.5916 Totals 1,~~549~~482,~~049~~222,~~002~~552.9541 4,~~364~~172,~~509~~833.5577 3736,~~583~~470,~~286~~113.3146

Certificateholder Distribution Summary (continued) Current Ending Cumulative Realized Certificate Total Realized Class Loss Balance Distribution Losses I-A-1 0.00 1,~~139~~083,~~155~~790,~~838~~840.6976 3435,~~032~~117,~~660~~624.5256 0.00 I-A-2 0.00 2221,~~628~~528,~~123~~356.1819 ~~676~~697,~~022~~574.7239 0.00 II-A-1 0.00 ~~308~~299,~~587~~475,~~963~~889.9342 74,~~055~~643,~~521~~989.2474 0.00 II-A-R 0.00 0.00 0.00 0.00 II-A-LR 0.00 0.00 0.00 0.00 B-1 0.00 15,~~614~~563,~~931~~086.0284 69,~~761~~825.5507 0.00 B-2 0.00 13,~~149~~106,~~939~~279.36 58,~~748~~802.9240 0.00 B-3 0.00 4,~~109~~096,~~978~~332.0221 18,~~361~~378.8154 0.00 B-4 0.00 4,~~108~~095,~~982~~340.8736 18,~~357~~374.3708 0.00 B-5 0.00 2,~~465~~457,~~986~~799.8132 11,~~017~~027.0912 0.00 B-6 0.00 1,~~643~~638,~~972~~514.7649 7,~~344~~351.6433 0.00 Totals 0.00 1,~~511~~445,~~465~~752,~~716~~438.6495 4140,~~947~~642,~~795~~947.8623 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 1,258,562,000.00 1,~~169~~115,~~879~~754,~~886~~575.0542 1,~~934~~864,~~429~~844.2885 2830,~~789~~098,~~618~~889.0881 0.00 0.00 I-A-2 25,000,000.00 2322,~~238~~163,~~423~~281.8189 3837,~~425~~043.3917 ~~571~~597,~~875~~882.2554 0.00 0.00 II-A-1 326,903,000.00 ~~314~~303,~~769~~279,~~296~~097.5860 ~~503~~495,~~306~~084.4796 53,~~678~~308,~~026~~123.1722 0.00 0.00 II-A-R 20.00 0.00 0.00 0.00 0.00 0.00 II-A-LR 20.00 0.00 0.00 0.00 0.00 0.00 B-1 15,691,000.00 15,~~640~~589,~~620~~018.0173 25,~~688~~931.9989 0.00 0.00 0.00 B-2 13,214,000.00 13,~~171~~128,~~573~~117.0661 21,~~633~~838.7025 0.00 0.00 0.00 B-3 4,130,000.00 4,~~116~~103,~~739~~157.5769 6,~~761~~825.5549 0.00 0.00 0.00 B-4 4,129,000.00 4,~~115~~102,~~742~~164.7819 6,~~759~~823.9283 0.00 0.00 0.00 B-5 2,478,000.00 2,~~470~~461,~~043~~894.7462 4,~~056~~095.9329 0.00 0.00 0.00 B-6 1,651,981.46 1,~~646~~641,~~677~~244.3566 2,~~704~~730.5916 0.00 0.00 0.00 Totals 1,651,759,021.46 1,~~549~~482,~~049~~222,~~002~~552.9541 2,~~543~~465,~~766~~217.8289 3534,~~039~~004,~~519~~895.5057 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 3031,~~724~~963,~~047~~734.3666 1,~~139~~083,~~155~~790,~~838~~840.6976 0.~~90512493~~86113425 3031,~~724~~963,~~047~~734.3666 I-A-2 ~~610~~634,~~300~~925.6371 2221,~~628~~528,~~123~~356.1819 0.~~90512493~~86113425 ~~610~~634,~~300~~925.6371 II-A-1 63,~~181~~803,~~332~~208.6418 ~~308~~299,~~587~~475,~~963~~889.9342 0.~~94397410~~91610016 63,~~181~~803,~~332~~208.6418 II-A-R 0.00 0.00 0.00000000 0.00 II-A-LR 0.00 0.00 0.00000000 0.00 B-1 25,~~688~~931.9989 15,~~614~~563,~~931~~086.0284 0.~~99515206~~99184799 25,~~688~~931.9989 B-2 21,~~633~~838.7025 13,~~149~~106,~~939~~279.36 0.~~99515206~~99184799 21,~~633~~838.7025 B-3 6,~~761~~825.5549 4,~~109~~096,~~978~~332.0221 0.~~99515206~~99184799 6,~~761~~825.5549 B-4 6,~~759~~823.9283 4,~~108~~095,~~982~~340.8736 0.~~99515206~~99184799 6,~~759~~823.9283 B-5 4,~~056~~095.9329 2,~~465~~457,~~986~~799.8132 0.~~99515206~~99184799 4,~~056~~095.9329 B-6 2,~~704~~730.5916 1,~~643~~638,~~972~~514.7649 0.~~99515206~~99184799 2,~~704~~730.5916 Totals 3736,~~583~~470,~~286~~113.3146 1,~~511~~445,~~465~~752,~~716~~438.6495 0.~~91506430~~87528049 3736,~~583~~470,~~286~~113.3146

Principal Distribution Factors Statement Original Beginning Scheduled Unscheduled Face Certificate Principal Principal Class (2) Amount Balance Distribution Distribution Accretion I-A-1 1,258,562,000.00 ~~929~~886.~~53695253~~53127571 1.~~53701548~~48172665 2223.~~87500980~~91530160 0.00000000 I-A-2 25,000,000.00 ~~929~~886.~~53695240~~53127560 1.~~53701560~~48172680 2223.~~87501000~~91530160 0.00000000 II-A-1 326,903,000.00 ~~962~~927.~~88286305~~73421351 1.~~53962022~~51447053 1710.~~36914672~~11958661 0.00000000 II-A-R 20.00 0.00000000 0.00000000 0.00000000 0.00000000 II-A-LR 20.00 0.00000000 0.00000000 0.00000000 0.00000000 B-1 15,691,000.00 ~~996~~993.~~78924288~~50065197 1.~~63717991~~65266012 0.00000000 0.00000000 B-2 13,214,000.00 ~~996~~993.~~78924323~~50065158 1.~~63718026~~65266006 0.00000000 0.00000000 B-3 4,130,000.00 ~~996~~993.~~78924213~~50065133 1.~~63717918~~65266102 0.00000000 0.00000000 B-4 4,129,000.00 ~~996~~993.~~78924195~~50065149 1.~~63718092~~65265924 0.00000000 0.00000000 B-5 2,478,000.00 ~~996~~993.~~78924132~~50065375 1.~~63717918~~65265940 0.00000000 0.00000000 B-6 1,651,981.46 ~~996~~993.~~78924363~~50065345 1.~~63717939~~65265777 0.00000000 0.00000000 (2) 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 2425.~~41202528~~39702824 ~~905~~861.~~12492725~~13424747 0.~~90512493~~86113425 2425.~~41202528~~39702824 I-A-2 0.00000000 2425.~~41202520~~39702840 ~~905~~861.~~12492720~~13424760 0.~~90512493~~86113425 2425.~~41202520~~39702840 II-A-1 0.00000000 1811.~~90876694~~63405714 ~~943~~916.~~97409608~~10015638 0.~~94397410~~91610016 1811.~~90876694~~63405714 II-A-R 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 II-A-LR 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 B-1 0.00000000 1.~~63717991~~65266012 ~~995~~991.~~15206297~~84799184 0.~~99515206~~99184799 1.~~63717991~~65266012 B-2 0.00000000 1.~~63718026~~65266006 ~~995~~991.~~15206296~~84799152 0.~~99515206~~99184799 1.~~63718026~~65266006 B-3 0.00000000 1.~~63717918~~65266102 ~~995~~991.~~15206295~~84799274 0.~~99515206~~99184799 1.~~63717918~~65266102 B-4 0.00000000 1.~~63718092~~65265924 ~~995~~991.~~15206345~~84799225 0.~~99515206~~99184799 1.~~63718092~~65265924 B-5 0.00000000 1.~~63717918~~65265940 ~~995~~991.~~15206215~~84799031 0.~~99515206~~99184799 1.~~63717918~~65265940 B-6 0.00000000 1.~~63717939~~65265777 ~~995~~991.~~15206424~~84798963 0.~~99515206~~99184799 1.~~63717939~~65265777 (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 1,258,562,000.00 3.~~39671~~39340% 1,~~169~~115,~~879~~754,~~886~~575.0542 3,~~311~~155,~~447~~170.9260 0.00 0.00 I-A-2 25,000,000.00 3.~~39671~~39340% 2322,~~238~~163,~~423~~281.8189 6562,~~778~~674.4012 0.00 0.00 II-A-1 326,903,000.00 3.~~33554~~32812% ~~314~~303,~~769~~279,~~296~~097.5860 ~~874~~841,~~937~~122.5998 0.00 0.00 II-A-R 20.00 3.~~33270~~32700% 0.00 0.00 0.00 0.00 II-A-LR 20.00 3.~~33270~~32700% 0.00 0.00 0.00 0.00 B-1 15,691,000.00 3.~~38429~~38015% 15,~~640~~589,~~620~~018.0173 4443,~~110~~911.3201 0.00 0.00 B-2 13,214,000.00 3.~~38429~~38015% 13,~~171~~128,~~573~~117.0661 3736,~~147~~979.0216 0.00 0.00 B-3 4,130,000.00 3.~~38429~~38015% 4,~~116~~103,~~739~~157.5769 11,~~610~~557.2074 0.00 0.00 B-4 4,129,000.00 3.~~38429~~38015% 4,~~115~~102,~~742~~164.7819 11,~~607~~554.3994 0.00 0.00 B-5 2,478,000.00 3.~~38429~~38015% 2,~~470~~461,~~043~~894.7462 6,~~966~~934.1264 0.00 0.00 B-6 1,651,981.46 3.~~38429~~38015% 1,~~646~~641,~~677~~244.3566 4,~~644~~623.0304 0.00 0.00 Totals 1,651,759,021.46 4,~~368~~174,~~248~~528.9923 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 21,~~834~~280.7670 0.00 3,~~308~~153,~~613~~889.1690 0.00 1,~~139~~083,~~155~~790,~~838~~840.6976 I-A-2 5625.3144 0.00 6562,~~722~~648.0968 0.00 2221,~~628~~528,~~123~~356.1819 II-A-1 ~~748~~341.9942 0.00 ~~874~~840,~~188~~781.6056 0.00 ~~308~~299,~~587~~475,~~963~~889.9342 II-A-R 0.00 0.00 0.00 0.00 0.00 II-A-LR 0.00 0.00 0.00 0.00 0.00 B-1 3717.7682 0.00 4443,~~072~~893.5618 0.00 15,~~614~~563,~~931~~086.0284 B-2 3115.8001 0.00 3736,~~115~~964.2215 0.00 13,~~149~~106,~~939~~279.36 B-3 94.9469 0.00 11,~~600~~553.2605 0.00 4,~~109~~096,~~978~~332.0221 B-4 94.9469 0.00 11,~~597~~550.4525 0.00 4,~~108~~095,~~982~~340.8736 B-5 52.9681 0.00 6,~~960~~931.1683 0.00 2,~~465~~457,~~986~~799.8132 B-6 31.9888 0.00 4,~~640~~621.0517 0.00 1,~~643~~638,~~972~~514.7649 Totals 31,~~739~~694.4446 0.00 4,~~364~~172,~~509~~833.5577 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 1,258,562,000.00 3.~~39671~~39340% ~~929~~886.~~53695253~~53127571 2.~~63113611~~50696477 0.00000000 0.00000000 I-A-2 25,000,000.00 3.~~39671~~39340% ~~929~~886.~~53695240~~53127560 2.~~63113600~~50696480 0.00000000 0.00000000 II-A-1 326,903,000.00 3.~~33554~~32812% ~~962~~927.~~88286305~~73421351 2.~~67644405~~57300478 0.00000000 0.00000000 II-A-R 20.00 3.~~33270~~32700% 0.00000000 0.00000000 0.00000000 0.00000000 II-A-LR 20.00 3.~~33270~~32700% 0.00000000 0.00000000 0.00000000 0.00000000 B-1 15,691,000.00 3.~~38429~~38015% ~~996~~993.~~78924288~~50065197 2.~~81118603~~79848384 0.00000000 0.00000000 B-2 13,214,000.00 3.~~38429~~38015% ~~996~~993.~~78924323~~50065158 2.~~81118662~~79848343 0.00000000 0.00000000 B-3 4,130,000.00 3.~~38429~~38015% ~~996~~993.~~78924213~~50065133 2.~~81118644~~79848426 0.00000000 0.00000000 B-4 4,129,000.00 3.~~38429~~38015% ~~996~~993.~~78924195~~50065149 2.~~81118673~~79848389 0.00000000 0.00000000 B-5 2,478,000.00 3.~~38429~~38015% ~~996~~993.~~78924132~~50065375 2.~~81118644~~79848265 0.00000000 0.00000000 B-6 1,651,981.46 3.~~38429~~38015% ~~996~~993.~~78924363~~50065345 2.~~81118772~~79848177 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.~~00225238~~00101759 0.00000000 2.~~62888373~~50594718 0.00000000 ~~905~~861.~~12492725~~13424747 I-A-2 0.~~00225240~~00101760 0.00000000 2.~~62888360~~50594720 0.00000000 ~~905~~861.~~12492720~~13424760 II-A-1 0.~~00229117~~00104441 0.00000000 2.~~67415288~~57196037 0.00000000 ~~943~~916.~~97409608~~10015638 II-A-R 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 II-A-LR 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 B-1 0.~~00240648~~00113568 0.00000000 2.~~80877956~~79734752 0.00000000 ~~995~~991.~~15206297~~84799184 B-2 0.~~00240654~~00113592 0.00000000 2.~~80878008~~79734751 0.00000000 ~~995~~991.~~15206296~~84799152 B-3 0.~~00240678~~00113559 0.00000000 2.~~80877966~~79734867 0.00000000 ~~995~~991.~~15206295~~84799274 B-4 0.~~00240736~~00113587 0.00000000 2.~~80877937~~79734803 0.00000000 ~~995~~991.~~15206345~~84799225 B-5 0.~~00240517~~00113398 0.00000000 2.~~80878128~~79734867 0.00000000 ~~995~~991.~~15206215~~84799031 B-6 0.~~00240923~~00113803 0.00000000 2.~~80877850~~79734980 0.00000000 ~~995~~991.~~15206424~~84798963 (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 ~~310,428~~0.7600 Deposits Payments of Interest and Principal 4241,~~263~~751,~~210~~638.4256 Liquidations, Insurance Proceeds, Reserve Funds 0.00 Proceeds from Repurchased Loans 0.00 Other Amounts (Servicer Advances) 0.00 Realized Loss (Gains, Subsequent Expenses & Recoveries) 0.00 Prepayment Penalties 0.00 Total Deposits 4241,~~263~~751,~~210~~638.4256 Withdrawals Reimbursement for Servicer Advances 0525,845.0086 Payment of Service Fee ~~319~~305,~~475~~171.9148 Payment of Interest and Principal 4140,~~947~~642,~~795~~947.8723 Total Withdrawals (Pool Distribution Amount) 4241,~~267~~473,~~271~~964.7857 Ending Balance ~~306~~277,~~367~~673.4099

PREPAYMENT/CURTAILMENT INTEREST SHORTFALL Total Prepayment/Curtailment Interest Shortfall 1917,~~614~~538.6653 Servicing Fee Support 15,~~875~~844.2207 Non-Supported Prepayment/Curtailment Interest Shortfall 31,~~739~~694.4446

SERVICING FEES Gross Servicing Fee ~~322~~308,~~453~~668.0179 Master Servicing Fee 12,~~898~~346.1275 Supported Prepayment/Curtailment Interest Shortfall 15,~~875~~844.2207 Net Servicing Fee ~~319~~305,~~475~~171.9148

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 62 0 0 0 6 2 509,~~764,801~~470.1890 0.00 0.00 0.00 2509,~~764,801~~470.1890 60 Days 01 0 0 0 01 0453,373.0082 0.00 0.00 0.00 0453,373.0082 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 63 0 0 0 63 2962,~~764,801~~844.1872 0.00 0.00 0.00 2962,~~764,801~~844.1872 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.~~192616~~066912% 0.000000% 0.000000% 0.000000% 0.~~192616~~066912% 0.~~181502~~034828% 0.000000% 0.000000% 0.000000% 0.~~181502~~034828% 60 Days 0.~~000000~~033456% 0.000000% 0.000000% 0.000000% 0.~~000000~~033456% 0.~~000000~~030993% 0.000000% 0.000000% 0.000000% 0.~~000000~~030993% 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.~~192616~~100368% 0.000000% 0.000000% 0.000000% 0.~~192616~~100368% 0.~~181502~~065820% 0.000000% 0.000000% 0.000000% 0.~~181502~~065820%

Delinquency Status By Groups DELINQUENT BANKRUPTCY FORECLOSURE REO Total 1 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 41 0 0 0 4 1 177,~~787,538~~911.1394 0.00 0.00 0.00 1177,~~787,538~~911.1394 60 Days 01 0 0 0 01 0453,373.0082 0.00 0.00 0.00 0453,373.0082 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 42 0 0 0 42 1631,~~787,538~~285.1376 0.00 0.00 0.00 1631,~~787,538~~285.1376 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 0.~~161421~~042248% 0.000000% 0.000000% 0.000000% 0.~~161421~~042248% 0.~~149280~~015617% 0.000000% 0.000000% 0.000000% 0.~~149280~~015617% 60 Days 0.~~000000~~042248% 0.000000% 0.000000% 0.000000% 0.~~000000~~042248% 0.~~000000~~039797% 0.000000% 0.000000% 0.000000% 0.~~000000~~039797% 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.~~161421~~084495% 0.000000% 0.000000% 0.000000% 0.~~161421~~084495% 0.~~149280~~055414% 0.000000% 0.000000% 0.000000% 0.~~149280~~055414% DELINQUENT BANKRUPTCY FORECLOSURE REO Total 2 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 21 0 0 0 21 ~~977~~331,~~263~~558.0596 0.00 0.00 0.00 ~~977~~331,~~263~~558.0596 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 21 0 0 0 21 ~~977~~331,~~263~~558.0596 0.00 0.00 0.00 ~~977~~331,~~263~~558.0596 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 0.~~313972~~160772% 0.000000% 0.000000% 0.000000% 0.~~313972~~160772% 0.~~308359~~107342% 0.000000% 0.000000% 0.000000% 0.~~308359~~107342% 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.~~313972~~160772% 0.000000% 0.000000% 0.000000% 0.~~313972~~160772% 0.~~308359~~107342% 0.000000% 0.000000% 0.000000% 0.~~308359~~107342%

OTHER INFORMATION Current Period Class A Insufficient Funds 0.00 Principal Balance of Contaminated Properties 0.00 Periodic Advance ~~190~~157,~~672~~475.5083

COLLATERAL STATEMENT Collateral Description 10/1 CMT ARM Weighted Average Gross Coupon 3.~~643834~~639702% Weighted Average Net Coupon 3.~~383834~~379702% Weighted Average Pass-Through Rate 3.~~383834~~379702% Weighted Average Maturity(Stepdown Calculation ) ~~348~~346 Beginning Scheduled Collateral Loan Count 3,~~186~~061 Number Of Loans Paid In Full 7172 Ending Scheduled Collateral Loan Count 32,~~115~~989 Beginning Scheduled Collateral Balance 1,~~549~~482,~~049~~222,~~002~~552.9640 Ending Scheduled Collateral Balance 1,~~511~~445,~~465~~752,~~716~~438.6494 Ending Actual Collateral Balance at 31-~~Aug~~Oct-2004 1,~~523~~462,~~292~~837,~~775~~486.5609 Monthly P &I Constant 7,~~298~~013,~~526~~613.9603 Special Servicing Fee 0.00 Prepayment Penalties 0.00 Realized Loss Amount 0.00 Cumulative Realized Loss 0.00 Ending scheduled Balance For discounted Loans 1,~~511~~445,~~465~~752,~~716~~438.6494 Scheduled Principal 2,~~543~~465,~~766~~217.8289 Unscheduled Principal 3534,~~039~~004,~~519~~895.5057 Unpaid Principal Balance Of Outstanding Mortgage Loans With Original LTV: Less Than Or Equal To 80% 1,~~484~~420,~~342~~989,~~825~~436.5409 Greater Than 80%, less than or equal to 85% 54,~~882~~748,~~069~~801.2906 Greater than 85%, less than or equal to 95% 2119,~~122~~905,~~259~~545.3565 Greater than 95% 0.00

Group Level Collateral Statement Group 1 2 Total Collateral Description 103/1 CMT ARM 103/1 CMT ARM 10/1 CMT ARM Weighted Average Coupon Rate 3.~~656560~~653442 3.~~595598~~588076 3.~~643834~~639702 Weighted Average Net Rate 3.~~396560~~393442 3.~~335598~~328076 3.~~383834~~379702 Weighted Average Maturity ~~346~~344 ~~354~~352 ~~348~~346 Beginning Loan Count 2,~~538~~432 ~~648~~629 3,~~186~~061 Loans Paid In Full 6065 117 7172 Ending Loan Count 2,~~478~~367 ~~637~~622 32,~~115~~989 Beginning Scheduled Balance 1,~~225~~170,~~924~~615,~~656~~210.9140 ~~323~~311,~~124~~607,~~346~~342.0500 1,~~549~~482,~~049~~222,~~002~~552.9640 Ending scheduled Balance 1,~~194~~137,~~536~~961,~~062~~900.7048 ~~316~~307,~~929~~790,~~653~~538.9446 1,~~511~~445,~~465~~752,~~716~~438.6494 Record Date 0810/31/2004 0810/31/2004 0810/31/2004 Principal And Interest Constant 5,~~805~~568,~~166~~862.6696 1,~~493~~444,~~360~~750.3007 7,~~298~~013,~~526~~613.9603 Scheduled Principal 21,~~027~~956,~~100~~537.8857 ~~516~~508,~~665~~680.9432 2,~~543~~465,~~766~~217.8289 Unscheduled Principal 2930,~~361~~696,~~493~~772.3335 53,~~678~~308,~~026~~123.1722 3534,~~039~~004,~~519~~895.5057 Scheduled Interest 3,~~731~~562,~~695~~598.1603 ~~968~~931,~~165~~251.5130 4,~~699~~493,~~860~~849.6733 Servicing Fees ~~255~~243,~~136~~783.9964 6764,~~316~~885.0215 ~~322~~308,~~453~~668.0179 Master Servicing Fees 109,~~205~~751.4835 2,~~692~~595.6441 12,~~898~~346.1275 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 3,~~466~~309,~~352~~063.6904 ~~898~~863,~~156~~770.8575 4,~~364~~172,~~509~~833.5478 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

Filing Compare · Wells Fargo Mortgage Backed Securities Series 2004-I