8-K 1 wfm05001_10509.txt 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 26, 2005 WELLS FARGO ASSET SECURITIES CORPORATION Mortgage Pass-Through Certificates, Series 2005-1 Trust (Exact name of registrant as specified in its charter) New York (governing law of 333-122307-02 Pooling and Servicing Agreement) (Commission 54-2169409 (State or other File Number) 54-2169410 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 26, 2005 a distribution was made to holders of WELLS FARGO ASSET SECURITIES CORPORATION, Mortgage Pass-Through Certificates, Series 2005-1 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 2005-1 Trust, relating to the September 26, 2005 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 2005-1 Trust (Registrant) By: Wells Fargo Bank, N.A. as Master Servicer By: /s/ Beth Belfield as Officer By: Beth Belfield as Officer Date: 9/27/2005 INDEX TO EXHIBITS Exhibit Number Description EX-99.1 Monthly report distributed to holders of Mortgage Pass-Through Certificates, Series 2005-1 Trust, relating to the September 26, 2005 distribution. EX-99.1

Wells Fargo Asset Securities Corporation Mortgage Pass-Through Certificates Record Date: 78/2931/2005 Distribution Date: 89/2526/2005 Wells Fargo Asset Securities Corporation Mortgage Pass-Through Certificates Series 2005-1 Contact: Customer Service - CTSLink Wells Fargo Bank, N.A. Securities Administration Services 7485 New Horizon Way Frederick, MD 21703 www.ctslink.com Telephone: (301) 815-6600 Fax: (301) 815-6660 Certificateholder Distribution Summary Certificate Certificate Beginning Class Pass-Through Certificate Interest Class CUSIP Description Rate Balance Distribution A-PO 94982EAG9 PO 0.00000% 1,~~382~~371,~~193~~433.5228 0.00 I-A-1 94982EAA2 SEN 4.75000% ~~196~~195,~~820~~271,~~199~~906.0310 ~~778~~772,~~216~~546.6356 I-A-R 94982EAB0 SEN 4.75000% 0.00 0.00 I-A-LR 94982EAC8 SEN 4.75000% 0.00 10.8200 II-A-1 94982EAD6 SEN 5.00000% ~~156~~153,~~292~~336,~~339~~583.4946 ~~650~~638,~~496~~567.4589 III-A-1 94982EAE4 SEN 5.25000% 6159,~~033~~834,~~650~~310.8429 ~~266~~261,~~726~~638.3304 A-WIO 94982EAF1 IO 0.~~12343~~12352% 0.00 16,~~778~~564.9479 B-1 94982EAH7 SUB 4.~~92055~~92056% 3,~~977~~962,~~999~~318.2932 16,~~293~~238.4380 B-2 94982EAJ3 SUB 4.~~92055~~92056% ~~884~~881,~~871~~383.8576 3,~~624~~612.3318 B-3 94982EAK0 SUB 4.~~92055~~92056% ~~663~~660,~~163~~549.3824 2,~~716~~707.2413 B-4 94982EAL8 SUB 4.~~92055~~92056% ~~441~~439,~~454~~714.9273 1,~~808~~802.1509 B-5 94982EAM6 SUB 4.~~92055~~92056% ~~442~~440,~~435~~691.9388 1,~~812~~806.1709 B-6 94982EAN4 SUB 4.~~92055~~92056% ~~221~~220,~~345~~473.5301 ~~906~~903.6157 Totals ~~422~~416,~~159~~419,~~653~~364.7807 1,~~739~~716,~~381~~387.1014

Certificateholder Distribution Summary (continued) Current Ending Cumulative Principal Realized Certificate Total Realized Class Distribution Loss Balance Distribution Losses A-PO 108,~~760~~606.2374 0.00 1,~~371~~362,~~433~~826.2855 108,~~760~~606.2374 0.00 I-A-1 13,~~548~~213,~~292~~671.9370 0.00 ~~195~~192,~~271~~058,~~906~~234.1040 23,~~326~~986,~~509~~218.5626 0.00 I-A-R 0.00 0.00 0.00 0.00 0.00 I-A-LR 0.00 0.00 0.00 10.8200 0.00 II-A-1 21,~~955~~620,~~756~~080.0368 0.00 ~~153~~151,~~336~~716,~~583~~502.4678 32,~~606~~258,~~252~~648.4857 0.00 III-A-1 1734,~~199,340~~798.5522 0.00 59,~~834~~099,~~310~~512.2907 1996,~~466,066~~436.8826 0.00 A-WIO 0.00 0.00 0.00 16,~~778~~564.9479 0.00 B-1 15,~~680~~761.9704 0.00 3,~~962~~946,~~318~~557.3228 31,~~974~~999.4084 0.00 B-2 3,~~488~~505.1091 0.00 ~~881~~877,~~383~~877.7685 7,~~112~~118.4309 0.00 B-3 2,~~614~~627.1449 0.00 ~~660~~657,~~549~~921.2476 5,~~330~~334.3862 0.00 B-4 1,~~740~~749.1807 0.00 ~~439~~437,~~714~~965.7367 3,~~548~~551.3316 0.00 B-5 1,~~744~~752.0595 0.00 ~~440~~438,~~691~~938.8892 3,~~556~~559.2204 0.00 B-6 ~~872~~876.5393 0.0005 ~~220~~219,~~473~~596.0103 1,~~779~~780.1450 0.0005 Totals 5,~~740~~603,~~289~~430.7173 0.0005 ~~416~~410,~~419~~815,~~364~~933.0731 7,~~479~~319,~~670~~817.8187 0.0005 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-PO 1,432,298.80 1,~~382~~371,~~193~~433.5228 5,~~706~~725.0520 52,~~054~~881.1854 0.00 0.00 I-A-1 205,835,000.00 ~~196~~195,~~820~~271,~~199~~906.0310 ~~791~~785,~~071~~425.8289 ~~757~~2,~~221~~428,245.1180 0.00 0.00 I-A-R 50.00 0.00 0.00 0.00 0.00 0.00 I-A-LR 50.00 0.00 0.00 0.00 0.00 0.00 II-A-1 170,816,000.00 ~~156~~153,~~292~~336,~~339~~583.4946 ~~607~~605,~~533~~885.2319 21,~~348~~014,~~222~~195.8049 0.00 0.00 III-A-1 65,772,000.00 6159,~~033~~834,~~650~~310.8429 ~~234~~233,~~441~~745.8101 ~~964~~501,~~898~~053.7422 0.00 0.00 A-WIO 0.00 0.00 0.00 0.00 0.00 0.00 B-1 4,055,000.00 3,~~977~~962,~~999~~318.2932 15,~~680~~761.9704 0.00 0.00 0.00 B-2 902,000.00 ~~884~~881,~~871~~383.8576 3,~~488~~505.1091 0.00 0.00 0.00 B-3 676,000.00 ~~663~~660,~~163~~549.3824 2,~~614~~627.1449 0.00 0.00 0.00 B-4 450,000.00 ~~441~~439,~~454~~714.9273 1,~~740~~749.1807 0.00 0.00 0.00 B-5 451,000.00 ~~442~~440,~~435~~691.9388 1,~~744~~752.0595 0.00 0.00 0.00 B-6 225,630.04 ~~221~~220,~~345~~473.5301 ~~872~~876.5393 0.00 0.00 0.0005 Totals 450,615,028.84 ~~422~~416,~~159~~419,~~653~~364.7807 1,~~664~~657,~~892~~054.8868 43,~~075~~946,~~396~~376.8305 0.00 0.0005 (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-PO 108,~~760~~606.2374 1,~~371~~362,~~433~~826.2855 0.~~95750501~~95149598 108,~~760~~606.2374 I-A-1 13,~~548~~213,~~292~~671.9370 ~~195~~192,~~271~~058,~~906~~234.1040 0.~~94868174~~93306889 13,~~548~~213,~~292~~671.9370 I-A-R 0.00 0.00 0.00000000 0.00 I-A-LR 0.00 0.00 0.00000000 0.00 II-A-1 21,~~955~~620,~~756~~080.0368 ~~153~~151,~~336~~716,~~583~~502.4678 0.~~89767108~~88818672 21,~~955~~620,~~756~~080.0368 III-A-1 1734,~~199,340~~798.5522 59,~~834~~099,~~310~~512.2907 0.~~90972314~~89855124 1734,~~199,340~~798.5522 A-WIO 0.00 0.00 0.00000000 0.00 B-1 15,~~680~~761.9704 3,~~962~~946,~~318~~557.3228 0.~~97714385~~97325704 15,~~680~~761.9704 B-2 3,~~488~~505.1091 ~~881~~877,~~383~~877.7685 0.~~97714386~~97325704 3,~~488~~505.1091 B-3 2,~~614~~627.1449 ~~660~~657,~~549~~921.2476 0.~~97714385~~97325704 2,~~614~~627.1449 B-4 1,~~740~~749.1807 ~~439~~437,~~714~~965.7367 0.~~97714384~~97325704 1,~~740~~749.1807 B-5 1,~~744~~752.0595 ~~440~~438,~~691~~938.8892 0.~~97714386~~97325703 1,~~744~~752.0595 B-6 ~~872~~876.5398 ~~220~~219,~~473~~596.0103 0.~~97714387~~97325706 ~~872~~876.5393 Totals 5,~~740~~603,~~289~~430.7178 ~~416~~410,~~419~~815,~~364~~933.0731 0.~~92411335~~91167828 5,~~740~~603,~~289~~430.7173

Principal Distribution Factors Statement Original Beginning Scheduled Unscheduled Face Certificate Principal Principal Class (2) Amount Balance Distribution Distribution Accretion A-PO 1,432,298.80 ~~965~~957.~~01757873~~50501222 3.~~98384052~~99721064 32.~~52871901~~01182882 0.00000000 I-A-1 205,835,000.00 ~~956~~948.~~20375072~~68174071 3.~~84323278~~81580339 311.~~67877722~~79705006 0.00000000 I-A-R 50.00 0.00000000 0.00000000 0.00000000 0.00000000 I-A-LR 50.00 0.00000000 0.00000000 0.00000000 0.00000000 II-A-1 170,816,000.00 ~~914~~897.~~97482373~~67108151 3.~~55665295~~54700491 135.~~74708927~~93735651 0.00000000 III-A-1 65,772,000.00 ~~927~~909.~~95795840~~72313887 3.~~56446223~~55386806 147.~~67035729~~61803229 0.00000000 A-WIO 0.00 0.00000000 0.00000000 0.00000000 0.00000000 B-1 4,055,000.00 ~~981~~977.~~01092232~~14385203 3.~~86707028~~88681628 0.00000000 0.00000000 B-2 902,000.00 ~~981~~977.~~01092018~~14385809 3.~~86707317~~88681818 0.00000000 0.00000000 B-3 676,000.00 ~~981~~977.~~01091716~~14384615 3.~~86707101~~88681953 0.00000000 0.00000000 B-4 450,000.00 ~~981~~977.~~01093333~~14384444 3.~~86706667~~88682222 0.00000000 0.00000000 B-5 451,000.00 ~~981~~977.~~01093126~~14385809 3.~~86707317~~88680710 0.00000000 0.00000000 B-6 225,630.04 ~~981~~977.~~01090617~~14386790 3.~~86708259~~88658354 0.00000000 0.00000000 (2) Per $1,000 Denomination.

Principal Distribution Factors Statement (continued) Total Ending Ending Total Realized Principal Certificate Certificate Principal Class Loss (3) Reduction Balance Percentage Distribution A-PO 0.00000000 76.~~51255953~~00903945 ~~957~~951.~~50501222~~49597975 0.~~95750501~~95149598 76.~~51255953~~00903945 I-A-1 0.00000000 715.~~52201001~~61285350 ~~948~~933.~~68174071~~06888722 0.~~94868174~~93306889 715.~~52201001~~61285350 I-A-R 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 I-A-LR 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 II-A-1 0.00000000 179.~~30374221~~48436142 ~~897~~888.~~67108151~~18672010 0.~~89767108~~88818672 179.~~30374221~~48436142 III-A-1 0.00000000 1811.~~23481953~~17190020 ~~909~~898.~~72313887~~55123867 0.~~90972314~~89855124 1811.~~23481953~~17190020 A-WIO 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 B-1 0.00000000 3.~~86707028~~88681628 ~~977~~973.~~14385203~~25703576 0.~~97714385~~97325704 3.~~86707028~~88681628 B-2 0.00000000 3.~~86707317~~88681818 ~~977~~973.~~14385809~~25703991 0.~~97714386~~97325704 3.~~86707317~~88681818 B-3 0.00000000 3.~~86707101~~88681953 ~~977~~973.~~14384615~~25704142 0.~~97714385~~97325704 3.~~86707101~~88681953 B-4 0.00000000 3.~~86706667~~88682222 ~~977~~973.~~14384444~~25704444 0.~~97714384~~97325704 3.~~86706667~~88682222 B-5 0.00000000 3.~~86707317~~88680710 ~~977~~973.~~14385809~~25702882 0.~~97714386~~97325703 3.~~86707317~~88680710 B-6 0.~~00000000~~00022160 3.~~86708259~~88680514 ~~977~~973.~~14386790~~25706276 0.~~97714387~~97325706 3.~~86708259~~88658354 (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-PO 1,432,298.80 0.00000% 1,~~382~~371,~~193~~433.5228 0.00 0.00 0.00 I-A-1 205,835,000.00 4.75000% ~~196~~195,~~820~~271,~~199~~906.0310 ~~779~~772,~~079~~951.9529 0.00 0.00 I-A-R 50.00 4.75000% 0.00 0.00 0.00 0.00 I-A-LR 50.00 4.75000% 0.00 0.00 0.00 0.00 II-A-1 170,816,000.00 5.00000% ~~156~~153,~~292~~336,~~339~~583.4946 ~~651~~638,~~218~~902.0843 0.00 0.00 III-A-1 65,772,000.00 5.25000% 6159,~~033~~834,~~650~~310.8429 ~~267~~261,~~022~~775.2211 0.00 0.00 A-WIO 0.00 0.~~12343~~12352% ~~163~~161,~~301~~014,~~030~~220.8634 16,~~797~~573.5647 0.00 0.00 B-1 4,055,000.00 4.~~92055~~92056% 3,~~977~~962,~~999~~318.2932 16,~~311~~247.6136 0.00 0.00 B-2 902,000.00 4.~~92055~~92056% ~~884~~881,~~871~~383.8576 3,~~628~~614.3808 0.00 0.00 B-3 676,000.00 4.~~92055~~92056% ~~663~~660,~~163~~549.3824 2,~~719~~708.2756 0.00 0.00 B-4 450,000.00 4.~~92055~~92056% ~~441~~439,~~454~~714.9273 1,~~810~~803.1704 0.00 0.00 B-5 451,000.00 4.~~92055~~92056% ~~442~~440,~~435~~691.9388 1,~~814~~807.1904 0.00 0.00 B-6 225,630.04 4.~~92055~~92056% ~~221~~220,~~345~~473.5301 ~~907~~904.6204 0.00 0.00 Totals 450,615,028.84 1,~~741~~717,~~309~~286.0542 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-PO 0.00 0.00 0.00 0.00 1,~~371~~362,~~433~~826.2855 I-A-1 ~~863~~404.3273 0.00 ~~778~~772,~~216~~546.6356 0.00 ~~195~~192,~~271~~058,~~906~~234.1040 I-A-R 0.00 0.00 0.00 0.00 0.00 I-A-LR 0.00 0.00 10.8200 0.00 0.00 II-A-1 ~~721~~334.6354 0.00 ~~650~~638,~~496~~567.4589 0.00 ~~153~~151,~~336~~716,~~583~~502.4678 III-A-1 ~~295~~137.8907 0.00 ~~266~~261,~~726~~638.3304 0.00 59,~~834~~099,~~310~~512.2907 A-WIO 188.6168 0.00 16,~~778~~564.9479 0.00 ~~161~~157,~~013~~705,~~937~~007.8634 B-1 188.1856 0.00 16,~~293~~238.4380 0.00 3,~~962~~946,~~318~~557.3228 B-2 41.0490 0.00 3,~~624~~612.3318 0.00 ~~881~~877,~~383~~877.7685 B-3 31.0343 0.00 2,~~716~~707.2413 0.00 ~~660~~657,~~549~~921.2476 B-4 20.0295 0.00 1,~~808~~802.1509 0.00 ~~439~~437,~~714~~965.7367 B-5 20.0295 0.00 1,~~812~~806.1709 0.00 ~~440~~438,~~691~~938.8892 B-6 10.0148 0.00 ~~906~~903.6157 0.00 ~~220~~219,~~473~~596.0103 Totals ~~1,929~~899.7529 0.00 1,~~739~~716,~~381~~387.1014 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-PO 1,432,298.80 0.00000% ~~965~~957.~~01757873~~50501222 0.00000000 0.00000000 0.00000000 I-A-1 205,835,000.00 4.75000% ~~956~~948.~~20375072~~68174071 3.~~78497316~~75519853 0.00000000 0.00000000 I-A-R 50.00 4.75000% 0.00000000 0.00000000 0.00000000 0.00000000 I-A-LR 50.00 4.75000% 0.00000000 0.00000000 0.00000000 0.00000000 II-A-1 170,816,000.00 5.00000% ~~914~~897.~~97482373~~67108151 3.~~81239509~~74029617 0.00000000 0.00000000 III-A-1 65,772,000.00 5.25000% ~~927~~909.~~95795840~~72313887 43.~~05981603~~98003877 0.00000000 0.00000000 A-WIO 0.00 0.~~12343~~12352% ~~915~~902.~~11418055~~29924164 0.~~09413098~~09287521 0.00000000 0.00000000 B-1 4,055,000.00 4.~~92055~~92056% ~~981~~977.~~01092232~~14385203 4.~~02259186~~00674723 0.00000000 0.00000000 B-2 902,000.00 4.~~92055~~92056% ~~981~~977.~~01092018~~14385809 4.~~02259424~~00674058 0.00000000 0.00000000 B-3 676,000.00 4.~~92055~~92056% ~~981~~977.~~01091716~~14384615 4.~~02258876~~00674556 0.00000000 0.00000000 B-4 450,000.00 4.~~92055~~92056% ~~981~~977.~~01093333~~14384444 4.~~02260000~~00675556 0.00000000 0.00000000 B-5 451,000.00 4.~~92055~~92056% ~~981~~977.~~01093126~~14385809 4.~~02259424~~00674058 0.00000000 0.00000000 B-6 225,630.04 4.~~92055~~92056% ~~981~~977.~~01090617~~14386790 4.~~02260266~~00673598 0.00000000 0.00000000 (5) Per $1,000 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-PO 0.00000000 0.00000000 0.00000000 0.00000000 ~~957~~951.~~50501222~~49597975 I-A-1 0.~~00419423~~00196628 0.00000000 3.~~78077892~~75323225 0.00000000 ~~948~~933.~~68174071~~06888722 I-A-R 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 I-A-LR 0.00000000 0.00000000 360.~~40000000~~00000000 0.00000000 0.00000000 II-A-1 0.~~00422460~~00195848 0.00000000 3.~~80817049~~73833768 0.00000000 ~~897~~888.~~67108151~~18672010 III-A-1 0.~~00449872~~00208402 0.00000000 43.~~05531731~~97795475 0.00000000 ~~909~~898.~~72313887~~55123867 A-WIO 0.~~00010429~~00004864 0.00000000 0.~~09402663~~09282657 0.00000000 ~~902~~883.~~29765866~~75491447 B-1 0.~~00448335~~00211097 0.00000000 4.~~01810851~~00463625 0.00000000 ~~977~~973.~~14385203~~25703576 B-2 0.~~00447894~~00210643 0.00000000 4.~~01810421~~00463415 0.00000000 ~~977~~973.~~14385809~~25703991 B-3 0.~~00448225~~00211538 0.00000000 4.~~01810651~~00463018 0.00000000 ~~977~~973.~~14384615~~25704142 B-4 0.~~00448889~~00211111 0.00000000 4.~~01811111~~00464444 0.00000000 ~~977~~973.~~14384444~~25704444 B-5 0.~~00447894~~00210643 0.00000000 4.~~01811530~~00463415 0.00000000 ~~977~~973.~~14385809~~25702882 B-6 0.~~00447635~~00212738 0.00000000 4.~~01812631~~00465293 0.00000000 ~~977~~973.~~14386790~~25706276 (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 I-A-PO 0.00000% 0.00 0.00 1,~~120~~113,~~314~~890.7275 1,~~113~~106,~~890~~849.7586 96.~~66252484~~05152219% II-A-PO 0.00000% 0.00 0.00 ~~182,131.84~~ 179,014.47 92177,781.~~15169372~~94 91.51722140% III-A-PO 0.00000% 0.00 0.00 7978,~~746~~528.9607 78,~~528~~194.0775 91.~~64417519~~25518261% I-A-WIO 0.11500% 7574,~~110~~793,~~398~~982.7404 7473,~~793~~064,~~932~~080.0417 0.00 0.00 9391.~~38714844~~22726823% II-A-WIO 0.11500% ~~67,961,048.37~~ 66,554,146.35 65,539,035.88 0.00 0.00 8785.~~01656880~~68935727% III-A-WIO 0.~~18309~~18474% 2019,~~229~~666,~~583~~091.7595 19,~~665~~101,~~859~~891.4729 0.00 0.00 8987.~~90446407~~32622653%

CERTIFICATEHOLDER ACCOUNT STATEMENT CERTIFICATE ACCOUNT Beginning Balance 0224,539.0080 Deposits Payments of Interest and Principal 7,~~826~~300,~~847~~082.7170 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 7,~~826~~300,~~847~~082.7170 Withdrawals Reimbursement for Servicer Advances ~~34,070~~0.6200 Payment of Service Fee 8887,~~566~~037.4843 Payment of Interest and Principal 7,~~479~~319,~~670~~817.8187 Total Withdrawals (Pool Distribution Amount) 7,~~602~~406,~~307~~855.9130 Ending Balance ~~224~~117,~~539~~767.8020

PREPAYMENT/CURTAILMENT INTEREST SHORTFALL Total Prepayment/Curtailment Interest Shortfall 4,~~729~~036.2846 Servicing Fee Support 23,~~799~~137.5317 Non-Supported Prepayment/Curtailment Interest Shortfall ~~1,929~~899.7529

SERVICING FEES Gross Servicing Fee 8786,~~851~~706.9334 Master Servicing Fee 3,~~514~~468.0825 Supported Prepayment/Curtailment Interest Shortfall 23,~~799~~137.5317 Net Servicing Fee 8887,~~566~~037.4843

LOAN STATUS STRATIFICATION/CREDIT ENHANCEMENT STATEMENT 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 01 0 0 0 01 0567,411.0072 0.00 0.00 0.00 0567,411.0072 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 01 0 0 0 01 0567,411.0072 0.00 0.00 0.00 0567,411.0072 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.~~000000~~118906% 0.000000% 0.000000% 0.000000% 0.~~000000~~118906% 0.~~000000~~137473% 0.000000% 0.000000% 0.000000% 0.~~000000~~137473% 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.~~000000~~118906% 0.000000% 0.000000% 0.000000% 0.~~000000~~118906% 0.~~000000~~137473% 0.000000% 0.000000% 0.000000% 0.~~000000~~137473%

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 01 0 0 0 01 0567,411.0072 0.00 0.00 0.00 0567,411.0072 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 01 0 0 0 01 0567,411.0072 0.00 0.00 0.00 0567,411.0072 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 0.~~000000~~261780% 0.000000% 0.000000% 0.000000% 0.~~000000~~261780% 0.~~000000~~288275% 0.000000% 0.000000% 0.000000% 0.~~000000~~288275% 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.~~000000~~261780% 0.000000% 0.000000% 0.000000% 0.~~000000~~261780% 0.~~000000~~288275% 0.000000% 0.000000% 0.000000% 0.~~000000~~288275% 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 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 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 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 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 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% DELINQUENT BANKRUPTCY FORECLOSURE REO Total 3 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 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 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 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 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 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000%

OTHER INFORMATION Current Period Class A Insufficient Funds 0.00 Principal Balance of Contaminated Properties 0.00 Periodic Advance ~~112~~152,~~284~~832.9315

SUBORDINATION LEVEL/CREDIT ENHANCEMENT/CLASS PERCENTAGE AND PREPAYMENT PERCENTAGE Current Original $ Original % Current $ Current % Class% Prepayment% Class A 449,182,730.04 99.68214580% ~~415~~409,~~047~~453,~~930~~106.7976 99.~~67066054~~66826347% 98.~~078158~~060417% 100.000000% Class I-A-1 243,347,730.04 54.00346515% ~~219~~217,~~776~~394,~~024~~872.6936 52.~~77757080~~91782882% 47.~~204013~~062683% 0.000000% Class I-AR 243,347,680.04 54.00345405% ~~219~~217,~~776~~394,~~024~~872.6936 52.~~77757080~~91782882% 0.000000% 0.000000% Class I-ALR 243,347,630.04 54.00344295% ~~219~~217,~~776~~394,~~024~~872.6936 52.~~77757080~~91782882% 0.000000% 0.000000% Class II-A-1 72,531,630.04 16.09614092% 6665,~~439~~678,~~441~~369.2358 15.~~95493557~~98729851% 37.~~066786~~177191% 0.000000% Class III-A-1 6,759,630.04 1.50008979% 6,~~605~~578,~~130~~857.9451 1.~~58617286~~60141245% 14.~~464034~~481970% 0.000000% Class B-1 2,704,630.04 0.60020857% 2,~~642~~632,~~812~~300.6223 0.~~63465171~~64074930% 0.~~957830~~967079% 0.000000% Class B-2 1,802,630.04 0.40003771% 1,~~761~~754,~~428~~422.8638 0.~~42299398~~42705802% 0.~~213061~~215119% 0.000000% Class B-3 1,126,630.04 0.25002052% 1,~~100~~096,~~879~~500.62 0.~~26436802~~26690801% 0.~~159678~~161220% 0.000000% Class B-4 676,630.04 0.15015701% ~~661~~658,~~164~~534.8995 0.~~15877381~~16029927% 0.~~106294~~107321% 0.000000% Class B-5 225,630.04 0.05007157% ~~220~~219,~~473~~596.0103 0.~~05294495~~05345363% 0.~~106531~~107559% 0.000000% Class B-6 0.00 0.00000000% 0.00 0.00000000% 0.~~053296~~053811% 0.000000% Please Refer to the Prospectus Supplement for a Full Description of Loss Exposure

COLLATERAL STATEMENT Collateral Description Fixed 15 Year Weighted Average Gross Coupon 5.~~209784~~208879% Weighted Average Pass-Through Rate 0.000000% Weighted Average Maturity(Stepdown Calculation) ~~171~~170 Beginning Scheduled Collateral Loan Count ~~856~~849 Number Of Loans Paid In Full 78 Ending Scheduled Collateral Loan Count ~~849~~841 Beginning Scheduled Collateral Balance ~~422~~416,~~159~~419,~~653~~364.7908 Ending Scheduled Collateral Balance ~~416~~410,~~419~~815,~~364~~933.0830 Ending Actual Collateral Balance at 2931-~~Jul~~Aug-2005 ~~418~~412,~~542~~743,~~191~~055.1367 Ending Scheduled Balance For Wells Fargo Serviced ~~409~~404,~~601~~029,~~032~~536.4136 Ending Scheduled Balance For Other Servicers 6,~~818~~786,~~331~~396.6794 Monthly P&I Constant 3,~~512~~480,~~437~~318.2547 Special Servicing Fee 0.00 Prepayment Penalties 0.00 Realized Loss Amount 0.00 Cumulative Realized Loss 0.00 Class A Non-PO Optimal Amount 7,~~406~~250,~~747~~146.0916 Class AP Deferred Amount 0.00 Ending Scheduled Balance for Premium Loans ~~416~~410,~~419~~815,~~364~~933.0830 Scheduled Principal 1,~~664~~657,~~892~~054.8873 Unscheduled Principal 43,~~075~~946,~~396~~376.8305 Unpaid Principal Balance Of Outstanding Mortgage Loans With Original LTV: Less Than Or Equal To 80% ~~414~~409,~~954~~535,~~959~~473.9720 Greater Than 80%, less than or equal to 85% 0.00 Greater than 85%, less than or equal to 95% 1,~~374~~246,~~955~~455.5747 Greater than 95% 0.00

Group Level Collateral Statement Group 1 2 3 Collateral Description Fixed 15 Year Fixed 15 Year Fixed 15 Year Weighted Average Coupon Rate 5.~~026585~~026734 5.~~303572~~303682 5.~~563319~~562885 Weighted Average Net Rate 4.~~766585~~766734 5.~~043572~~043682 5.~~303319~~302885 Weighted Average Maturity ~~172~~171 ~~172~~171 ~~170~~169 Beginning Loan Count ~~387~~386 ~~324~~321 ~~145~~142 Loans Paid In Full 14 3 31 Ending Loan Count ~~386~~382 ~~321~~318 ~~142~~141 Beginning Scheduled Balance ~~201~~199,~~032~~464,~~032~~890.5301 ~~159~~156,~~030~~061,~~187~~380.9103 6260,~~097~~893,~~433~~094.3504 Ending Scheduled Balance ~~199~~196,~~464~~231,~~890~~792.0164 ~~156~~154,~~061~~430,~~380~~007.0357 60,~~893~~154,~~094~~133.0409 Record Date 0708/2931/2005 0708/2931/2005 0708/2931/2005 Principal And Interest Constant 1,~~652~~647,~~890~~355.7115 1,~~329~~310,~~502~~909.2160 ~~530~~522,~~044~~053.3372 Scheduled Principal ~~808~~802,~~185~~510.2372 ~~618~~616,~~180~~662.4855 ~~238~~237,~~527~~881.1746 Unscheduled Principal ~~758~~2,~~957~~430,586.2965 21,~~350~~014,~~627~~709.4091 ~~965~~501,~~812~~079.1449 Scheduled Interest ~~842~~835,~~020~~547.4362 ~~700~~688,~~851~~707.3285 ~~287~~282,~~886~~316.5104 Servicing Fees 41,~~878~~555.3620 3332,~~036~~463.7667 12,~~936~~687.8248 Master Servicing Fees 1,~~675~~662.1321 1,~~321~~298.4755 ~~517~~507.4750 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 1 0.00 0.00 0.00 Spread 2 0.00 0.00 0.00 Spread 3 0.00 0.00 0.00 Net Interest ~~798~~792,~~466~~330.9422 ~~666~~654,~~493~~945.0964 ~~274~~269,~~432~~121.2206 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

Group Level Collateral Statement Group Total Collateral Description Fixed 15 Year Weighted Average Coupon Rate 5.~~209784~~208879 Weighted Average Net Rate 4.~~949784~~948879 Weighted Average Maturity ~~171~~170 Beginning Loan Count ~~856~~849 Loans Paid In Full 78 Ending Loan Count ~~849~~841 Beginning Scheduled Balance ~~422~~416,~~159~~419,~~653~~364.7908 Ending scheduled Balance ~~416~~410,~~419~~815,~~364~~933.0830 Record Date 0708/2931/2005 Principal And Interest Constant 3,~~512~~480,~~437~~318.2547 Scheduled Principal 1,~~664~~657,~~892~~054.8873 Unscheduled Principal 43,~~075~~946,~~396~~376.8305 Scheduled Interest 1,~~830~~806,~~758~~571.2651 Servicing Fees 8786,~~851~~706.9334 Master Servicing Fees 3,~~514~~468.0825 Trustee Fee 0.00 FRY Amount 0.00 Special Hazard Fee 0.00 Other Fee 0.00 Pool Insurance Fee 0.00 Spread 1 0.00 Spread 2 0.00 Spread 3 0.00 Net Interest 1,~~739~~716,~~392~~396.2591 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

Filing Compare · Wells Fargo Asset Securities Corp Mortgage Pass-Through Certificates Series 2005-1