8-K 1 wfm05ar1_10508.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): August 25, 2005 WELLS FARGO ASSET SECURITIES CORPORATION Mortgage Pass-Through Certificates, Series 2005-AR1 Trust (Exact name of registrant as specified in its charter) New York (governing law of 333-116509-21 Pooling and Servicing Agreement) (Commission 54-2168059 (State or other File Number) 54-2168060 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 August 25, 2005 a distribution was made to holders of WELLS FARGO ASSET SECURITIES CORPORATION, Mortgage Pass-Through Certificates, Series 2005-AR1 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-AR1 Trust, relating to the August 25, 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-AR1 Trust (Registrant) By: Wells Fargo Bank, N.A. as Master Servicer By: /s/ Beth Belfield as Officer By: Beth Belfield as Officer Date: 8/25/2005 INDEX TO EXHIBITS Exhibit Number Description EX-99.1 Monthly report distributed to holders of Mortgage Pass-Through Certificates, Series 2005-AR1 Trust, relating to the August 25, 2005 distribution. EX-99.1

Wells Fargo Asset Securities Corporation Mortgage Pass-Through Certificates Record Date: 67/3029/2005 Distribution Date: 78/25/2005 Wells Fargo Asset Securities Corporation Mortgage Pass-Through Certificates Series 2005-AR1 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 I-A-1 949781AA6 SEN 4.~~56167~~55914% ~~706~~694,~~376~~173,~~444~~922.5120 2,~~684~~637,~~670~~293.6305 I-A-2 949781AB4 SEN 4.~~56167~~55914% 2726,~~401~~928,~~911~~548.5964 ~~104~~102,~~144~~306.3446 I-A-R 949781AD0 SEN 4.~~55914~~55647% 0.00 0.00 I-A-LR 949781AE8 SEN 4.~~55914~~55647% 0.00 0.00 II-A-1 949781AC2 SEN 4.~~50083~~49747% ~~187~~182,~~629~~337,~~423~~552.3860 ~~703~~683,~~740~~364.9640 A-IO 949781AF5 IO 0.00500% 0.00 3,~~839~~764.2032 I-B-1 949781AG3 SUB 4.~~56667~~56414% 12,008,~~802~~545.1976 45,~~690~~672.9769 I-B-2 949781AH1 SUB 4.~~56667~~56414% 6,404,~~361~~224.2045 24,~~367~~357.2550 I-B-3 949781AJ7 SUB 4.~~56667~~56414% 4,002,~~600~~515.7630 15,~~229~~222.0596 I-B-4 949781AN8 SUB 4.~~56667~~56414% 2,001,~~800~~757.3359 7,~~616~~613.4338 I-B-5 949781AP3 SUB 4.~~56667~~56414% 2,801,~~720~~660.5472 10,~~659~~655.9669 I-B-6 949781AQ1 SUB 4.~~56667~~56414% 1,601,~~332~~297.0585 6,~~092~~090.7329 II-B-1 949781AK4 SUB 4.~~50583~~50247% 2,~~682~~679,~~008~~414.3956 10,~~070~~053.5707 II-B-2 949781AL2 SUB 4.~~50583~~50247% 1,~~589~~587,~~301~~764.4540 5,~~967~~957.6124 II-B-3 949781AM0 SUB 4.~~50583~~50247% ~~695~~694,~~630~~957.3862 2,~~612~~607.0046 II-B-4 949781AR9 SUB 4.~~50583~~50247% ~~794~~793,~~153~~385.1309 2,~~981~~976.9475 II-B-5 949781AS7 SUB 4.~~50583~~50247% 496,~~594~~114.5024 1,~~864~~861.6440 II-B-6 949781AT5 SUB 4.~~50583~~50247% 298,~~947~~658.9179 1,~~122~~120.5156 Totals ~~956~~938,~~785~~810,~~032~~319.3181 3,~~630~~560,~~670~~917.7922

Certificateholder Distribution Summary (continued) Current Ending Cumulative Principal Realized Certificate Total Realized Class Distribution Loss Balance Distribution Losses I-A-1 1211,~~202~~624,~~522~~248.3115 0.00 ~~694~~682,~~173~~549,~~922~~674.2005 14,~~887~~261,~~192~~541.9420 0.00 I-A-2 ~~473~~450,~~362~~930.9541 0.00 26,~~928~~477,~~548~~618.6423 ~~577~~553,~~507~~236.2987 0.00 I-A-R 0.00 0.00 0.00 0.00 0.00 I-A-LR 0.00 0.00 0.00 0.00 0.00 II-A-1 52,~~291~~789,~~870~~773.7873 0.00 ~~182~~179,~~337~~547,~~552~~778.6086 53,~~995~~473,~~611~~138.7413 0.00 A-IO 0.00 0.00 0.00 3,~~839~~764.2032 0.00 I-B-1 ~~256~~252.4233 0.00 12,008,~~545~~293.7644 45,~~947~~925.3902 0.00 I-B-2 ~~136~~134.7557 0.00 6,404,~~224~~089.4588 24,~~504~~492.0007 0.00 I-B-3 8584.4710 0.00 4,002,~~515~~431.3019 15,~~314~~307.5206 0.00 I-B-4 42.7406 0.00 2,001,~~757~~715.5953 7,~~659~~655.1744 0.00 I-B-5 5958.8287 0.00 2,801,~~660~~601.7285 10,~~719~~714.7856 0.00 I-B-6 3433.1965 0.00 1,601,~~297~~264.8521 6,~~126~~123.9294 0.01 II-B-1 2,~~593~~651.8394 0.00 2,~~679~~676,~~414~~762.5662 12,~~664~~705.4001 0.00 II-B-2 1,~~537~~571.0548 0.00 1,~~587~~586,~~764~~192.4091 7,~~504~~528.6672 0.00 II-B-3 ~~672~~687.7683 0.00 694,~~957~~269.6278 3,~~284~~295.7629 0.00 II-B-4 ~~768~~785.0425 0.00 ~~793~~792,~~385~~599.0984 3,~~749~~762.9800 0.00 II-B-5 ~~480~~491.2703 0.00 ~~496~~495,~~114~~623.2421 2,~~344~~352.9143 0.00 II-B-6 ~~289~~295.1260 0.00 298,~~658~~363.7919 1,~~411~~416.6316 0.00 Totals 1714,~~974~~872,~~712~~041.5000 0.00 923,938,~~810,319~~278.8179 2118,~~605~~432,~~383~~958.2922 0.01 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-1 742,984,000.00 ~~706~~694,~~376~~173,~~444~~922.5120 1514,~~083~~586.1931 1211,~~187~~609,~~439~~661.1283 0.00 0.00 I-A-2 28,822,000.00 2726,~~401~~928,~~911~~548.5964 ~~585~~565.1184 ~~472~~450,~~777~~364.8458 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-1 193,040,000.00 ~~187~~182,~~629~~337,~~423~~552.3860 ~~181~~180,~~460~~467.8987 52,~~110~~609,~~409~~305.8986 0.00 0.00 A-IO 0.00 0.00 0.00 0.00 0.00 0.00 I-B-1 12,010,000.00 12,008,~~802~~545.1976 ~~256~~252.4233 0.00 0.00 0.00 I-B-2 6,405,000.00 6,404,~~361~~224.2045 ~~136~~134.7557 0.00 0.00 0.00 I-B-3 4,003,000.00 4,002,~~600~~515.7630 8584.4710 0.00 0.00 0.00 I-B-4 2,002,000.00 2,001,~~800~~757.3359 42.7406 0.00 0.00 0.00 I-B-5 2,802,000.00 2,801,~~720~~660.5472 5958.8287 0.00 0.00 0.00 I-B-6 1,601,491.78 1,601,~~332~~297.0585 3433.1965 0.00 0.00 0.00 II-B-1 2,695,000.00 2,~~682~~679,~~008~~414.3956 2,~~593~~651.8394 0.00 0.00 0.00 II-B-2 1,597,000.00 1,~~589~~587,~~301~~764.4540 1,~~537~~571.0548 0.00 0.00 0.00 II-B-3 699,000.00 ~~695~~694,~~630~~957.3862 ~~672~~687.7683 0.00 0.00 0.00 II-B-4 798,000.00 ~~794~~793,~~153~~385.1309 ~~768~~785.0425 0.00 0.00 0.00 II-B-5 499,000.00 496,~~594~~114.5024 ~~480~~491.2703 0.00 0.00 0.00 II-B-6 300,396.01 298,~~947~~658.9179 ~~289~~295.1260 0.00 0.00 0.00 Totals 1,000,257,987.79 ~~956~~938,~~785~~810,~~032~~319.3181 ~~204~~202,~~085~~708.6573 1714,~~770~~669,~~626~~332.8527 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 1211,~~202~~624,~~522~~248.3115 ~~694~~682,~~173~~549,~~922~~674.2005 0.~~93430534~~91865999 1211,~~202~~624,~~522~~248.3115 I-A-2 ~~473~~450,~~362~~930.9541 26,~~928~~477,~~548~~618.6423 0.~~93430534~~91865999 ~~473~~450,~~362~~930.9541 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 52,~~291~~789,~~870~~773.7873 ~~182~~179,~~337~~547,~~552~~778.6086 0.~~94455840~~93010660 52,~~291~~789,~~870~~773.7873 A-IO 0.00 0.00 0.00000000 0.00 I-B-1 ~~256~~252.4233 12,008,~~545~~293.7644 0.~~99987891~~99985791 ~~256~~252.4233 I-B-2 ~~136~~134.7557 6,404,~~224~~089.4588 0.~~99987891~~99985790 ~~136~~134.7557 I-B-3 8584.4710 4,002,~~515~~431.3019 0.~~99987892~~99985790 8584.4710 I-B-4 42.7406 2,001,~~757~~715.5953 0.~~99987892~~99985791 42.7406 I-B-5 5958.8287 2,801,~~660~~601.7285 0.~~99987892~~99985791 5958.8287 I-B-6 3433.1965 1,601,~~297~~264.8521 0.~~99987891~~99985790 3433.1965 II-B-1 2,~~593~~651.8394 2,~~679~~676,~~414~~762.5662 0.~~99421691~~99323288 2,~~593~~651.8394 II-B-2 1,~~537~~571.0548 1,~~587~~586,~~764~~192.4091 0.~~99421691~~99323288 1,~~537~~571.0548 II-B-3 ~~672~~687.7683 694,~~957~~269.6278 0.~~99421691~~99323288 ~~672~~687.7683 II-B-4 ~~768~~785.0425 ~~793~~792,~~385~~599.0984 0.~~99421690~~99323288 ~~768~~785.0425 II-B-5 ~~480~~491.2703 ~~496~~495,~~114~~623.2421 0.~~99421691~~99323289 ~~480~~491.2703 II-B-6 ~~289~~295.1260 298,~~658~~363.7919 0.~~99421690~~99323287 ~~289~~295.1260 Totals 1714,~~974~~872,~~712~~041.5000 923,938,~~810,319~~278.8179 0.~~93856818~~92369998 1714,~~974~~872,~~712~~041.5000

Principal Distribution Factors Statement Original Beginning Scheduled Unscheduled Face Certificate Principal Principal Class (2) Amount Balance Distribution Distribution Accretion I-A-1 742,984,000.00 ~~950~~934.~~72901235~~30534466 0.~~02030083~~01963206 1615.~~40336686~~62572253 0.00000000 I-A-2 28,822,000.00 ~~950~~934.~~72901221~~30534453 0.~~02030081~~01963223 1615.~~40336687~~62572271 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-1 193,040,000.00 ~~971~~944.~~97173322~~55839515 0.~~94001704~~93487293 2613.~~47332102~~51691805 0.00000000 A-IO 0.00 0.00000000 0.00000000 0.00000000 0.00000000 I-B-1 12,010,000.00 999.~~90026561~~87891424 0.~~02135054~~02100999 0.00000000 0.00000000 I-B-2 6,405,000.00 999.~~90026542~~87891491 0.~~02135051~~02101015 0.00000000 0.00000000 I-B-3 4,003,000.00 999.~~90026480~~87891581 0.~~02135149~~02100924 0.00000000 0.00000000 I-B-4 2,002,000.00 999.~~90026474~~87891608 0.~~02134865~~02100899 0.00000000 0.00000000 I-B-5 2,802,000.00 999.~~90026410~~87891506 0.~~02134904~~02100999 0.00000000 0.00000000 I-B-6 1,601,491.78 999.~~90026174~~87890665 0.~~02134885~~02101166 0.00000000 0.00000000 II-B-1 2,695,000.00 ~~995~~994.~~17936549~~21690538 0.~~96246011~~98402226 0.00000000 0.00000000 II-B-2 1,597,000.00 ~~995~~994.~~17936756~~21690670 0.~~96246086~~98402004 0.00000000 0.00000000 II-B-3 699,000.00 ~~995~~994.~~17937053~~21690987 0.~~96246066~~98402003 0.00000000 0.00000000 II-B-4 798,000.00 ~~995~~994.~~17936090~~21690476 0.~~96245614~~98402256 0.00000000 0.00000000 II-B-5 499,000.00 ~~995~~994.~~17935872~~21691383 0.~~96246493~~98402806 0.00000000 0.00000000 II-B-6 300,396.01 ~~995~~994.~~17936340~~21690055 0.~~96246285~~98403438 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 1615.~~42366768~~64535461 ~~934~~918.~~30534466~~65999005 0.~~93430534~~91865999 1615.~~42366768~~64535461 I-A-2 0.00000000 1615.~~42366768~~64535459 ~~934~~918.~~30534453~~65998994 0.~~93430534~~91865999 1615.~~42366768~~64535459 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 2714.~~41333806~~45179098 ~~944~~930.~~55839515~~10660412 0.~~94455840~~93010660 2714.~~41333806~~45179098 A-IO 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 I-B-1 0.00000000 0.~~02135054~~02100999 999.~~87891424~~85790508 0.~~99987891~~99985791 0.~~02135054~~02100999 I-B-2 0.00000000 0.~~02135051~~02101015 999.~~87891491~~85790476 0.~~99987891~~99985790 0.~~02135051~~02101015 I-B-3 0.00000000 0.~~02135149~~02100924 999.~~87891581~~85790407 0.~~99987892~~99985790 0.~~02135149~~02100924 I-B-4 0.00000000 0.~~02134865~~02100899 999.~~87891608~~85790709 0.~~99987892~~99985791 0.~~02134865~~02100899 I-B-5 0.00000000 0.~~02134904~~02100999 999.~~87891506~~85790507 0.~~99987892~~99985791 0.~~02134904~~02100999 I-B-6 0.00000000 0.~~02134885~~02101166 999.~~87890665~~85790124 0.~~99987891~~99985790 0.~~02134885~~02101166 II-B-1 0.00000000 0.~~96246011~~98402226 ~~994~~993.~~21690538~~23288312 0.~~99421691~~99323288 0.~~96246011~~98402226 II-B-2 0.00000000 0.~~96246086~~98402004 ~~994~~993.~~21690670~~23288040 0.~~99421691~~99323288 0.~~96246086~~98402004 II-B-3 0.00000000 0.~~96246066~~98402003 ~~994~~993.~~21690987~~23287554 0.~~99421691~~99323288 0.~~96246066~~98402003 II-B-4 0.00000000 0.~~96245614~~98402256 ~~994~~993.~~21690476~~23288221 0.~~99421690~~99323288 0.~~96245614~~98402256 II-B-5 0.00000000 0.~~96246493~~98402806 ~~994~~993.~~21691383~~23288577 0.~~99421691~~99323289 0.~~96246493~~98402806 II-B-6 0.00000000 0.~~96246285~~98403438 ~~994~~993.~~21690055~~23286618 0.~~99421690~~99323287 0.~~96246285~~98403438 (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-1 742,984,000.00 4.~~56167~~55914% ~~706~~694,~~376~~173,~~444~~922.5120 2,~~685~~637,~~212~~362.5316 0.00 0.00 I-A-2 28,822,000.00 4.~~56167~~55914% 2726,~~401~~928,~~911~~548.5964 ~~104~~102,~~165~~309.3614 0.00 0.00 I-A-R 50.00 4.~~55914~~55647% 0.00 0.00 0.00 0.00 I-A-LR 50.00 4.~~55914~~55647% 0.00 0.00 0.00 0.00 II-A-1 193,040,000.00 4.~~50083~~49747% ~~187~~182,~~629~~337,~~423~~552.3860 ~~703~~683,~~740~~380.5379 0.00 0.00 A-IO 0.00 0.00500% ~~921~~903,~~407~~440,~~779~~023.4844 3,~~839~~764.2033 0.00 0.00 I-B-1 12,010,000.00 4.~~56667~~56414% 12,008,~~802~~545.1976 45,~~700~~673.1888 0.00 0.00 I-B-2 6,405,000.00 4.~~56667~~56414% 6,404,~~361~~224.2045 24,~~372~~358.1614 0.00 0.00 I-B-3 4,003,000.00 4.~~56667~~56414% 4,002,~~600~~515.7630 15,~~232~~223.1336 0.00 0.00 I-B-4 2,002,000.00 4.~~56667~~56414% 2,001,~~800~~757.3359 7,~~617~~613.9758 0.00 0.00 I-B-5 2,802,000.00 4.~~56667~~56414% 2,801,~~720~~660.5472 10,~~662~~655.1197 0.00 0.00 I-B-6 1,601,491.78 4.~~56667~~56414% 1,601,~~332~~297.0585 6,~~093~~090.9645 0.00 0.00 II-B-1 2,695,000.00 4.~~50583~~50247% 2,~~682~~679,~~008~~414.3956 10,~~070~~053.5731 0.00 0.00 II-B-2 1,597,000.00 4.~~50583~~50247% 1,~~589~~587,~~301~~764.4540 5,~~967~~957.6138 0.00 0.00 II-B-3 699,000.00 4.~~50583~~50247% ~~695~~694,~~630~~957.3862 2,~~612~~607.0052 0.00 0.00 II-B-4 798,000.00 4.~~50583~~50247% ~~794~~793,~~153~~385.1309 2,~~981~~976.9382 0.00 0.00 II-B-5 499,000.00 4.~~50583~~50247% 496,~~594~~114.5024 1,~~864~~861.6445 0.00 0.00 II-B-6 300,396.01 4.~~50583~~50247% 298,~~947~~658.9179 1,~~122~~120.5158 0.00 0.00 Totals 1,000,257,987.79 3,~~631~~561,~~255~~008.3986 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 ~~541~~69.9011 0.00 2,~~684~~637,~~670~~293.6305 0.00 ~~694~~682,~~173~~549,~~922~~674.2005 I-A-2 212.0268 0.00 ~~104~~102,~~144~~306.3446 0.00 26,~~928~~477,~~548~~618.6423 I-A-R 0.00 0.00 0.00 0.00 0.00 I-A-LR 0.00 0.00 0.00 0.00 0.00 II-A-1 (016.~~43)~~39 0.00 ~~703~~683,~~740~~364.9640 0.00 ~~182~~179,~~337~~547,~~552~~778.6086 A-IO 0.0002 0.00 3,~~839~~764.2032 0.00 ~~903~~888,~~440~~575,~~023~~071.4415 I-B-1 91.2120 0.00 45,~~690~~672.9769 0.00 12,008,~~545~~293.7644 I-B-2 40.9164 0.00 24,~~367~~357.2550 0.00 6,404,~~224~~089.4588 I-B-3 30.0740 0.00 15,~~229~~222.0596 0.00 4,002,~~515~~431.3019 I-B-4 10.5420 0.00 7,~~616~~613.4338 0.00 2,001,~~757~~715.5953 I-B-5 20.1528 0.00 10,~~659~~655.9669 0.00 2,801,~~660~~601.7285 I-B-6 10.2316 0.00 6,~~092~~090.7329 0.00 1,601,~~297~~264.8521 II-B-1 (0.~~01)~~24 0.00 10,~~070~~053.5707 0.00 2,~~679~~676,~~414~~762.5662 II-B-2 0.0014 0.00 5,~~967~~957.6124 0.00 1,~~587~~586,~~764~~192.4091 II-B-3 0.0006 0.00 2,~~612~~607.0046 0.00 694,~~957~~269.6278 II-B-4 0.0007 0.00 2,~~981~~976.9475 0.00 ~~793~~792,~~385~~599.0984 II-B-5 0.0004 0.00 1,~~864~~861.6440 0.00 ~~496~~495,~~114~~623.2421 II-B-6 0.0003 0.00 1,~~122~~120.5156 0.00 298,~~658~~363.7919 Totals ~~584~~91.5966 0.00 3,~~630~~560,~~670~~917.7922 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-1 742,984,000.00 4.~~56167~~55914% ~~950~~934.~~72901235~~30534466 3.~~61409200~~54968904 0.00000000 0.00000000 I-A-2 28,822,000.00 4.~~56167~~55914% ~~950~~934.~~72901221~~30534453 3.~~61409201~~54968913 0.00000000 0.00000000 I-A-R 50.00 4.~~55914~~55647% 0.00000000 0.00000000 0.00000000 0.00000000 I-A-LR 50.00 4.~~55914~~55647% 0.00000000 0.00000000 0.00000000 0.00000000 II-A-1 193,040,000.00 4.~~50083~~49747% ~~971~~944.~~97173322~~55839515 3.~~64556843~~54009941 0.00000000 0.00000000 A-IO 0.00 0.00500% ~~954~~936.~~97901632~~35661007 0.~~00397908~~00390148 0.00000000 0.00000000 I-B-1 12,010,000.00 4.~~56667~~56414% 999.~~90026561~~87891424 3.~~80517735~~80298751 0.00000000 0.00000000 I-B-2 6,405,000.00 4.~~56667~~56414% 999.~~90026542~~87891491 3.~~80517721~~80298829 0.00000000 0.00000000 I-B-3 4,003,000.00 4.~~56667~~56414% 999.~~90026480~~87891581 3.~~80517862~~80298776 0.00000000 0.00000000 I-B-4 2,002,000.00 4.~~56667~~56414% 999.~~90026474~~87891608 3.~~80517982~~80298701 0.00000000 0.00000000 I-B-5 2,802,000.00 4.~~56667~~56414% 999.~~90026410~~87891506 3.~~80517844~~80298715 0.00000000 0.00000000 I-B-6 1,601,491.78 4.~~56667~~56414% 999.~~90026174~~87890665 3.~~80517720~~80298549 0.00000000 0.00000000 II-B-1 2,695,000.00 4.~~50583~~50247% ~~995~~994.~~17936549~~21690538 3.~~73676067~~73035622 0.00000000 0.00000000 II-B-2 1,597,000.00 4.~~50583~~50247% ~~995~~994.~~17936756~~21690670 3.~~73676268~~73035692 0.00000000 0.00000000 II-B-3 699,000.00 4.~~50583~~50247% ~~995~~994.~~17937053~~21690987 3.~~73676681~~73035765 0.00000000 0.00000000 II-B-4 798,000.00 4.~~50583~~50247% ~~995~~994.~~17936090~~21690476 3.~~73675439~~73035088 0.00000000 0.00000000 II-B-5 499,000.00 4.~~50583~~50247% ~~995~~994.~~17935872~~21691383 3.~~73675351~~73036072 0.00000000 0.00000000 II-B-6 300,396.01 4.~~50583~~50247% ~~995~~994.~~17936340~~21690055 3.~~73676734~~73034249 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.~~00072936~~00009302 0.00000000 3.~~61336264~~54959602 0.00000000 ~~934~~918.~~30534466~~65999005 I-A-2 0.~~00072930~~00009298 0.00000000 3.~~61336271~~54959614 0.00000000 ~~934~~918.~~30534453~~65998994 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.~~00000223)~~00008490 0.00000000 3.~~64557066~~54001450 0.00000000 ~~944~~930.~~55839515~~10660412 A-IO 0.~~00000000~~00000002 0.00000000 0.~~00397908~~00390147 0.00000000 ~~936~~920.~~35661007~~95005737 I-B-1 0.~~00076686~~00009992 0.00000000 3.~~80441049~~80288843 0.00000000 999.~~87891424~~85790508 I-B-2 0.~~00076659~~00009992 0.00000000 3.~~80441062~~80288837 0.00000000 999.~~87891491~~85790476 I-B-3 0.~~00076692~~00009993 0.00000000 3.~~80440919~~80288783 0.00000000 999.~~87891581~~85790407 I-B-4 0.~~00076923~~00009990 0.00000000 3.~~80441059~~80288711 0.00000000 999.~~87891608~~85790709 I-B-5 0.~~00076731~~00009993 0.00000000 3.~~80441113~~80288722 0.00000000 999.~~87891506~~85790507 I-B-6 0.~~00076803~~00009991 0.00000000 3.~~80440916~~80288558 0.00000000 999.~~87890665~~85790124 II-B-1 (0.~~00000371)~~00008905 0.00000000 3.~~73676067~~73026716 0.00000000 ~~994~~993.~~21690538~~23288312 II-B-2 0.~~00000000~~00008766 0.00000000 3.~~73676268~~73026925 0.00000000 ~~994~~993.~~21690670~~23288040 II-B-3 0.~~00000000~~00008584 0.00000000 3.~~73676681~~73027182 0.00000000 ~~994~~993.~~21690987~~23287554 II-B-4 0.~~00000000~~00008772 0.00000000 3.~~73676692~~73026316 0.00000000 ~~994~~993.~~21690476~~23288221 II-B-5 0.~~00000000~~00008016 0.00000000 3.~~73675351~~73026052 0.00000000 ~~994~~993.~~21691383~~23288577 II-B-6 0.~~00000000~~00009987 0.00000000 3.~~73676734~~73027591 0.00000000 ~~994~~993.~~21690055~~23286618 (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-IO 0.00500% ~~733,778,356.10~~ 721,102,470.84 709,027,292.28 0.00 0.00 9391.~~43052236~~86598710% II-A-IO 0.00500% ~~187,629,423.38~~ 182,337,552.60 179,547,778.86 0.00 0.00 9493.~~45583952~~01066041%

CERTIFICATEHOLDER ACCOUNT STATEMENT CERTIFICATE ACCOUNT Beginning Balance ~~162,791~~0.1200 Deposits Payments of Interest and Principal 2118,~~441~~926,~~461~~155.2165 Liquidations, Insurance Proceeds, Reserve Funds 0.00 Proceeds from Repurchased Loans 0.00 Other Amounts (Servicer Advances) ~~202,494~~0.4300 Realized Loss (Gains, Subsequent Expenses & Recoveries) 0.00 Prepayment Penalties 0.00 Total Deposits 2118,~~643~~926,~~955~~155.6465 Withdrawals Reimbursement for Servicer Advances 0202,494.0043 Payment of Service Fee ~~201~~191,~~363~~326.4830 Payment of Interest and Principal 2118,~~605~~432,~~383~~958.3121 Total Withdrawals (Pool Distribution Amount) 2118,~~806~~826,~~746~~778.7994 Ending Balance 099,376.0071

PREPAYMENT/CURTAILMENT INTEREST SHORTFALL Total Prepayment/Curtailment Interest Shortfall 612,~~475~~163.3387 Servicing Fee Support 512,~~890~~072.7421 Non-Supported Prepayment/Curtailment Interest Shortfall ~~584~~91.5966

SERVICING FEES Gross Servicing Fee ~~199~~195,~~282~~575.9049 Master Servicing Fee 7,~~971~~823.3202 Supported Prepayment/Curtailment Interest Shortfall 512,~~890~~072.7421 Net Servicing Fee ~~201~~191,~~363~~326.4830

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 02 0 0 02 0651,920.00 0.00 0.00 0651,920.00 30 Days 23 0 0 0 23 ~~921~~1,~~353~~298,897.6534 0.00 0.00 0.00 ~~921~~1,~~353~~298,897.6534 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 3 2 0 0 05 ~~2 921~~1,~~353~~298,897.6534 0651,920.00 0.00 0.00 ~~921~~1,~~353~~950,817.6534 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~~081301% 0.000000% 0.000000% 0.~~000000~~081301% 0.~~000000~~070199% 0.000000% 0.000000% 0.~~000000~~070199% 30 Days 0.~~080032~~121951% 0.000000% 0.000000% 0.000000% 0.~~080032~~121951% 0.~~097082~~139865% 0.000000% 0.000000% 0.000000% 0.~~097082~~139865% 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.~~080032~~121951% 0.~~000000~~081301% 0.000000% 0.000000% 0.~~080032~~203252% 0.~~097082~~139865% 0.~~000000~~070199% 0.000000% 0.000000% 0.~~097082~~210064%

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 02 0 0 02 0651,920.00 0.00 0.00 0651,920.00 30 Days 23 0 0 0 23 ~~921~~1,~~353~~298,897.6534 0.00 0.00 0.00 ~~921~~1,~~353~~298,897.6534 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 3 2 0 0 05 ~~2 921~~1,~~353~~298,897.6534 0651,920.00 0.00 0.00 ~~921~~1,~~353~~950,817.6534 0-29 Days 0.~~000000~~095465% 0.000000% 0.000000% 0.~~000000~~095465% 0.~~000000~~088069% 0.000000% 0.000000% 0.~~000000~~088069% 30 Days 0.~~093941~~143198% 0.000000% 0.000000% 0.000000% 0.~~093941~~143198% 0.~~122830~~175471% 0.000000% 0.000000% 0.000000% 0.~~122830~~175471% 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.~~093941~~143198% 0.~~000000~~095465% 0.000000% 0.000000% 0.~~093941~~238663% 0.~~122830~~175471% 0.~~000000~~088069% 0.000000% 0.000000% 0.~~122830~~263541% 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%

OTHER INFORMATION Current Period Class A Insufficient Funds 0.00 Principal Balance of Contaminated Properties 0.00 Periodic Advance ~~406~~110,~~003~~421.3144

COLLATERAL STATEMENT Collateral Description 5/1 CMT ARM Weighted Average Gross Coupon 4.~~814669~~811845% Weighted Average Net Coupon 4.~~554669~~551845% Weighted Average Pass-Through Rate 4.~~554669~~551845% Weighted Average Maturity(Stepdown Calculation) ~~353~~352 Beginning Scheduled Collateral Loan Count 2,~~544~~499 Number Of Loans Paid In Full 4539 Ending Scheduled Collateral Loan Count 2,~~499~~460 Beginning Scheduled Collateral Balance ~~956~~938,~~785~~810,~~032~~319.3179 Ending Scheduled Collateral Balance 923,938,~~810,319~~278.79 Ending Actual Collateral Balance at 3029-~~Jun~~Jul-2005 ~~949~~928,~~049~~679,~~730~~325.4245 Monthly P&I Constant 43,~~046~~970,~~962~~943.8945 Special Servicing Fee 0.00 Prepayment Penalties 0.00 Realized Loss Amount 0.00 Cumulative Realized Loss 0.00 Ending Scheduled Balance for Premium Loans 923,938,~~810,319~~278.79 Scheduled Principal ~~204~~202,~~085~~708.6773 Unscheduled Principal 1714,~~770~~669,~~626~~332.8527 Unpaid Principal Balance Of Outstanding Mortgage Loans With Original LTV: Less Than Or Equal To 80% ~~916~~902,~~951~~233,~~616~~468.7337 Greater Than 80%, less than or equal to 85% 3,~~606~~604,~~525~~954.0619 Greater than 85%, less than or equal to 95% 1514,~~060~~891,~~164~~985.2286 Greater than 95% 3,195,048.59

Group Level Collateral Statement Group 1 2 Total Collateral Description 5/1 CMT ARM 5/1 CMT ARM 5/1 CMT ARM Weighted Average Coupon Rate 4.~~827110~~824277 4.~~765827~~762489 4.~~814669~~811845 Weighted Average Net Rate 4.~~567110~~564277 4.~~505827~~502489 4.~~554669~~551845 Weighted Average Maturity ~~353~~ 352 ~~353~~351 352 Beginning Loan Count 2,~~165~~129 ~~379~~370 2,~~544~~499 Loans Paid In Full 3634 95 4539 Ending Loan Count 2,~~129~~095 ~~370~~365 2,~~499~~460 Beginning Scheduled Balance ~~762~~749,~~598~~922,~~973~~472.1751 ~~194~~188,~~186~~887,~~059~~847.1428 ~~956~~938,~~785~~810,~~032~~319.3179 Ending Scheduled Balance ~~749~~737,~~922~~846,~~472~~688.5137 ~~188~~186,~~887~~091,~~847~~590.2842 923,938,~~810,319~~278.79 Record Date 0607/3029/2005 0607/3029/2005 0607/3029/2005 Principal And Interest Constant 3,~~083~~031,~~072~~194.8922 ~~963~~939,~~890~~749.0023 43,~~046~~970,~~962~~943.8945 Scheduled Principal 1615,~~283~~757.7073 ~~187~~186,~~801~~951.9700 ~~204~~202,~~085~~708.6773 Unscheduled Principal 12,~~660~~060,~~216~~026.9641 52,~~110~~609,~~409~~305.8986 1714,~~770~~669,~~626~~332.8527 Scheduled Interest 3,~~066~~014,~~709~~690.2662 ~~771~~749,~~215~~625.7410 3,~~837~~764,~~925~~315.0072 Servicing Fees ~~158~~156,~~827~~225.4000 4039,~~455~~350.5049 ~~199~~195,~~282~~575.9049 Master Servicing Fees 6,~~353~~249.1000 1,~~618~~574.2202 7,~~971~~823.3202 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 2,~~901~~852,~~528~~216.7761 ~~729~~708,~~142~~700.0259 3,~~630~~560,~~670~~917.7820 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 2005-AR1 Trust