8-K 1 wfm0200b.txt DECEMBER 8K 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): December 26, 2002 WELLS FARGO ASSET SECURITIES CORPORATION Mortgage Pass-Through Certificates, Series 2002-B Trust (Exact name of registrant as specified in its charter) New York (governing law of 333-74308-13 Pooling and Servicing Agreement) (Commission 01-0725393 (State or other File Number) IRS EIN jurisdiction of Incorporation) c/o Wells Fargo Bank Minnesota, 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) ITEM 5. Other Events On December 26, 2002 a distribution was made to holders of WELLS FARGO ASSET SECURITIES CORPORATION, Mortgage Pass-Through Certificates, Series 2002-B Trust. ITEM 7. Financial Statements and Exhibits (c) Exhibits furnished in accordance with Item 601(a) of Regulation S-K Exhibit Number Description EX-99.1 Monthly report distributed to holders of Mortgage Pass-Through Certificates, Series 2002-B Trust, relating to the December 26, 2002 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 2002-B Trust By: Wells Fargo Bank Minnesota, N.A. as Master Servicer By: /s/ Beth Belfield, Assistant Vice President By: Beth Belfield, Assistant Vice President Date: 1/6/03 INDEX TO EXHIBITS Exhibit Number Description EX-99.1 Monthly report distributed to holders of Mortgage Pass-Through Certificates, Series 2002-B Trust, relating to the December 26, 2002 distribution. EX-99.1

Wells Fargo Asset Securities Corporation Mortgage Pass-Through Certificates Record Date: 1011/3130/02 Distribution Date: 1112/2526/02 WFMBS Series: 2002-B Contact: Customer Service - SecuritiesLink Wells Fargo Bank Minnesota, N.A. Securities Administration Services 7485 New Horizon Way Frederick, MD 21703 Telephone: (301) 846-8130 Fax: (301) 815-6660 Certificateholder Distribution Summary Certificate Certificate Beginning Class Pass-Through Certificate Interest Principal Class CUSIP Description Rate Balance Distribution Distribution A-1 94978MAA0 SEQ 6.15000% 8482,~~393~~622,~~979~~562.5559 ~~432~~423,~~519~~429.1599 1,~~771~~755,~~416~~354.9659 A-2 94978MAB8 SEQ 6.15000% 5135,~~501~~725,~~536~~043.6866 ~~263~~183,~~945~~086.3825 1513,~~776~~221,~~493~~287.0346 A-3 94978MAC6 PO 0.00000% 3,~~519~~325,~~451~~255.0227 0.00 ~~194~~69,~~195~~648.7596 A-4 94978MAD4 IO 0.~~22046~~21686% 0.00 1211,~~952~~297.7571 0.00 A-R 94978MAK8 RES 6.15000% 0.00 9749.6103 0.00 B-1 94978MAM4 SUB 6.15000% 2,~~769~~767,~~202~~145.4541 14,~~192~~181.1626 2,~~057~~082.0482 B-2 94978MAN2 SUB 6.15000% 1,~~087~~086,~~758~~950.6664 5,~~574~~570.7648 ~~808~~818.0214 B-3 94978MAP7 SUB 6.15000% 790,~~916~~328.1058 4,~~053~~050.4433 ~~587~~594.5188 B-4 94978MAQ5 SUB 6.15000% 295,~~846~~626.4569 1,~~516~~515.2105 ~~219~~222.7652 B-5 94978MAR3 SUB 6.15000% 395,~~458~~164.0529 2,~~026~~025.7217 ~~293~~297.7644 B-6 94978MAS1 SUB 6.15000% 299,~~868~~645.1641 1,~~536~~535.8264 ~~222~~225.7554 Totals ~~145~~127,~~054~~307,~~017~~722.1254 ~~738~~646,~~415~~740.0091 1715,~~746~~050,~~294~~532.5835

Certificateholder Distribution Summary (continued) Current Ending Cumulative Realized Certificate Total Realized Class Loss Balance Distribution Losses A-1 0.00 8280,~~622~~867,~~562~~208.5900 2,~~203~~178,~~936~~784.1158 0.00 A-2 0.00 3522,~~725~~503,~~043~~756.6620 1613,~~040~~404,~~438~~373.4171 0.00 A-3 0.00 3,~~325,~~255,606.2731 ~~194~~69,~~195~~648.7596 0.00 A-4 0.00 0.00 1211,~~952~~297.7571 0.00 A-R 0.00 0.00 9749.6103 0.00 B-1 0.00 2,~~767~~765,~~145~~062.4159 16,~~249~~264.2008 0.00 B-2 0.00 1,086,~~950~~132.6450 6,~~382~~388.7862 0.00 B-3 0.00 ~~790~~789,~~328~~733.5871 4,~~640~~645.9521 0.00 B-4 0.00 295,~~626~~404.6917 1,~~735~~737.9757 0.00 B-5 0.00 ~~395~~394,~~164~~866.2985 2,~~320~~322.4861 0.00 B-6 0.00 299,~~645~~419.4187 1,~~759~~761.5718 0.40 Totals 0.00 ~~127~~112,~~307~~257,~~722~~190.5420 1815,~~484~~697,~~709~~273.5826 0.40 All distributions required by the Pooling and Servicing Agreement have been calculated by the Certificate Administrator on behalf of the Trustee.

Principal Distribution Statement Original Beginning Scheduled Unscheduled Face Certificate Principal Principal Realized Class Amount Balance Distribution Distribution Accretion Loss (1) A-1 93,497,000.00 8482,~~393~~622,~~979~~562.5559 10,~~156~~422.0498 1,~~761~~744,~~260~~931.9161 0.00 0.00 A-2 95,640,000.00 5135,~~501~~725,~~536~~043.6866 9078,~~451~~505.1666 1513,~~686~~142,~~041~~781.8679 0.00 0.00 A-3 3,831,607.77 3,~~519~~325,~~451~~255.0227 3,~~081~~053.2307 ~~191~~66,~~114~~595.5289 0.00 0.00 A-4 0.00 0.00 0.00 0.00 0.00 0.00 A-R 50.00 0.00 0.00 0.00 0.00 0.00 B-1 2,780,000.00 2,~~769~~767,~~202~~145.4541 2,~~057~~082.0482 0.00 0.00 0.00 B-2 1,092,000.00 1,~~087~~086,~~758~~950.6664 ~~808~~818.0214 0.00 0.00 0.00 B-3 794,000.00 790,~~916~~328.1058 ~~587~~594.5188 0.00 0.00 0.00 B-4 297,000.00 295,~~846~~626.4569 ~~219~~222.7652 0.00 0.00 0.00 B-5 397,000.00 395,~~458~~164.0529 ~~293~~297.7644 0.00 0.00 0.00 B-6 301,037.80 299,~~868~~645.1641 ~~222~~225.7554 0.00 0.00 0.00 Totals 198,629,695.57 ~~145~~127,~~054~~307,~~017~~722.1254 ~~107~~96,~~877~~223.2705 1714,~~638~~954,~~417~~309.29 0.00 0.00 (1) Amount Does Not Include Excess Special Hazard, Bankruptcy, or Fraud Losses Unless Otherwise Disclosed. Please Refer to the Prospectus Supplement for a Full Description.

Principal Distribution Statement (continued) Total Ending Ending Total Principal Certificate Certificate Principal Class Reduction Balance Percentage Distribution A-1 1,~~771~~755,~~416~~354.9659 8280,~~622~~867,~~562~~208.5900 0.~~88369212~~86491768 1,~~771~~755,~~416~~354.9659 A-2 1513,~~776~~221,~~493~~287.0346 3522,~~725~~503,~~043~~756.6620 0.~~37353663~~23529649 1513,~~776~~221,~~493~~287.0346 A-3 ~~194~~69,~~195~~648.7596 3,~~325,~~255,606.2731 0.~~86784856~~84967108 ~~194~~69,~~195~~648.7596 A-4 0.00 0.00 0.00000000 0.00 A-R 0.00 0.00 0.00000000 0.00 B-1 2,~~057~~082.0482 2,~~767~~765,~~145~~062.4159 0.~~99537605~~99462683 2,~~057~~082.0482 B-2 ~~808~~818.0214 1,086,~~950~~132.6450 0.~~99537604~~99462683 ~~808~~818.0214 B-3 ~~587~~594.5188 ~~790~~789,~~328~~733.5871 0.~~99537605~~99462684 ~~587~~594.5188 B-4 ~~219~~222.7652 295,~~626~~404.6917 0.~~99537606~~99462684 ~~219~~222.7652 B-5 ~~293~~297.7644 ~~395~~394,~~164~~866.2985 0.~~99537605~~99462683 ~~293~~297.7644 B-6 ~~222~~225.7554 299,~~645~~419.4187 0.~~99537470~~99462549 ~~222~~225.7554 Totals 1715,~~746~~050,~~294~~532.5835 ~~127~~112,~~307~~257,~~722~~190.5420 0.~~64092996~~56515814 1715,~~746~~050,~~294~~532.5835

Principal Distribution Factors Statement Original Beginning Scheduled Unscheduled Face Certificate Principal Principal Class (2) Amount Balance Distribution Distribution Accretion A-1 93,497,000.00 ~~902~~883.~~63836861~~69212477 0.~~10862423~~11147930 18.~~83761950~~66296897 0.00000000 A-2 95,640,000.00 ~~538~~373.~~49369176~~53663384 0.~~94574613~~82084546 ~~164~~137.~~01131179~~41929935 0.00000000 A-3 3,831,607.77 ~~918~~867.~~53113138~~84855591 0.~~80416112~~79681173 4917.~~87841436~~38066472 0.00000000 A-4 0.00 0.00000000 0.00000000 0.00000000 0.00000000 A-R 50.00 0.00000000 0.00000000 0.00000000 0.00000000 B-1 2,780,000.00 ~~996~~995.~~11598921~~37604676 0.~~73994245~~74921583 0.00000000 0.00000000 B-2 1,092,000.00 ~~996~~995.~~11598901~~37604396 0.~~73994505~~74921245 0.00000000 0.00000000 B-3 794,000.00 ~~996~~995.~~11599496~~37604534 0.~~73993703~~74921914 0.00000000 0.00000000 B-4 297,000.00 ~~996~~995.~~11599327~~37606061 0.~~73993266~~74922559 0.00000000 0.00000000 B-5 397,000.00 ~~996~~995.~~11599496~~37604534 0.~~73994962~~74921914 0.00000000 0.00000000 B-6 301,037.80 ~~996~~995.~~11464075~~37470045 0.~~73994030~~74920824 0.00000000 0.00000000 Per $1,000 Denominations.

Principal Distribution Factors Statement (continued) Total Ending Ending Total Realized Principal Certificate Certificate Principal Class Loss (3) Reduction Balance Percentage Distribution A-1 0.00000000 18.~~94624384~~77444827 ~~883~~864.~~69212477~~91767650 0.~~88369212~~86491768 18.~~94624384~~77444827 A-2 0.00000000 ~~164~~138.~~95705803~~24014492 ~~373~~235.~~53663384~~29648892 0.~~37353663~~23529649 ~~164~~138.~~95705803~~24014492 A-3 0.00000000 5018.~~68257548~~17747645 ~~867~~849.~~84855591~~67107946 0.~~86784856~~84967108 5018.~~68257548~~17747645 A-4 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 A-R 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 B-1 0.00000000 0.~~73994245~~74921583 ~~995~~994.~~37604676~~62683094 0.~~99537605~~99462683 0.~~73994245~~74921583 B-2 0.00000000 0.~~73994505~~74921245 ~~995~~994.~~37604396~~62683150 0.~~99537604~~99462683 0.~~73994505~~74921245 B-3 0.00000000 0.~~73993703~~74921914 ~~995~~994.~~37604534~~62683879 0.~~99537605~~99462684 0.~~73993703~~74921914 B-4 0.00000000 0.~~73993266~~74922559 ~~995~~994.~~37606061~~62683502 0.~~99537606~~99462684 0.~~73993266~~74922559 B-5 0.00000000 0.~~73994962~~74921914 ~~995~~994.~~37604534~~62682620 0.~~99537605~~99462683 0.~~73994962~~74921914 B-6 0.00000000 0.~~73994030~~74920824 ~~995~~994.~~37470045~~62549221 0.~~99537470~~99462549 0.~~73994030~~74920824 (3) Amount Does Not Include Excess Special Hazard, Bankrupcy, or Fraud Losses Unless Otherwise Disclosed. Please Refer to the Prospectus Supplement for a Full Description.

Interest Distribution Statement Beginning Payment of Original Current Certificate/ Current Unpaid Current Face Certificate Notional Accrued Interest Interest Class Amount Rate Balance Interest Shortfall Shortfall A-1 93,497,000.00 6.15000% 8482,~~393~~622,~~979~~562.5559 ~~432~~423,~~519~~440.1563 0.00 0.00 A-2 95,640,000.00 6.15000% 5135,~~501~~725,~~536~~043.6866 ~~263~~183,~~945~~090.3885 0.00 0.00 A-3 3,831,607.77 0.00000% 3,~~519~~325,~~451~~255.0227 0.00 0.00 0.00 A-4 0.00 0.~~22046~~21686% 7062,~~504~~517,~~243~~158.3275 1211,~~952~~297.7599 0.00 0.00 A-R 50.00 6.15000% 0.00 0.00 0.00 0.00 B-1 2,780,000.00 6.15000% 2,~~769~~767,~~202~~145.4541 14,~~192~~181.1662 0.00 0.00 B-2 1,092,000.00 6.15000% 1,~~087~~086,~~758~~950.6664 5,~~574~~570.7662 0.00 0.00 B-3 794,000.00 6.15000% 790,~~916~~328.1058 4,~~053~~050.4443 0.00 0.00 B-4 297,000.00 6.15000% 295,~~846~~626.4569 1,~~516~~515.2109 0.00 0.00 B-5 397,000.00 6.15000% 395,~~458~~164.0529 2,~~026~~025.7222 0.00 0.00 B-6 301,037.80 6.15000% 299,~~868~~645.1641 1,~~536~~535.8268 0.00 0.00 Totals 198,629,695.57 ~~738~~646,~~317~~708.3913 0.00 0.00

Interest Distribution Statement (continued) Remaining Ending Non-Supported Total Unpaid Certificate/ Interest Realized Interest Interest Notional Class Shortfall Losses (4) Distribution Shortfall Balance A-1 010.0064 0.00 ~~432~~423,~~519~~429.1599 0.00 8280,~~622~~867,~~562~~208.5900 A-2 04.0060 0.00 ~~263~~183,~~945~~086.3825 0.00 3522,~~725~~503,~~043~~756.6620 A-3 0.00 0.00 0.00 0.00 3,~~325,~~255,606.2731 A-4 0.0028 0.00 1211,~~952~~297.7571 0.00 6251,~~517~~392,~~158~~196.7581 A-R 0.00 0.00 9749.6103 0.00 0.00 B-1 0.0036 0.00 14,~~192~~181.1626 0.00 2,~~767~~765,~~145~~062.4159 B-2 0.0014 0.00 5,~~574~~570.7648 0.00 1,086,~~950~~132.6450 B-3 0.0010 0.00 4,~~053~~050.4433 0.00 ~~790~~789,~~328~~733.5871 B-4 0.0004 0.00 1,~~516~~515.2105 0.00 295,~~626~~404.6917 B-5 0.0005 0.00 2,~~026~~025.7217 0.00 ~~395~~394,~~164~~866.2985 B-6 0.0004 0.00 1,~~536~~535.8264 0.00 299,~~645~~419.4187 Totals 016.0025 0.00 ~~738~~646,~~415~~740.0091 0.00 (4) Amount Does Not Include Excess Special Hazard, Bankrupcy, or Fraud Losses Unless Otherwise Disclosed. Please Refer to the Prospectus Supplement for a Full Description.

Interest Distribution Factors Statement Beginning Payment of Original Current Certificate/ Current Unpaid Current Face Certificate Notional Accrued Interest Interest Class (5) Amount Rate Balance Interest Shortfall Shortfall A-1 93,497,000.00 6.15000% ~~902~~883.~~63836861~~69212477 4.~~62602169~~52892210 0.00000000 0.00000000 A-2 95,640,000.00 6.15000% ~~538~~373.~~49369176~~53663384 21.~~75978022~~91437526 0.00000000 0.00000000 A-3 3,831,607.77 0.00000% ~~918~~867.~~53113138~~84855591 0.00000000 0.00000000 0.00000000 A-4 0.00 0.~~22046~~21686% ~~647~~574.~~40339844~~06220008 0.~~11893829~~10374350 0.00000000 0.00000000 A-R 50.00 6.15000% 0.00000000 0.00000000 0.00000000 0.00000000 B-1 2,780,000.00 6.15000% ~~996~~995.~~11598921~~37604676 5.~~10509353~~10130216 0.00000000 0.00000000 B-2 1,092,000.00 6.15000% ~~996~~995.~~11598901~~37604396 5.~~10509158~~10130037 0.00000000 0.00000000 B-3 794,000.00 6.15000% ~~996~~995.~~11599496~~37604534 5.~~10508816~~10129723 0.00000000 0.00000000 B-4 297,000.00 6.15000% ~~996~~995.~~11599327~~37606061 5.~~10508418~~10131313 0.00000000 0.00000000 B-5 397,000.00 6.15000% ~~996~~995.~~11599496~~37604534 5.~~10508816~~10130982 0.00000000 0.00000000 B-6 301,037.80 6.15000% ~~996~~995.~~11464075~~37470045 5.~~10507318~~10128628 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 A-1 0.~~00000000~~00011380 0.00000000 4.~~62602169~~52880830 0.00000000 ~~883~~864.~~69212477~~91767650 A-2 0.~~00000000~~00004810 0.00000000 21.~~75978022~~91432716 0.00000000 ~~373~~235.~~53663384~~29648892 A-3 0.00000000 0.00000000 0.00000000 0.00000000 ~~867~~849.~~84855591~~67107946 A-4 0.~~00000000~~00000257 0.00000000 0.~~11893829~~10374093 0.00000000 ~~574~~471.~~06220008~~90752359 A-R 0.00000000 0.00000000 ~~1952~~980.~~20000000~~60000000 0.00000000 0.00000000 B-1 0.~~00000000~~00012950 0.00000000 5.~~10509353~~10117266 0.00000000 ~~995~~994.~~37604676~~62683094 B-2 0.~~00000000~~00012821 0.00000000 5.~~10509158~~10117216 0.00000000 ~~995~~994.~~37604396~~62683150 B-3 0.~~00000000~~00012594 0.00000000 5.~~10508816~~10117128 0.00000000 ~~995~~994.~~37604534~~62683879 B-4 0.~~00000000~~00013468 0.00000000 5.~~10508418~~10117845 0.00000000 ~~995~~994.~~37606061~~62683502 B-5 0.~~00000000~~00012594 0.00000000 5.~~10508816~~10118388 0.00000000 ~~995~~994.~~37604534~~62682620 B-6 0.~~00000000~~00013287 0.00000000 5.~~10507318~~10115341 0.00000000 ~~995~~994.~~37470045~~62549221 (6) Amount Does Not Include Excess Special Hazard, Bankrupcy,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 1815,~~431~~845,~~781~~732.6345 Liquidations, Insurance Proceeds, Reserve Funds 0.00 Proceeds from Repurchased Loans 0.00 Other Amounts (Servicer Advances) ~~117~~1,~~820~~428.3265 Realized Losses 0.00 Prepayment Penalties 0.00 Total Deposits 1815,~~549~~847,~~601~~161.9510 Withdrawals Reimbursement for Servicer Advances 27117,~~873~~820.8532 Payment of Service Fee 3732,~~018~~067.5154 Payment of Interest and Principal 1815,~~484~~697,~~709~~273.5925 Total Withdrawals (Pool Distribution Amount) 1815,~~549~~847,~~601~~161.9511 Ending Balance 0.00

PREPAYMENT/CURTAILMENT INTEREST SHORTFALL Total Prepayment/Curtailment Interest Shortfall 109,~~365~~534.8081 Servicing Fee Support 109,~~365~~518.8056 Non-Supported Prepayment/Curtailment Interest Shortfall 016.0025

SERVICING FEES Gross Servicing Fee 4539,~~329~~782.3862 Master Servicing Fee 21,~~054~~803.9348 Supported Prepayment/Curtailment Interest Shortfall 109,~~365~~518.8056 Net Servicing Fee 3732,~~018~~067.5154

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 12 0 0 0 12 ~~378~~1,~~462~~051,399.4588 0.00 0.00 0.00 ~~378~~1,~~462~~051,399.4588 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 12 0 0 0 12 ~~378~~1,~~462~~051,399.4588 0.00 0.00 0.00 ~~378~~1,~~462~~051,399.4588 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.~~361011~~803213% 0.000000% 0.000000% 0.000000% 0.~~361011~~803213% 0.~~280369~~858938% 0.000000% 0.000000% 0.000000% 0.~~280369~~858938% 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.~~361011~~803213% 0.000000% 0.000000% 0.000000% 0.~~361011~~803213% 0.~~280369~~858938% 0.000000% 0.000000% 0.000000% 0.~~280369~~858938%

OTHER INFORMATION Current Period Class A Insufficient Funds 0.00 Principal Balance of Contaminated Properties 0.00 Periodic Advance ~~123~~25,~~109~~176.5484

SUBORDINATION LEVEL/CLASS PERCENTAGE AND PREPAYMENT PERCENTAGE Current Original $ Original % Current $ Current % Class% Prepayment% Class A 5,661,037.80 2.85004605% 5,~~634~~630,~~861~~619.0269 45.~~42617375~~01582095% 9594.~~573826~~984179% 100.000000% Class B-1 2,881,037.80 1.45045674% 2,~~867~~865,~~715~~557.6110 2.~~25258574~~55267131% 2.~~173588~~463150% 0.000000% Class B-2 1,789,037.80 0.90069000% 1,~~780~~779,~~764~~424.9760 1.~~39878786~~58513195% 0.~~853798~~967539% 0.000000% Class B-3 995,037.80 0.50095118% ~~990~~989,~~436~~690.3989 0.~~77798610~~88162806% 0.~~620802~~703504% 0.000000% Class B-4 698,037.80 0.35142671% 694,~~809~~286.7072 0.~~54577184~~61847862% 0.~~232214~~263149% 0.000000% Class B-5 301,037.80 0.15155730% 299,~~645~~419.4187 0.~~23537096~~26672667% 0.~~310401~~351752% 0.000000% Class B-6 0.00 0.00000000% 0.00 0.00000000% 0.~~235371~~266727% 0.000000% Please Refer to the Prospectus Supplement for a Full Description of Loss Exposure

COLLATERAL STATEMENT Collateral Description 7/1 CMT ARM Weighted Average Gross Coupon 6.~~500745~~488326% Weighted Average Net Coupon 6.~~108745~~096326% Weighted Average Pass-Through Rate 6.~~108745~~096326% Weighted Average Maturity(Stepdown Calculation ) ~~352~~351 Beginning Scheduled Collateral Loan Count ~~311~~277 Number Of Loans Paid In Full 3428 Ending Scheduled Collateral Loan Count ~~277~~249 Beginning Scheduled Collateral Balance ~~145~~127,~~054~~307,~~017~~722.5395 Ending Scheduled Collateral Balance ~~127~~112,~~307~~257,~~722~~190.9561 Ending Actual Collateral Balance at 3130-~~Oct~~Nov-2002 ~~134~~122,~~987~~407,~~446~~012.2411 Monthly P &I Constant ~~907~~796,~~733~~978.0181 Special Servicing Fee 0.00 Prepayment Penalties 0.00 Realized Loss Amount 0.00 Cumulative Realized Loss 0.00 Class A Optimal Amount 1815,~~451~~664,~~523~~120.0148 Ending Scheduled Balance for Premium Loans 6251,~~517~~392,~~158~~196.7581 Ending scheduled Balance For discounted Loans 6460,~~790~~864,~~564~~993.2080 Scheduled Principal ~~107~~96,~~877~~223.2805 Unscheduled Principal 1714,~~638~~954,~~417~~309.3029 Unpaid Principal Balance Of Outstanding Mortgage Loans With Original LTV: Less Than Or Equal To 80% ~~124~~109,~~928~~866,~~407~~733.2541 Greater Than 80%, less than or equal to 85% 0.00 Greater than 85%, less than or equal to 95% 2,~~396~~390,~~217~~143.9884 Greater than 95% 0.00

Filing Compare · WELLS FARGO MORTGAGE BACKED SECURITIES 2002-B TRUST