8-K 1 wfm01004.txt NOVEMBER 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): November 26, 2001 WELLS FARGO ASSET SECURITIES CORPORATION Mortgage Pass-Through Certificates, Series 2001-4 Trust (Exact name of registrant as specified in its charter) New York (governing law of 333-48720-05 Pooling and Servicing Agreement) (Commission 52-2313838 (State or other File Number) IRS EIN jurisdiction of Incorporation) c/o Wells Fargo Bank Minnesota, N.A. 11000 Broken Land Parkway Columbia, MD 21044 (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 November 26, 2001 a distribution was made to holders of WELLS FARGO ASSET SECURITIES CORPORATION, Mortgage Pass-Through Certificates, Series 2001-4 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 2001-4 Trust, relating to the November 26, 2001 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 2001-4 Trust By: Wells Fargo Bank Minnesota, N.A. as Master Servicer By: /s/ Beth Belfield, Officer By: Beth Belfield, Officer Date: 12/4/01 INDEX TO EXHIBITS Exhibit Number Description EX-99.1 Monthly report distributed to holders of Mortgage Pass-Through Certificates, Series 2001-4 Trust, relating to the November 26, 2001 distribution. EX-99.1

Wells Fargo Asset Securities Corporation Mortgage Pass-Through Certificates Record Date: 910/3031/01 Distribution Date: 1011/2526/01 WFMBS Series: 2001-4 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-PO 94976NAQ5 PO 0.00000% 13,~~109~~098.4951 0.00 1011.9805 A-1 94976NAA0 SEQ 7.00000% 0.00 0.00 0.00 A-2 94976NAB8 SEQ 7.00000% 5448,~~370~~648,~~292~~217.1361 ~~317~~283,~~160~~781.0427 5,~~722~~824,~~074~~004.5399 A-3 94976NAC6 SEQ 7.00000% 17,832,000.00 104,020.00 0.00 A-4 94976NAD4 SEQ 7.00000% 67,900,000.00 396,083.33 0.00 A-5 94976NAE2 SEQ 7.00000% 9985,~~343~~328,~~342~~414.6829 ~~579~~497,~~502~~749.8308 14,~~014~~264,~~928~~584.3903 A-6 94976NAF9 SEQ 7.00000% 9987,~~804~~177,~~747~~321.1353 ~~582~~508,~~194~~534.3638 12,~~627~~852,~~425~~364.6089 A-7 94976NAG7 SEQ 7.00000% 0.00 0.00 0.00 A-8 94976NAH5 SEQ 7.00000% 0.00 0.00 0.00 A-9 94976NAJ1 SEQ 7.00000% 4,436,000.00 25,876.67 0.00 A-10 94976NAK8 SEQ 7.00000% 1,810,000.00 10,558.33 0.00 A-11 94976NAL6 SEQ 7.00000% 1,000,000.00 5,833.33 0.00 A-12 94976NAM4 SEQ 7.00000% 2,754,000.00 16,065.00 0.00 A-13 94976NAN2 SEQ 7.00000% 4,000,000.00 23,333.33 0.00 A-14 94976NAP7 SEQ 7.00000% 2118,~~703~~957,~~176~~262.9394 ~~126~~110,~~601~~584.8703 2,~~745~~794,~~914~~828.0047 A-R 94976NAR3 RES 7.00000% 0.00 0.00 0.00 B-1 94976NAS1 SUB 7.00000% 11,~~856~~848,~~005~~211.3305 69,~~160~~114.0356 7,~~794~~775.2833 B-2 94976NAT9 SUB 7.00000% 5,~~419~~416,~~774~~211.3735 31,~~615~~594.3557 3,~~563~~554.0236 B-3 94976NAU6 SUB 7.00000% 2,~~708~~707,~~891~~110.6478 15,~~801~~791.8748 1,~~780~~776.8653 B-4 94976NAV4 SUB 7.00000% 2,~~032~~031,~~913~~576.1670 11,~~858~~850.6686 1,~~336~~333.4621 B-5 94976NAW2 SUB 7.00000% 1,354,~~943~~052.5984 7,~~903~~898.8464 ~~890~~888.7659 B-6 94976NAX0 SUB 7.00000% 2,~~031~~030,~~546~~210.1559 11,~~850~~842.6990 ~~1,096~~867.8913 Totals ~~400~~365,~~370~~243,~~742~~688.6019 2,~~335~~130,~~419~~511.5376 35,~~126~~751,~~815~~988.7758

Certificateholder Distribution Summary (continued) Current Ending Cumulative Realized Certificate Total Realized Class Loss Balance Distribution Losses A-PO 0.00 13,~~098~~087.5146 1011.9805 0.00 A-1 0.00 0.00 0.00 0.00 A-2 0.00 4842,~~648~~824,~~217~~212.6162 6,~~039~~107,~~234~~786.5726 0.00 A-3 0.00 17,832,000.00 104,020.00 0.00 A-4 0.00 67,900,000.00 396,083.33 0.00 A-5 0.00 8571,~~328~~063,~~414~~830.2926 14,~~594~~762,~~431~~333.2211 0.00 A-6 0.00 8774,~~177~~324,~~321~~956.5364 13,~~209~~360,~~619~~899.9627 0.00 A-7 0.00 0.00 0.00 0.00 A-8 0.00 0.00 0.00 0.00 A-9 0.00 4,436,000.00 25,876.67 0.00 A-10 0.00 1,810,000.00 10,558.33 0.00 A-11 0.00 1,000,000.00 5,833.33 0.00 A-12 0.00 2,754,000.00 16,065.00 0.00 A-13 0.00 4,000,000.00 23,333.33 0.00 A-14 0.00 1816,~~957~~162,~~262~~434.9446 2,~~872~~905,~~515~~412.8750 0.00 A-R 0.00 0.00 0.00 0.00 B-1 0.00 11,~~848~~840,~~211~~435.0572 76,~~954~~889.3189 0.00 B-2 0.00 5,~~416~~412,~~211~~656.3599 35,~~178~~148.3793 0.00 B-3 0.00 2,~~707~~705,~~110~~334.7825 17,~~582~~568.7301 0.00 B-4 0.00 2,~~031~~030,~~576~~243.7049 13,~~195~~184.1207 0.00 B-5 0.00 1,~~354~~353,~~052~~164.8425 8,~~794~~787.6023 0.00 B-6 ~~238~~465.6718 2,~~030~~028,~~210~~878.5928 12,~~947~~710.5803 56,~~763~~228.0826 Totals ~~238~~465.6718 ~~365~~329,~~243~~491,~~688~~234.1942 37,~~462~~882,~~235~~500.3034 56,~~763~~228.0826 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 13,184.57 13,~~109~~098.4951 1011.9805 0.00 0.00 0.00 A-1 59,300,000.00 0.00 0.00 0.00 0.00 0.00 A-2 100,000,000.00 5448,~~370~~648,~~292~~217.1361 4036,~~172~~346.9254 5,~~681~~787,~~901~~658.6045 0.00 0.00 A-3 17,832,000.00 17,832,000.00 0.00 0.00 0.00 0.00 A-4 67,900,000.00 67,900,000.00 0.00 0.00 0.00 0.00 A-5 151,803,000.00 9985,~~343~~328,~~342~~414.6829 9889,~~394~~022.5064 1314,~~916~~175,~~533~~561.8939 0.00 0.00 A-6 151,700,000.00 9987,~~804~~177,~~747~~321.1353 8880,~~653~~209.2724 12,~~538,~~772,155.3465 0.00 0.00 A-7 48,800,000.00 0.00 0.00 0.00 0.00 0.00 A-8 3,600,000.00 0.00 0.00 0.00 0.00 0.00 A-9 4,436,000.00 4,436,000.00 0.00 0.00 0.00 0.00 A-10 1,810,000.00 1,810,000.00 0.00 0.00 0.00 0.00 A-11 1,000,000.00 1,000,000.00 0.00 0.00 0.00 0.00 A-12 2,754,000.00 2,754,000.00 0.00 0.00 0.00 0.00 A-13 4,000,000.00 4,000,000.00 0.00 0.00 0.00 0.00 A-14 40,000,000.00 2118,~~703~~957,~~176~~262.9394 1917,~~278~~442.2201 2,~~726~~777,~~635~~386.7847 0.00 0.00 A-R 100.00 0.00 0.00 0.00 0.00 0.00 B-1 11,909,000.00 11,~~856~~848,~~005~~211.3305 7,~~794~~775.2833 0.00 0.00 0.00 B-2 5,444,000.00 5,~~419~~416,~~774~~211.3735 3,~~563~~554.0236 0.00 0.00 0.00 B-3 2,721,000.00 2,~~708~~707,~~891~~110.6478 1,~~780~~776.8653 0.00 0.00 0.00 B-4 2,042,000.00 2,~~032~~031,~~913~~576.1670 1,~~336~~333.4621 0.00 0.00 0.00 B-5 1,361,000.00 1,354,~~943~~052.5984 ~~890~~888.7659 0.00 0.00 0.00 B-6 2,040,626.87 2,~~031~~030,~~546~~210.1559 ~~1,096~~867.8913 0.00 0.00 ~~238~~465.6718 Totals 680,465,911.44 ~~400~~365,~~370~~243,~~742~~688.6019 ~~262~~239,~~972~~226.1663 3435,~~863~~512,~~843~~761.6196 0.00 ~~238~~465.6718 (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 1011.9805 13,~~098~~087.5146 0.~~99347267~~99263457 1011.9805 A-1 0.00 0.00 0.00000000 0.00 A-2 5,~~722~~824,~~074~~004.5399 4842,~~648~~824,~~217~~212.6162 0.~~48648218~~42824213 5,~~722~~824,~~074~~004.5399 A-3 0.00 17,832,000.00 1.00000000 0.00 A-4 0.00 67,900,000.00 1.00000000 0.00 A-5 14,~~014~~264,~~928~~584.3903 8571,~~328~~063,~~414~~830.2926 0.~~56209966~~46813192 14,~~014~~264,~~928~~584.3903 A-6 12,~~627~~852,~~425~~364.6089 8774,~~177~~324,~~321~~956.5364 0.~~57466923~~48994698 12,~~627~~852,~~425~~364.6089 A-7 0.00 0.00 0.00000000 0.00 A-8 0.00 0.00 0.00000000 0.00 A-9 0.00 4,436,000.00 1.00000000 0.00 A-10 0.00 1,810,000.00 1.00000000 0.00 A-11 0.00 1,000,000.00 1.00000000 0.00 A-12 0.00 2,754,000.00 1.00000000 0.00 A-13 0.00 4,000,000.00 1.00000000 0.00 A-14 2,~~745~~794,~~914~~828.0047 1816,~~957~~162,~~262~~434.9446 0.~~47393157~~40406086 2,~~745~~794,~~914~~828.0047 A-R 0.00 0.00 0.00000000 0.00 B-1 7,~~794~~775.2833 11,~~848~~840,~~211~~435.0572 0.~~99489555~~99424265 7,~~794~~775.2833 B-2 3,~~563~~554.0236 5,~~416~~412,~~211~~656.3599 0.~~99489555~~99424265 3,~~563~~554.0236 B-3 1,~~780~~776.8653 2,~~707~~705,~~110~~334.7825 0.~~99489555~~99424265 1,~~780~~776.8653 B-4 1,~~336~~333.4621 2,~~031~~030,~~576~~243.7049 0.~~99489554~~99424265 1,~~336~~333.4621 B-5 ~~890~~888.7659 1,~~354~~353,~~052~~164.8425 0.~~99489555~~99424265 ~~890~~888.7659 B-6 1,~~335~~332.5631 2,~~030~~028,~~210~~878.5928 0.~~99489555~~99424266 ~~1,096~~867.8913 Totals 35,~~127~~752,~~054~~453.4476 ~~365~~329,~~243~~491,~~688~~234.1942 0.~~53675531~~48421417 35,~~126~~751,~~815~~988.7758

Principal Distribution Factors Statement Original Beginning Scheduled Unscheduled Face Certificate Principal Principal Class (2) Amount Balance Distribution Distribution Accretion A-PO 13,184.57 ~~994~~993.~~30546465~~47267298 0.~~83279166~~83810090 0.00000000 0.00000000 A-1 59,300,000.00 0.00000000 0.00000000 0.00000000 0.00000000 A-2 100,000,000.00 ~~543~~486.~~70292130~~48217610 0.~~40172920~~36346540 5657.~~81901600~~87658450 0.00000000 A-3 17,832,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 A-4 67,900,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 A-5 151,803,000.00 ~~654~~562.~~42278927~~09965738 0.~~64817230~~58643531 9193.~~67495959~~38129938 0.00000000 A-6 151,700,000.00 ~~657~~574.~~90868247~~66922564 0.~~58439862~~52873593 8284.~~65505827~~19351121 0.00000000 A-7 48,800,000.00 0.00000000 0.00000000 0.00000000 0.00000000 A-8 3,600,000.00 0.00000000 0.00000000 0.00000000 0.00000000 A-9 4,436,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 A-10 1,810,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 A-11 1,000,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 A-12 2,754,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 A-13 4,000,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 A-14 40,000,000.00 ~~542~~473.~~57942325~~93157350 0.~~48195550~~43605025 6869.~~16589450~~43466175 0.00000000 A-R 100.00 0.00000000 0.00000000 0.00000000 0.00000000 B-1 11,909,000.00 ~~995~~994.~~55003191~~89554539 0.~~65448652~~65289529 0.00000000 0.00000000 B-2 5,444,000.00 ~~995~~994.~~55003123~~89554555 0.~~65448567~~65289493 0.00000000 0.00000000 B-3 2,721,000.00 ~~995~~994.~~55003308~~89554576 0.~~65448732~~65289599 0.00000000 0.00000000 B-4 2,042,000.00 ~~995~~994.~~55002938~~89554358 0.~~65448580~~65289422 0.00000000 0.00000000 B-5 1,361,000.00 ~~995~~994.~~55002939~~89554739 0.~~65448935~~65289493 0.00000000 0.00000000 B-6 2,040,626.87 ~~995~~994.~~55003409~~89554893 0.~~53752600~~42493315 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 0.~~83279166~~83810090 ~~993~~992.~~47267298~~63457208 0.~~99347267~~99263457 0.~~83279166~~83810090 A-1 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 A-2 0.00000000 5758.~~22074530~~24004990 ~~486~~428.~~48217610~~24212620 0.~~48648218~~42824213 5758.~~22074530~~24004990 A-3 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 A-4 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 A-5 0.00000000 9293.~~32313189~~96773470 ~~562~~468.~~09965738~~13192269 0.~~56209966~~46813192 9293.~~32313189~~96773470 A-6 0.00000000 8384.~~23945682~~72224713 ~~574~~489.~~66922564~~94697851 0.~~57466923~~48994698 8384.~~23945682~~72224713 A-7 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 A-8 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 A-9 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 A-10 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 A-11 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 A-12 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 A-13 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 A-14 0.00000000 6869.~~64785000~~87071175 ~~473~~404.~~93157350~~06086150 0.~~47393157~~40406086 6869.~~64785000~~87071175 A-R 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 B-1 0.00000000 0.~~65448652~~65289529 994.~~89554539~~24265010 0.~~99489555~~99424265 0.~~65448652~~65289529 B-2 0.00000000 0.~~65448567~~65289493 994.~~89554555~~24265062 0.~~99489555~~99424265 0.~~65448567~~65289493 B-3 0.00000000 0.~~65448732~~65289599 994.~~89554576~~24264976 0.~~99489555~~99424265 0.~~65448732~~65289599 B-4 0.00000000 0.~~65448580~~65289422 994.~~89554358~~24264936 0.~~99489554~~99424265 0.~~65448580~~65289422 B-5 0.00000000 0.~~65448935~~65289493 994.~~89554739~~24265246 0.~~99489555~~99424265 0.~~65448935~~65289493 B-6 0.~~11695916~~22795936 0.~~65448516~~65289251 994.~~89554893~~24265642 0.~~99489555~~99424266 0.~~53752600~~42493315 (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-PO 13,184.57 0.00000% 13,~~109~~098.4951 0.00 0.00 0.00 A-1 59,300,000.00 7.00000% 0.00 0.00 0.00 0.00 A-2 100,000,000.00 7.00000% 5448,~~370~~648,~~292~~217.1361 ~~317~~283,~~160~~781.0427 0.00 0.00 A-3 17,832,000.00 7.00000% 17,832,000.00 104,020.00 0.00 0.00 A-4 67,900,000.00 7.00000% 67,900,000.00 396,083.33 0.00 0.00 A-5 151,803,000.00 7.00000% 9985,~~343~~328,~~342~~414.6829 ~~579~~497,~~502~~749.8308 0.00 0.00 A-6 151,700,000.00 7.00000% 9987,~~804~~177,~~747~~321.1353 ~~582~~508,~~194~~534.3638 0.00 0.00 A-7 48,800,000.00 7.00000% 0.00 0.00 0.00 0.00 A-8 3,600,000.00 7.00000% 0.00 0.00 0.00 0.00 A-9 4,436,000.00 7.00000% 4,436,000.00 25,876.67 0.00 0.00 A-10 1,810,000.00 7.00000% 1,810,000.00 10,558.33 0.00 0.00 A-11 1,000,000.00 7.00000% 1,000,000.00 5,833.33 0.00 0.00 A-12 2,754,000.00 7.00000% 2,754,000.00 16,065.00 0.00 0.00 A-13 4,000,000.00 7.00000% 4,000,000.00 23,333.33 0.00 0.00 A-14 40,000,000.00 7.00000% 2118,~~703~~957,~~176~~262.9394 ~~126~~110,~~601~~584.8703 0.00 0.00 A-R 100.00 7.00000% 0.00 0.00 0.00 0.00 B-1 11,909,000.00 7.00000% 11,~~856~~848,~~005~~211.3305 69,~~160~~114.0356 0.00 0.00 B-2 5,444,000.00 7.00000% 5,~~419~~416,~~774~~211.3735 31,~~615~~594.3557 0.00 0.00 B-3 2,721,000.00 7.00000% 2,~~708~~707,~~891~~110.6478 15,~~801~~791.8748 0.00 0.00 B-4 2,042,000.00 7.00000% 2,~~032~~031,~~913~~576.1670 11,~~858~~850.6686 0.00 0.00 B-5 1,361,000.00 7.00000% 1,354,~~943~~052.5984 7,~~903~~898.8464 0.00 0.00 B-6 2,040,626.87 7.00000% 2,~~031~~030,~~546~~210.1559 11,~~850~~842.6990 0.00 0.00 Totals 680,465,911.44 2,~~335~~130,~~419~~511.5376 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 13,~~098~~087.5146 A-1 0.00 0.00 0.00 0.00 0.00 A-2 0.00 0.00 ~~317~~283,~~160~~781.0427 0.00 4842,~~648~~824,~~217~~212.6162 A-3 0.00 0.00 104,020.00 0.00 17,832,000.00 A-4 0.00 0.00 396,083.33 0.00 67,900,000.00 A-5 0.00 0.00 ~~579~~497,~~502~~749.8308 0.00 8571,~~328~~063,~~414~~830.2926 A-6 0.00 0.00 ~~582~~508,~~194~~534.3638 0.00 8774,~~177~~324,~~321~~956.5364 A-7 0.00 0.00 0.00 0.00 0.00 A-8 0.00 0.00 0.00 0.00 0.00 A-9 0.00 0.00 25,876.67 0.00 4,436,000.00 A-10 0.00 0.00 10,558.33 0.00 1,810,000.00 A-11 0.00 0.00 5,833.33 0.00 1,000,000.00 A-12 0.00 0.00 16,065.00 0.00 2,754,000.00 A-13 0.00 0.00 23,333.33 0.00 4,000,000.00 A-14 0.00 0.00 ~~126~~110,~~601~~584.8703 0.00 1816,~~957~~162,~~262~~434.9446 A-R 0.00 0.00 0.00 0.00 0.00 B-1 0.00 0.00 69,~~160~~114.0356 0.00 11,~~848~~840,~~211~~435.0572 B-2 0.00 0.00 31,~~615~~594.3557 0.00 5,~~416~~412,~~211~~656.3599 B-3 0.00 0.00 15,~~801~~791.8748 0.00 2,~~707~~705,~~110~~334.7825 B-4 0.00 0.00 11,~~858~~850.6686 0.00 2,~~031~~030,~~576~~243.7049 B-5 0.00 0.00 7,~~903~~898.8464 0.00 1,~~354~~353,~~052~~164.8425 B-6 0.00 0.00 11,~~850~~842.6990 0.00 2,~~030~~028,~~210~~878.5928 Totals 0.00 0.00 2,~~335~~130,~~419~~511.5376 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-PO 13,184.57 0.00000% ~~994~~993.~~30546465~~47267298 0.00000000 0.00000000 0.00000000 A-1 59,300,000.00 7.00000% 0.00000000 0.00000000 0.00000000 0.00000000 A-2 100,000,000.00 7.00000% ~~543~~486.~~70292130~~48217610 32.~~17160040~~83781270 0.00000000 0.00000000 A-3 17,832,000.00 7.00000% 1000.00000000 5.83333333 0.00000000 0.00000000 A-4 67,900,000.00 7.00000% 1000.00000000 5.83333328 0.00000000 0.00000000 A-5 151,803,000.00 7.00000% ~~654~~562.~~42278927~~09965738 3.~~81746626~~27891465 0.00000000 0.00000000 A-6 151,700,000.00 7.00000% ~~657~~574.~~90868247~~66922564 3.~~83780066~~35223718 0.00000000 0.00000000 A-7 48,800,000.00 7.00000% 0.00000000 0.00000000 0.00000000 0.00000000 A-8 3,600,000.00 7.00000% 0.00000000 0.00000000 0.00000000 0.00000000 A-9 4,436,000.00 7.00000% 1000.00000000 5.83333408 0.00000000 0.00000000 A-10 1,810,000.00 7.00000% 1000.00000000 5.83333149 0.00000000 0.00000000 A-11 1,000,000.00 7.00000% 1000.00000000 5.83333000 0.00000000 0.00000000 A-12 2,754,000.00 7.00000% 1000.00000000 5.83333333 0.00000000 0.00000000 A-13 4,000,000.00 7.00000% 1000.00000000 5.83333250 0.00000000 0.00000000 A-14 40,000,000.00 7.00000% ~~542~~473.~~57942325~~93157350 32.~~16504675~~76460075 0.00000000 0.00000000 A-R 100.00 7.00000% 0.00000000 0.00000000 0.00000000 0.00000000 B-1 11,909,000.00 7.00000% ~~995~~994.~~55003191~~89554539 5.~~80737509~~80355697 0.00000000 0.00000000 B-2 5,444,000.00 7.00000% ~~995~~994.~~55003123~~89554555 5.~~80737509~~80355805 0.00000000 0.00000000 B-3 2,721,000.00 7.00000% ~~995~~994.~~55003308~~89554576 5.~~80737596~~80355752 0.00000000 0.00000000 B-4 2,042,000.00 7.00000% ~~995~~994.~~55002938~~89554358 5.~~80737512~~80355534 0.00000000 0.00000000 B-5 1,361,000.00 7.00000% ~~995~~994.~~55002939~~89554739 5.~~80737693~~80355621 0.00000000 0.00000000 B-6 2,040,626.87 7.00000% ~~995~~994.~~55003409~~89554893 5.~~80737722~~80355977 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 ~~993~~992.~~47267298~~63457208 A-1 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 A-2 0.00000000 0.00000000 32.~~17160040~~83781270 0.00000000 ~~486~~428.~~48217610~~24212620 A-3 0.00000000 0.00000000 5.83333333 0.00000000 1000.00000000 A-4 0.00000000 0.00000000 5.83333328 0.00000000 1000.00000000 A-5 0.00000000 0.00000000 3.~~81746626~~27891465 0.00000000 ~~562~~468.~~09965738~~13192269 A-6 0.00000000 0.00000000 3.~~83780066~~35223718 0.00000000 ~~574~~489.~~66922564~~94697851 A-7 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 A-8 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 A-9 0.00000000 0.00000000 5.83333408 0.00000000 1000.00000000 A-10 0.00000000 0.00000000 5.83333149 0.00000000 1000.00000000 A-11 0.00000000 0.00000000 5.83333000 0.00000000 1000.00000000 A-12 0.00000000 0.00000000 5.83333333 0.00000000 1000.00000000 A-13 0.00000000 0.00000000 5.83333250 0.00000000 1000.00000000 A-14 0.00000000 0.00000000 32.~~16504675~~76460075 0.00000000 ~~473~~404.~~93157350~~06086150 A-R 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 B-1 0.00000000 0.00000000 5.~~80737509~~80355697 0.00000000 994.~~89554539~~24265010 B-2 0.00000000 0.00000000 5.~~80737509~~80355805 0.00000000 994.~~89554555~~24265062 B-3 0.00000000 0.00000000 5.~~80737596~~80355752 0.00000000 994.~~89554576~~24264976 B-4 0.00000000 0.00000000 5.~~80737512~~80355534 0.00000000 994.~~89554358~~24264936 B-5 0.00000000 0.00000000 5.~~80737693~~80355621 0.00000000 994.~~89554739~~24265246 B-6 0.00000000 0.00000000 5.~~80737722~~80355977 0.00000000 994.~~89554893~~24265642 (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 37,~~730~~862,~~573~~714.6562 Liquidations, Insurance Proceeds, Reserve Funds 0.00 Proceeds from Repurchased Loans 0.00 Other Amounts (Servicer Advances) 58146,~~978~~424.9062 Realized Losses 0.00 Prepayment Penalties 0.00 Total Deposits 3738,~~789~~009,~~552~~139.5524 Withdrawals Reimbursement for Servicer Advances ~~269~~58,~~779~~978.0190 Payment of Service Fee 5767,~~538~~659.2097 Payment of Interest and Principal 37,~~462~~882,~~235~~500.2936 Total Withdrawals (Pool Distribution Amount) 3738,~~789~~009,~~552~~139.5023 Ending Balance 0.00

PREPAYMENT/CURTAILMENT INTEREST SHORTFALL Total Prepayment/Curtailment Interest Shortfall 3214,~~538~~529.4999 Servicing Fee Support 3214,~~538~~529.4999 Non-Supported Prepayment/Curtailment Interest Shortfall 0.00

SERVICING FEES Gross Servicing Fee 8477,~~404~~015.8265 Master Servicing Fee 5,~~671~~174.8732 ~~Special Servicing Fee 0.00~~ Supported Prepayment/Curtailment Interest Shortfall 3214,~~538~~529.4999 Net Servicing Fee 5767,~~538~~659.2097

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 108 0 0 0 108 32,~~354~~933,~~074~~627.9824 0.00 0.00 0.00 32,~~354~~933,~~074~~627.9824 60 Days 21 0 0 0 21 ~~670~~268,~~543~~788.8165 0.00 0.00 0.00 ~~670~~268,~~543~~788.8165 90 Days 21 01 0 0 2 ~~974~~376,~~780~~737.8972 0293,806.0009 0.00 0.00 ~~974~~670,~~780~~543.8981 120 Days 0 0 02 0 02 0.00 0.00 0974,780.0089 0.00 0974,780.0089 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 1410 01 02 0 1413 43,~~999~~579,~~399~~153.6861 0293,806.0009 0974,780.0089 0.00 4,~~999~~847,~~399~~740.6859 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 10.~~011122~~891862% 0.000000% 0.000000% 0.000000% 10.~~011122~~891862% 0.~~863709~~827792% 0.000000% 0.000000% 0.000000% 0.~~863709~~827792% 60 Days 0.~~202224~~111483% 0.000000% 0.000000% 0.000000% 0.~~202224~~111483% 0.~~172672~~075845% 0.000000% 0.000000% 0.000000% 0.~~172672~~075845% 90 Days 0.~~202224~~111483% 0.~~000000~~111483% 0.000000% 0.000000% 0.~~202224~~222965% 0.~~251016~~106305% 0.~~000000~~082904% 0.000000% 0.000000% 0.~~251016~~189210% 120 Days 0.000000% 0.000000% 0.~~000000~~222965% 0.000000% 0.~~000000~~222965% 0.000000% 0.000000% 0.~~000000~~275058% 0.000000% 0.~~000000~~275058% 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 1.~~415571~~114827% 0.~~000000~~111483% 0.~~000000~~222965% 0.000000% 1.~~415571~~449275% 1.~~287397~~009943% 0.~~000000~~082904% 0.~~000000~~275058% 0.000000% 1.~~287397~~367905%

OTHER INFORMATION Current Period Class A Insufficient Funds 0.00 Principal Balance of Contaminated Properties 0.00 Periodic Advance ~~710~~690,~~552~~007.4102

SUBORDINATION LEVEL/CLASS PERCENTAGE AND PREPAYMENT PERCENTAGE Current Original $ Original % Current $ Current % Class% Prepayment% Class A 25,517,626.87 3.75002281% 25,~~387~~370,~~373~~712.3198 67.~~95080412~~69996599% 9392.~~048947~~299728% 100.000000% Class B-1 13,608,626.87 1.99989840% 13,~~539~~530,~~162~~277.26 34.~~70688466~~10641494% 3.~~244036~~593694% 0.000000% Class B-2 8,164,626.87 1.19985832% 8,~~122~~117,~~950~~620.9127 2.~~22398119~~46368322% 1.~~482957~~642797% 0.000000% Class B-3 5,443,626.87 0.79998524% 5,~~415~~412,~~840~~286.1302 1.~~48280184~~64261912% 0.~~741206~~821097% 0.000000% Class B-4 3,401,626.87 0.49989673% 3,~~384~~382,~~263~~042.4353 01.~~92657684~~02644386% 0.~~556245~~616200% 0.000000% Class B-5 2,040,626.87 0.29988672% 2,~~030~~028,~~210~~878.5928 0.~~55585097~~61576093% 0.~~370739~~410699% 0.000000% Class B-6 0.00 0.00000000% 0.00 0.00000000% 0.~~555871~~615785% 0.000000% Please Refer to the Prospectus Supplement for a Full Description of Loss Exposure

CREDIT ENHANCEMENT Original $ Original % Current $ Current % Bankruptcy 218,856.09 0.03216268% 218,856.09 0.~~05992057~~06642243% Fraud 13,609,318.23 2.00000000% 13,609,318.23 34.~~72609265~~13040373% Special Hazard 6,804,659.11 1.00000000% 6,804,659.11 12.~~86304633~~06520186% Limit of Subordinate's Exposure to Certain Types of Losses

COLLATERAL STATEMENT Collateral Description Fixed 30 Year Weighted Average Gross Coupon 8.~~211199~~204846% Weighted Average Pass-Through Rate 7.000000% Weighted Average Maturity(Stepdown Calculation ) ~~349~~348 Beginning Scheduled Collateral Loan Count ~~1,077~~989 Number Of Loans Paid In Full 8892 Ending Scheduled Collateral Loan Count ~~989~~897 Beginning Scheduled Collateral Balance ~~400~~365,~~370~~243,~~742~~688.6118 Ending Scheduled Collateral Balance ~~365~~329,~~243~~491,~~688~~234.1841 Ending Actual Collateral Balance at 3031-~~Sep~~Oct-2001 ~~388~~354,~~333~~391,~~949~~668.1842 Ending Scheduled Balance For Wells Fargo Serviced ~~261~~235,~~485~~850,~~939~~080.4958 Ending Scheduled Balance For Other Servicers ~~103~~93,~~757~~641,~~748~~153.6983 Monthly P &I Constant 2,~~709~~475,~~374~~860.7747 Special Servicing Fee 0.00 Prepayment Penalties 0.00 Realized Loss Amount 0.00 Cumulative Realized Loss 0.00 Class A Optimal Amount 37,~~297~~718,~~571~~201.6114 Class AP Deferred Amount 0.00 Ending Scheduled Balance for Premium Loans ~~364~~328,~~269~~518,~~654~~019.2629 Ending scheduled Balance For discounted Loans ~~974~~973,~~033~~215.9212 Scheduled Principal ~~263~~239,~~210~~691.8281 Unscheduled Principal 3435,~~863~~512,~~843~~761.6196 Unpaid Principal Balance Of Outstanding Mortgage Loans With Original LTV: Less Than Or Equal To 80% ~~328~~297,~~349~~342,~~416~~066.9602 Greater Than 80%, less than or equal to 85% 54,~~209~~090,~~772~~639.2750 Greater than 85%, less than or equal to 95% 3026,~~411~~789,~~806~~095.4462 Greater than 95% 1,~~603~~341,~~457~~537.9077

Filing Compare · WELLS FARGO ASSET SEC CORP MOR PASS THR CERT SER 2001-4