8-K 1 mal02001.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 MASTR ALTERNATIVE LOAN TRUST Mortgage Pass-Through Certificates, Series 2002-1 Trust (Exact name of registrant as specified in its charter) New York (governing law of 333-75724-09 Pooling and Servicing Agreement) (Commission 51-0423827 (State or other File Number) 51-0423832 jurisdiction IRS EIN 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 MASTR ALTERNATIVE LOAN TRUST, Mortgage Pass-Through Certificates, Series 2002-1 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 2002-1 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. MASTR ALTERNATIVE LOAN TRUST Mortgage Pass-Through Certificates, Series 2002-1 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: 1/3/03 INDEX TO EXHIBITS Exhibit Number Description EX-99.1 Monthly report distributed to holders of Mortgage Pass-Through Certificates, Series 2002-1 Trust, relating to the December 26, 2002 distribution. EX-99.1

MASTR Alternative Loan Trust Mortgage Pass-Through Certificates Record Date: ~~10/31/02~~ 11/2530/02 Distribution Date: 12/26/02 MAL Series: 2002-1 Contact: Customer Service - CTSLink Wells Fargo Bank Minnesota, N.A. Securities Administration Services 7485 New Horizon Way Frederick, MD 21703 Telephone: (301) 815-6600 Fax: (301) 815-6660 Certificateholder Distribution Summary Certificate Certificate Beginning Class Pass-Through Certificate Interest Principal Class CUSIP Description Rate Balance Distribution Distribution A-1 576434AA2 SEQ 21.~~43000~~98000% 2524,~~739~~955,~~070~~485.6761 5241,~~091~~176.1655 ~~783~~920,~~585~~638.0690 A-2 576434AB0 IO 67.~~57000~~02000% 0.00 ~~140~~145,~~839~~989.0659 0.00 A-3 576434AC8 SEQ 6.50000% ~~195~~188,~~174~~122,~~635~~370.9948 1,~~056~~018,~~578~~996.1417 78,~~052~~285,~~265~~750.5210 A-4 576434AD6 SEQ 6.50000% 10,827,000.00 58,~~611~~646.9825 0.00 A-5 576434AE4 SEQ 6.50000% 25,650,000.00 138,~~856~~937.3150 0.00 APO 576434AF1 PO 0.00000% ~~744~~698,~~464~~622.4661 0.00 4517,~~841~~931.8528 A-R 576434AG9 SEQ 6.75000% 0.00 0.00 0.00 A-LR 576434AM6 SEQ 6.75000% 0.00 0.00 0.00 AX 576434AH7 IO 6.75000% 0.00 9189,~~269~~168.4720 0.00 B-1 576434AJ3 SUB 6.75000% 8,~~542~~535,~~771~~877.2452 48,~~025~~014.0131 6,~~893~~963.7203 B-2 576434AK0 SUB 6.75000% 2,~~989~~987,~~920~~507.0529 16,~~808~~804.4773 2,~~412~~437.7602 B-3 576434AL8 SUB 6.75000% 1,~~993~~991,~~280~~671.0353 11,~~205~~203.6515 1,~~608~~624.5168 B-4 576434AN4 SUB 6.75000% ~~996~~995,~~640~~835.0276 5,~~602~~601.8258 ~~804~~812.2534 B-5 576434AP9 SUB 6.75000% 853,~~977~~288.8370 4,~~800~~799.8275 ~~689~~696.1306 B-6 576434AQ7 SUB 6.75000% ~~997~~996,~~152~~347.1145 5,~~605~~604.7045 ~~804~~812.6776 Totals ~~274~~266,~~508~~614,~~912~~006.4095 1,~~630~~584,~~294~~942.5923 79,~~894~~237,~~905~~666.4717

Certificateholder Distribution Summary (continued) Current Ending Cumulative Realized Certificate Total Realized Class Loss Balance Distribution Losses A-1 0.00 24,~~955~~034,~~485~~846.6171 ~~835~~961,~~676~~815.2245 0.00 A-2 0.00 0.00 ~~140~~145,~~839~~989.0659 0.00 A-3 0.00 ~~188~~179,~~122~~836,~~370~~620.4838 89,~~108~~304,~~843~~746.6627 0.00 A-4 0.00 10,827,000.00 58,~~611~~646.9825 0.00 A-5 0.00 25,650,000.00 138,~~856~~937.3150 0.00 APO 0.00 ~~698~~680,~~622~~691.6132 4517,~~841~~931.8528 0.00 A-R 0.00 0.00 0.00 0.00 A-LR 0.00 0.00 0.00 0.00 AX 0.00 0.00 9189,~~269~~168.4720 0.00 B-1 0.00 8,~~535~~528,~~877~~914.5249 54,~~918~~977.7334 0.00 B-2 0.00 2,~~987~~985,~~507~~070.2927 19,~~221~~241.2375 0.00 B-3 0.00 1,~~991~~990,~~671~~046.5385 12,~~814~~827.1683 0.00 B-4 0.00 995,~~835~~023.7642 6,~~407~~413.0792 0.00 B-5 0.00 ~~853~~852,~~288~~592.7064 5,~~489~~495.9581 0.00 B-6 0.00 ~~996~~995,~~347~~534.4569 6,~~410~~417.3721 0.00 Totals 0.00 ~~266~~257,~~614~~376,~~006~~340.9577 910,~~525~~822,~~200~~608.0640 0.00 All distributions required by the Pooling and Servicing Agreement have been calculated by the Certificate Administrator on behalf of the Trustee.

Principal Distribution Statement Original Beginning Scheduled Unscheduled Face Certificate Principal Principal Realized Class Amount Balance Distribution Distribution Accretion Loss (1) A-1 26,826,100.00 2524,~~739~~955,~~070~~485.6761 20,~~770~~357.5311 ~~762~~900,~~814~~281.5379 0.00 0.00 A-2 0.00 0.00 0.00 0.00 0.00 0.00 A-3 204,957,900.00 ~~195~~188,~~174~~122,~~635~~370.9948 ~~186~~183,~~934~~214.7600 68,~~865~~102,~~330~~536.7610 0.00 0.00 A-4 10,827,000.00 10,827,000.00 0.00 0.00 0.00 0.00 A-5 25,650,000.00 25,650,000.00 0.00 0.00 0.00 0.00 APO 761,319.09 ~~744~~698,~~464~~622.4661 ~~666~~631.7709 4517,~~175~~300.0820 0.00 0.00 A-R 50.00 0.00 0.00 0.00 0.00 0.00 A-LR 50.00 0.00 0.00 0.00 0.00 0.00 AX 0.00 0.00 0.00 0.00 0.00 0.00 B-1 8,563,000.00 8,~~542~~535,~~771~~877.2452 6,~~893~~963.7203 0.00 0.00 0.00 B-2 2,997,000.00 2,~~989~~987,~~920~~507.0529 2,~~412~~437.7602 0.00 0.00 0.00 B-3 1,998,000.00 1,~~993~~991,~~280~~671.0353 1,~~608~~624.5168 0.00 0.00 0.00 B-4 999,000.00 ~~996~~995,~~640~~835.0276 ~~804~~812.2534 0.00 0.00 0.00 B-5 856,000.00 853,~~977~~288.8370 ~~689~~696.1306 0.00 0.00 0.00 B-6 999,513.31 ~~997~~996,~~152~~347.1145 ~~804~~812.6776 0.00 0.00 0.00 Totals 285,434,932.40 ~~274~~266,~~508~~614,~~912~~006.4095 ~~221~~217,~~585~~548.1009 79,~~673~~020,~~320~~118.3709 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 ~~783~~920,~~585~~638.0690 24,~~955~~034,~~485~~846.6171 0.~~93026887~~89595009 ~~783~~920,~~585~~638.0690 A-2 0.00 0.00 0.00000000 0.00 A-3 78,~~052~~285,~~265~~750.5210 ~~188~~179,~~122~~836,~~370~~620.4838 0.~~91785860~~87743200 78,~~052~~285,~~265~~750.5210 A-4 0.00 10,827,000.00 1.00000000 0.00 A-5 0.00 25,650,000.00 1.00000000 0.00 APO 4517,~~841~~931.8528 ~~698~~680,~~622~~691.6132 0.~~91764757~~89409464 4517,~~841~~931.8528 A-R 0.00 0.00 0.00000000 0.00 A-LR 0.00 0.00 0.00000000 0.00 AX 0.00 0.00 0.00000000 0.00 B-1 6,~~893~~963.7203 8,~~535~~528,~~877~~914.5249 0.~~99683260~~99601944 6,~~893~~963.7203 B-2 2,~~412~~437.7602 2,~~987~~985,~~507~~070.2927 0.~~99683260~~99601944 2,~~412~~437.7602 B-3 1,~~608~~624.5168 1,~~991~~990,~~671~~046.5385 0.~~99683260~~99601944 1,~~608~~624.5168 B-4 ~~804~~812.2534 995,~~835~~023.7642 0.~~99683259~~99601944 ~~804~~812.2534 B-5 ~~689~~696.1306 ~~853~~852,~~288~~592.7064 0.~~99683259~~99601944 ~~689~~696.1306 B-6 ~~804~~812.6776 ~~996~~995,~~347~~534.4569 0.~~99683260~~99601944 ~~804~~812.6776 Totals 79,~~894~~237,~~905~~666.4717 ~~266~~257,~~614~~376,~~006~~340.9577 0.~~93406229~~90169882 79,~~894~~237,~~905~~666.4717

Principal Distribution Factors Statement Original Beginning Scheduled Unscheduled Face Certificate Principal Principal Class (2) Amount Balance Distribution Distribution Accretion A-1 26,826,100.00 ~~959~~930.~~47866704~~26886540 0.~~77426573~~75885462 2833.~~43553591~~55992075 0.00000000 A-2 0.00 0.00000000 0.00000000 0.00000000 0.00000000 A-3 204,957,900.00 ~~952~~917.~~26695819~~85859672 0.~~91206418~~89391041 3339.~~49629734~~53268501 0.00000000 A-4 10,827,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 A-5 25,650,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 APO 761,319.09 ~~977~~917.~~86128022~~64756615 0.~~87580885~~82894283 5922.~~33790521~~72398030 0.00000000 A-R 50.00 0.00000000 0.00000000 0.00000000 0.00000000 A-LR 50.00 0.00000000 0.00000000 0.00000000 0.00000000 AX 0.00 0.00000000 0.00000000 0.00000000 0.00000000 B-1 8,563,000.00 ~~997~~996.~~63765503~~83259605 0.~~80505897~~81315310 0.00000000 0.00000000 B-2 2,997,000.00 ~~997~~996.~~63765432~~83259593 0.~~80505839~~81315315 0.00000000 0.00000000 B-3 1,998,000.00 ~~997~~996.~~63765265~~83259760 0.~~80506006~~81315315 0.00000000 0.00000000 B-4 999,000.00 ~~997~~996.~~63765766~~83259259 0.~~80505506~~81315315 0.00000000 0.00000000 B-5 856,000.00 ~~997~~996.~~63765187~~83259346 0.~~80505841~~81315421 0.00000000 0.00000000 B-6 999,513.31 ~~997~~996.~~63765027~~83259846 0.~~80506182~~81315575 0.00000000 0.00000000 (2) All classes are 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-1 0.00000000 2934.~~20980165~~31877537 ~~930~~895.~~26886540~~95009002 0.~~93026887~~89595009 2934.~~20980165~~31877537 A-2 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 A-3 0.00000000 3440.~~40836152~~42659541 ~~917~~877.~~85859672~~43200130 0.~~91785860~~87743200 3440.~~40836152~~42659541 A-4 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 A-5 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 APO 0.00000000 6023.~~21371407~~55290999 ~~917~~894.~~64756615~~09464302 0.~~91764757~~89409464 6023.~~21371407~~55290999 A-R 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 A-LR 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 AX 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 B-1 0.00000000 0.~~80505897~~81315310 996.~~83259605~~01944295 0.~~99683260~~99601944 0.~~80505897~~81315310 B-2 0.00000000 0.~~80505839~~81315315 996.~~83259593~~01944278 0.~~99683260~~99601944 0.~~80505839~~81315315 B-3 0.00000000 0.~~80506006~~81315315 996.~~83259760~~01944444 0.~~99683260~~99601944 0.~~80506006~~81315315 B-4 0.00000000 0.~~80505506~~81315315 996.~~83259259~~01943944 0.~~99683259~~99601944 0.~~80505506~~81315315 B-5 0.00000000 0.~~80505841~~81315421 996.~~83259346~~01943925 0.~~99683259~~99601944 0.~~80505841~~81315421 B-6 0.00000000 0.~~80506182~~81315575 996.~~83259846~~01944270 0.~~99683260~~99601944 0.~~80506182~~81315575 (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 26,826,100.00 21.~~43000~~98000% 2524,~~739~~955,~~070~~485.6761 5241,~~121~~176.6255 0.00 0.00 A-2 0.00 67.~~57000~~02000% 2524,~~739~~955,~~070~~485.6761 ~~140~~145,~~921~~989.4159 0.00 0.00 A-3 204,957,900.00 6.50000% ~~195~~188,~~174~~122,~~635~~370.9948 1,~~057~~018,~~195~~996.9417 0.00 0.00 A-4 10,827,000.00 6.50000% 10,827,000.00 58,646.25 0.00 0.00 A-5 25,650,000.00 6.50000% 25,650,000.00 138,937.50 0.00 0.00 APO 761,319.09 0.00000% ~~744~~698,~~464~~622.4661 0.00 0.00 0.00 A-R 50.00 6.75000% 0.00 0.00 0.00 0.00 A-LR 50.00 6.75000% 0.00 0.00 0.00 0.00 AX 0.00 6.75000% 1615,~~235~~852,~~171~~124.7897 9189,~~322~~168.8420 0.00 0.00 B-1 8,563,000.00 6.75000% 8,~~542~~535,~~771~~877.2452 48,~~053~~014.0931 0.00 0.00 B-2 2,997,000.00 6.75000% 2,~~989~~987,~~920~~507.0529 16,~~818~~804.3073 0.00 0.00 B-3 1,998,000.00 6.75000% 1,~~993~~991,~~280~~671.0353 11,~~212~~203.2015 0.00 0.00 B-4 999,000.00 6.75000% ~~996~~995,~~640~~835.0276 5,~~606~~601.1058 0.00 0.00 B-5 856,000.00 6.75000% 853,~~977~~288.8370 4,~~803~~799.6375 0.00 0.00 B-6 999,513.31 6.75000% ~~997~~996,~~152~~347.1145 5,~~608~~604.9845 0.00 0.00 Totals 285,434,932.40 1,~~631~~584,~~247~~942.8623 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-1 300.4600 0.00 5241,~~091~~176.1655 0.00 24,~~955~~034,~~485~~846.6171 A-2 820.3500 0.00 ~~140~~145,~~839~~989.0659 0.00 24,~~955~~034,~~485~~846.6171 A-3 ~~617~~0.8100 0.00 1,~~056~~018,~~578~~996.1417 0.00 ~~188~~179,~~122~~836,~~370~~620.4838 A-4 340.2700 0.00 58,~~611~~646.9825 0.00 10,827,000.00 A-5 810.1900 0.00 138,~~856~~937.3150 0.00 25,650,000.00 APO 0.00 0.00 0.00 0.00 ~~698~~680,~~622~~691.6132 A-R 0.00 0.00 0.00 0.00 0.00 A-LR 0.00 0.00 0.00 0.00 0.00 AX 530.3700 0.00 9189,~~269~~168.4720 0.00 15,~~852~~299,~~124~~531.9739 B-1 280.0800 0.00 48,~~025~~014.0131 0.00 8,~~535~~528,~~877~~914.5249 B-2 90.8300 0.00 16,~~808~~804.4773 0.00 2,~~987~~985,~~507~~070.2927 B-3 60.5500 0.00 11,~~205~~203.6515 0.00 1,~~991~~990,~~671~~046.5385 B-4 30.2800 0.00 5,~~602~~601.8258 0.00 995,~~835~~023.7642 B-5 20.8100 0.00 4,~~800~~799.8275 0.00 ~~853~~852,~~288~~592.7064 B-6 30.2800 0.00 5,~~605~~604.7045 0.00 ~~996~~995,~~347~~534.4569 Totals ~~953~~0.2800 0.00 1,~~630~~584,~~294~~942.5923 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 26,826,100.00 21.~~43000~~98000% ~~959~~930.~~47866704~~26886540 1.~~94294437~~53494358 0.00000000 0.00000000 A-2 0.00 67.~~57000~~02000% ~~959~~930.~~47866704~~26886540 5.~~25314563~~44207283 0.00000000 0.00000000 A-3 204,957,900.00 6.50000% ~~952~~917.~~26695819~~85859672 54.~~15811267~~97173405 0.00000000 0.00000000 A-4 10,827,000.00 6.50000% 1000.00000000 5.41666667 0.00000000 0.00000000 A-5 25,650,000.00 6.50000% 1000.00000000 5.41666667 0.00000000 0.00000000 APO 761,319.09 0.00000% ~~977~~917.~~86128022~~64756615 0.00000000 0.00000000 0.00000000 A-R 50.00 6.75000% 0.00000000 0.00000000 0.00000000 0.00000000 A-LR 50.00 6.75000% 0.00000000 0.00000000 0.00000000 0.00000000 AX 0.00 6.75000% ~~958~~935.~~41052778~~79813413 5.~~39105914~~26386433 0.00000000 0.00000000 B-1 8,563,000.00 6.75000% ~~997~~996.~~63765503~~83259605 5.~~61171202~~60718323 0.00000000 0.00000000 B-2 2,997,000.00 6.75000% ~~997~~996.~~63765432~~83259593 5.~~61171171~~60718385 0.00000000 0.00000000 B-3 1,998,000.00 6.75000% ~~997~~996.~~63765265~~83259760 5.~~61171171~~60718218 0.00000000 0.00000000 B-4 999,000.00 6.75000% ~~997~~996.~~63765766~~83259259 5.~~61171171~~60718719 0.00000000 0.00000000 B-5 856,000.00 6.75000% ~~997~~996.~~63765187~~83259346 5.~~61171729~~60718458 0.00000000 0.00000000 B-6 999,513.31 6.75000% ~~997~~996.~~63765027~~83259846 5.~~61171116~~60717896 0.00000000 0.00000000 (5) All classes are 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-1 0.~~00113546~~00000000 0.00000000 1.~~94180891~~53494358 0.00000000 ~~930~~895.~~26886540~~95009002 A-2 0.~~00306977~~00000000 0.00000000 5.~~25007586~~44207283 0.00000000 ~~930~~895.~~26886540~~95009002 A-3 0.~~00301433~~00000000 0.00000000 54.~~15509839~~97173405 0.00000000 ~~917~~877.~~85859672~~43200130 A-4 0.~~00316524~~00000000 0.00000000 5.~~41350143~~41666667 0.00000000 1000.00000000 A-5 0.~~00316530~~00000000 0.00000000 5.~~41350136~~41666667 0.00000000 1000.00000000 APO 0.00000000 0.00000000 0.00000000 0.00000000 ~~917~~894.~~64756615~~09464302 A-R 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 A-LR 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 AX 0.~~00315059~~00000000 0.00000000 5.~~38790855~~26386433 0.00000000 ~~935~~903.~~79813413~~17688984 B-1 0.~~00327922~~00000000 0.00000000 5.~~60843279~~60718323 0.00000000 996.~~83259605~~01944295 B-2 0.~~00327995~~00000000 0.00000000 5.~~60843177~~60718385 0.00000000 996.~~83259593~~01944278 B-3 0.~~00327828~~00000000 0.00000000 5.~~60843343~~60718218 0.00000000 996.~~83259760~~01944444 B-4 0.~~00328328~~00000000 0.00000000 5.~~60842843~~60718719 0.00000000 996.~~83259259~~01943944 B-5 0.~~00328271~~00000000 0.00000000 5.~~60843458~~60718458 0.00000000 996.~~83259346~~01943925 B-6 0.~~00328160~~00000000 0.00000000 5.~~60842957~~60717896 0.00000000 996.~~83259846~~01944270 (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 910,~~549~~829,~~001~~703.1093 Liquidations, Insurance Proceeds, Reserve Funds 0.00 Proceeds from Repurchased Loans 0.00 Other Amounts (Servicer Advances) 3348,~~388~~448.5191 Realized Losses 0.00 Prepayment Penalties 0.00 Total Deposits 910,~~582~~878,~~389~~152.6184 Withdrawals Reimbursement for Servicer Advances 0.00 Payment of Service Fee 5755,~~189~~544.5544 Payment of Interest and Principal 910,~~525~~822,~~200~~608.0640 Total Withdrawals (Pool Distribution Amount) 910,~~582~~878,~~389~~152.6184 Ending Balance 0.00

PREPAYMENT/CURTAILMENT INTEREST SHORTFALL Total Prepayment/Curtailment Interest Shortfall ~~953~~0.2800 Servicing Fee Support 0.00 Non-Supported Prepayment/Curtailment Interest Shortfall ~~953~~0.2800

SERVICING FEES Gross Servicing Fee 5755,~~189~~544.5544 Supported Prepayment/Curtailment Interest Shortfall 0.00 Net Servicing Fee 5755,~~189~~544.5544

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 1826 0 0 0 1826 35,~~477~~519,~~657~~928.1149 0.00 0.00 0.00 35,~~477~~519,~~657~~928.1149 60 Days 24 0 0 0 24 ~~883~~1,~~393~~188,699.3641 0.00 0.00 0.00 ~~883~~1,~~393~~188,699.3641 90 Days 10 0 0 0 10 ~~399,785~~0.5100 0.00 0.00 0.00 ~~399,785~~0.5100 120 Days 0 0 01 0 01 0.00 0.00 0399,785.0051 0.00 0399,785.0051 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 2130 0 01 0 2131 46,~~760~~708,~~835~~627.9890 0.00 0399,785.0051 0.00 47,~~760~~108,~~835~~413.9841 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 12.~~725791~~561576% 0.000000% 0.000000% 0.000000% 12.~~725791~~561576% 12.~~303593~~143248% 0.000000% 0.000000% 0.000000% 12.~~303593~~143248% 60 Days 0.~~191755~~394089% 0.000000% 0.000000% 0.000000% 0.~~191755~~394089% 0.~~331138~~461542% 0.000000% 0.000000% 0.000000% 0.~~331138~~461542% 90 Days 0.~~095877~~000000% 0.000000% 0.000000% 0.000000% 0.~~095877~~000000% 0.~~149859~~000000% 0.000000% 0.000000% 0.000000% 0.~~149859~~000000% 120 Days 0.000000% 0.000000% 0.~~000000~~098522% 0.000000% 0.~~000000~~098522% 0.000000% 0.000000% 0.~~000000~~155227% 0.000000% 0.~~000000~~155227% 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 2.~~013423~~955665% 0.000000% 0.~~000000~~098522% 0.000000% 23.~~013423~~054187% 12.~~784590~~604790% 0.000000% 0.~~000000~~155227% 0.000000% 12.~~784590~~760016%

OTHER INFORMATION Current Period Class A Insufficient Funds 0.00 Principal Balance of Contaminated Properties 0.00 Periodic Advance 3348,~~388~~448.5191

SUBORDINATION LEVEL/CLASS PERCENTAGE AND PREPAYMENT PERCENTAGE Current Original $ Original % Current $ Current % Class% Prepayment% Class A 17,173,832.40 6.01672411% 17,~~059~~027,~~150~~873.8668 6.~~39844510~~61594365% 93.~~847468~~631687% 100.000000% Class B-1 7,849,513.31 2.75001845% 7,~~824~~818,~~650~~267.7387 23.~~93482357~~03767932% 3.~~209998~~322579% 0.000000% Class B-2 4,852,513.31 1.70004185% 4,~~837~~833,~~143~~197.4460 1.~~81428706~~87787175% 1.~~123480~~162883% 0.000000% Class B-3 2,854,513.31 1.00005745% 2,~~845~~843,~~471~~150.9175 1.~~06726272~~10466671% 0.~~748987~~775255% 0.000000% Class B-4 1,855,513.31 0.65006525% 1,~~849~~848,~~636~~127.1533 0.~~69375055~~71806419% 0.~~374493~~387628% 0.000000% Class B-5 999,513.31 0.35017203% ~~996~~995,~~347~~534.4569 0.~~37370409~~38680117% 0.~~320887~~332141% 0.000000% Class B-6 0.00 0.00000000% 0.00 0.00000000% 0.~~374686~~387827% 0.000000% Please Refer to the Prospectus Supplement for a Full Description of Loss Exposure

CREDIT ENHANCEMENT Original $ Original % Current $ Current % Bankruptcy 107,000.00 0.03748665% 107,000.00 0.~~04013293~~04157336% Fraud 107,000.00 0.03748665% 107,000.00 0.~~04013293~~04157336% Special Hazard 2,997,717.00 1.05022780% 2,997,717.00 1.~~12436591~~16472128% Limit of Subordinate's Exposure to Certain Types of Losses

COLLATERAL STATEMENT Collateral Description Fixed 30 Year Ratio Strip Weighted Average Gross Coupon 7.~~380907~~383649% Weighted Average Pass-Through Rate 7.~~126739~~133649% Weighted Average Maturity(Stepdown Calculation ) ~~353~~352 Beginning Scheduled Collateral Loan Count 1,~~071~~043 Number Of Loans Paid In Full 28 Ending Scheduled Collateral Loan Count 1,~~043~~015 Beginning Scheduled Collateral Balance ~~274~~266,~~508~~614,~~912~~006.4195 Ending Scheduled Collateral Balance ~~266~~257,~~614~~376,~~006~~340.9578 Ending Actual Collateral Balance at 3130-~~Oct~~Nov-2002 ~~266~~257,~~774~~549,~~720~~706.7203 Monthly P &I Constant 1,~~910~~858,~~022~~034.3789 Special Servicing Fee 0.00 Prepayment Penalties 0.00 Realized Loss Amount 0.00 Cumulative Realized Loss 0.00 Class A Optimal Amount 910,~~374~~699,~~996~~303.1426 Class AP Deferred Amount 0.00 Ending Scheduled Balance for Premium Loans ~~266~~257,~~614~~376,~~006~~340.9578 Scheduled Principal ~~221~~217,~~585~~548.0908 Unscheduled Principal 79,~~673~~020,~~320~~118.3709

Miscellaneous Reporting Senior Percentage 9493.~~019040~~847468% Junior Percentage 56.~~980960~~152532% Senior Prepayment Percentage 100.000000%

Filing Compare · MORTGAGE ASSET SEC TRANSACTIONS INC MASTR ALT LN TR 2002 1