8-K 1 mal02001.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 25, 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 51-0423827 Pooling and Servicing Agreement) (Commission 51-0423832 (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 November 25, 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 November 25, 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: 12/4/02 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 November 25, 2002 distribution. EX-99.1

MASTR Alternative Loan Trust Mortgage Pass-Through Certificates Record Date: 910/3031/02 ~~Distribution Date: 10~~11/25/02 Distribution Date: 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 2.~~41375~~43000% 2625,~~366~~739,~~834~~070.4667 5352,~~035~~091.7916 ~~627~~783,~~763~~585.7906 A-2 576434AB0 IO 6.~~58625~~57000% 0.00 ~~144~~140,~~715~~839.4706 0.00 A-3 576434AC8 SEQ 6.50000% ~~200~~195,~~824~~174,~~510~~635.1299 1,~~087~~056,~~799~~578.4314 57,~~649~~052,~~874~~265.1352 A-4 576434AD6 SEQ 6.50000% 10,827,000.00 58,~~646~~611.2598 0.00 A-5 576434AE4 SEQ 6.50000% 25,650,000.00 138,~~937~~856.5031 0.00 APO 576434AF1 PO 0.00000% ~~759~~744,~~827~~464.5246 0.00 1545,~~363~~841.0685 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 9391,~~431~~269.2247 0.00 B-1 576434AJ3 SUB 6.75000% 8,~~549~~542,~~567~~771.7124 48,~~091~~025.3201 6,~~796~~893.4772 B-2 576434AK0 SUB 6.75000% 2,~~992~~989,~~298~~920.7805 16,~~831~~808.6847 2,~~378~~412.7376 B-3 576434AL8 SUB 6.75000% 1,~~994~~993,~~865~~280.8503 11,~~221~~205.1265 1,~~585~~608.8251 B-4 576434AN4 SUB 6.75000% ~~997~~996,~~432~~640.9302 5,~~610~~602.5682 ~~792~~804.9125 B-5 576434AP9 SUB 6.75000% ~~854~~853,~~657~~977.2483 4,~~807~~800.4582 ~~679~~689.4113 B-6 576434AQ7 SUB 6.75000% 997,~~945~~152.4311 5,~~613~~605.4470 ~~793~~804.3267 Totals ~~280~~274,~~814~~508,~~940~~912.0440 1,~~668~~630,~~741~~294.2359 67,~~306~~894,~~027~~905.6447

Certificateholder Distribution Summary (continued) Current Ending Cumulative Realized Certificate Total Realized Class Loss Balance Distribution Losses A-1 0.00 2524,~~739~~955,~~070~~485.6761 ~~680~~835,~~799~~676.5822 0.00 A-2 0.00 0.00 ~~144~~140,~~715~~839.4706 0.00 A-3 0.00 ~~195~~188,~~174~~122,~~635~~370.9948 68,~~737~~108,~~673~~843.5666 0.00 A-4 0.00 10,827,000.00 58,~~646~~611.2598 0.00 A-5 0.00 25,650,000.00 138,~~937~~856.5031 0.00 APO 0.00 ~~744~~698,~~464~~622.4661 1545,~~363~~841.0685 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 9391,~~431~~269.2247 0.00 B-1 0.00 8,~~542~~535,~~771~~877.2452 54,~~887~~918.7973 0.00 B-2 0.00 2,~~989~~987,~~920~~507.0529 19,~~210~~221.4123 0.00 B-3 0.00 1,~~993~~991,~~280~~671.0353 12,~~806~~814.9416 0.00 B-4 0.00 ~~996~~995,~~640~~835.0276 6,~~403~~407.4707 0.00 B-5 0.00 853,~~977~~288.8370 5,~~486~~489.8695 0.00 B-6 0.00 ~~997~~996,~~152~~347.1145 6,~~406~~410.7637 0.00 Totals 0.00 ~~274~~266,~~508~~614,~~912~~006.4095 79,~~974~~525,~~768~~200.8706 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 2625,~~366~~739,~~834~~070.4667 20,~~960~~770.3053 ~~606~~762,~~803~~814.4953 0.00 0.00 A-2 0.00 0.00 0.00 0.00 0.00 0.00 A-3 204,957,900.00 ~~200~~195,~~824~~174,~~510~~635.1299 ~~188~~186,~~642~~934.6976 56,~~461~~865,~~231~~330.4476 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 ~~759~~744,~~827~~464.5246 ~~675~~666.1377 1445,~~687~~175.9308 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,~~549~~542,~~567~~771.7124 6,~~796~~893.4772 0.00 0.00 0.00 B-2 2,997,000.00 2,~~992~~989,~~298~~920.7805 2,~~378~~412.7376 0.00 0.00 0.00 B-3 1,998,000.00 1,~~994~~993,~~865~~280.8503 1,~~585~~608.8251 0.00 0.00 0.00 B-4 999,000.00 ~~997~~996,~~432~~640.9302 ~~792~~804.9125 0.00 0.00 0.00 B-5 856,000.00 ~~854~~853,~~657~~977.2483 ~~679~~689.4113 0.00 0.00 0.00 B-6 999,513.31 997,~~945~~152.4311 ~~793~~804.3267 0.00 0.00 0.00 Totals 285,434,932.40 ~~280~~274,~~814~~508,~~940~~912.0440 ~~223~~221,~~304~~585.7810 67,~~082~~673,~~722~~320.8637 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 ~~627~~783,~~763~~585.7906 2524,~~739~~955,~~070~~485.6761 0.~~95947867~~93026887 ~~627~~783,~~763~~585.7906 A-2 0.00 0.00 0.00000000 0.00 A-3 57,~~649~~052,~~874~~265.1352 ~~195~~188,~~174~~122,~~635~~370.9948 0.~~95226696~~91785860 57,~~649~~052,~~874~~265.1352 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 1545,~~363~~841.0685 ~~744~~698,~~464~~622.4661 0.~~97786128~~91764757 1545,~~363~~841.0685 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,~~796~~893.4772 8,~~542~~535,~~771~~877.2452 0.~~99763766~~99683260 6,~~796~~893.4772 B-2 2,~~378~~412.7376 2,~~989~~987,~~920~~507.0529 0.~~99763765~~99683260 2,~~378~~412.7376 B-3 1,~~585~~608.8251 1,~~993~~991,~~280~~671.0353 0.~~99763765~~99683260 1,~~585~~608.8251 B-4 ~~792~~804.9125 ~~996~~995,~~640~~835.0276 0.~~99763766~~99683259 ~~792~~804.9125 B-5 ~~679~~689.4113 853,~~977~~288.8370 0.~~99763765~~99683259 ~~679~~689.4113 B-6 ~~793~~804.3267 ~~997~~996,~~152~~347.1145 0.~~99763765~~99683260 ~~793~~804.3267 Totals 67,~~306~~894,~~027~~905.6447 ~~274~~266,~~508~~614,~~912~~006.4095 0.~~96172150~~93406229 67,~~306~~894,~~027~~905.6447

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 ~~982~~959.~~87989905~~47866704 0.~~78133981~~77426573 2228.~~61989219~~43553591 0.00000000 A-2 0.00 0.00000000 0.00000000 0.00000000 0.00000000 A-3 204,957,900.00 ~~979~~952.~~83298092~~26695819 0.~~92039726~~91206418 2633.~~64562547~~49629734 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 ~~998~~977.~~04080836~~86128022 0.~~88678980~~87580885 1959.~~29273834~~33790521 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 ~~998~~997.~~43135700~~63765503 0.~~79370197~~80505897 0.00000000 0.00000000 B-2 2,997,000.00 ~~998~~997.~~43135802~~63765432 0.~~79370370~~80505839 0.00000000 0.00000000 B-3 1,998,000.00 ~~998~~997.~~43135636~~63765265 0.~~79370370~~80506006 0.00000000 0.00000000 B-4 999,000.00 ~~998~~997.~~43136136~~63765766 0.~~79370370~~80505506 0.00000000 0.00000000 B-5 856,000.00 ~~998~~997.~~43135514~~63765187 0.~~79370327~~80505841 0.00000000 0.00000000 B-6 999,513.31 ~~998~~997.~~43135656~~63765027 0.~~79370629~~80506182 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 2329.~~40123201~~20980165 ~~959~~930.~~47866704~~26886540 0.~~95947867~~93026887 2329.~~40123201~~20980165 A-2 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 A-3 0.00000000 2734.~~56602273~~40836152 ~~952~~917.~~26695819~~85859672 0.~~95226696~~91785860 2734.~~56602273~~40836152 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 2060.~~17952814~~21371407 ~~977~~917.~~86128022~~64756615 0.~~97786128~~91764757 2060.~~17952814~~21371407 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.~~79370197~~80505897 ~~997~~996.~~63765503~~83259605 0.~~99763766~~99683260 0.~~79370197~~80505897 B-2 0.00000000 0.~~79370370~~80505839 ~~997~~996.~~63765432~~83259593 0.~~99763765~~99683260 0.~~79370370~~80505839 B-3 0.00000000 0.~~79370370~~80506006 ~~997~~996.~~63765265~~83259760 0.~~99763765~~99683260 0.~~79370370~~80506006 B-4 0.00000000 0.~~79370370~~80505506 ~~997~~996.~~63765766~~83259259 0.~~99763766~~99683259 0.~~79370370~~80505506 B-5 0.00000000 0.~~79370327~~80505841 ~~997~~996.~~63765187~~83259346 0.~~99763765~~99683259 0.~~79370327~~80505841 B-6 0.00000000 0.~~79370629~~80506182 ~~997~~996.~~63765027~~83259846 0.~~99763765~~99683260 0.~~79370629~~80506182 (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 2.~~41375~~43000% 2625,~~366~~739,~~834~~070.4667 5352,~~035~~121.7962 0.00 0.00 A-2 0.00 6.~~58625~~57000% 2625,~~366~~739,~~834~~070.4667 ~~144~~140,~~715~~921.4741 0.00 0.00 A-3 204,957,900.00 6.50000% ~~200~~195,~~824~~174,~~510~~635.1299 1,~~087~~057,~~799~~195.4394 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% ~~759~~744,~~827~~464.5246 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% 16,~~609~~235,~~994~~171.6078 9391,~~431~~322.2284 0.00 0.00 B-1 8,563,000.00 6.75000% 8,~~549~~542,~~567~~771.7124 48,~~091~~053.3209 0.00 0.00 B-2 2,997,000.00 6.75000% 2,~~992~~989,~~298~~920.7805 16,~~831~~818.6830 0.00 0.00 B-3 1,998,000.00 6.75000% 1,~~994~~993,~~865~~280.8503 11,~~221~~212.1220 0.00 0.00 B-4 999,000.00 6.75000% ~~997~~996,~~432~~640.9302 5,~~610~~606.5610 0.00 0.00 B-5 856,000.00 6.75000% ~~854~~853,~~657~~977.2483 4,~~807~~803.4563 0.00 0.00 B-6 999,513.31 6.75000% 997,~~945~~152.4311 5,~~613~~608.4498 0.00 0.00 Totals 285,434,932.40 1,~~668~~631,~~741~~247.2386 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-1 030.0046 0.00 5352,~~035~~091.7916 0.00 2524,~~739~~955,~~070~~485.6761 A-2 082.0035 0.00 ~~144~~140,~~715~~839.4706 0.00 2524,~~739~~955,~~070~~485.6761 A-3 0617.0081 0.00 1,~~087~~056,~~799~~578.4314 0.00 ~~195~~188,~~174~~122,~~635~~370.9948 A-4 034.0027 0.00 58,~~646~~611.2598 0.00 10,827,000.00 A-5 081.0019 0.00 138,~~937~~856.5031 0.00 25,650,000.00 APO 0.00 0.00 0.00 0.00 ~~744~~698,~~464~~622.4661 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 053.0037 0.00 9391,~~431~~269.2247 0.00 1615,~~235~~852,~~171~~124.7897 B-1 028.0008 0.00 48,~~091~~025.3201 0.00 8,~~542~~535,~~771~~877.2452 B-2 09.0083 0.00 16,~~831~~808.6847 0.00 2,~~989~~987,~~920~~507.0529 B-3 06.0055 0.00 11,~~221~~205.1265 0.00 1,~~993~~991,~~280~~671.0353 B-4 03.0028 0.00 5,~~610~~602.5682 0.00 ~~996~~995,~~640~~835.0276 B-5 02.0081 0.00 4,~~807~~800.4582 0.00 853,~~977~~288.8370 B-6 03.0028 0.00 5,~~613~~605.4470 0.00 ~~997~~996,~~152~~347.1145 Totals 0953.0028 0.00 1,~~668~~630,~~741~~294.2359 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 2.~~41375~~43000% ~~982~~959.~~87989905~~47866704 1.~~97702200~~94294437 0.00000000 0.00000000 A-2 0.00 6.~~58625~~57000% ~~982~~959.~~87989905~~47866704 5.~~39457730~~25314563 0.00000000 0.00000000 A-3 204,957,900.00 6.50000% ~~979~~952.~~83298092~~26695819 5.~~30742865~~15811267 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% ~~998~~977.~~04080836~~86128022 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% ~~980~~958.~~53743482~~41052778 5.~~51552309~~39105914 0.00000000 0.00000000 B-1 8,563,000.00 6.75000% ~~998~~997.~~43135700~~63765503 5.~~61617657~~61171202 0.00000000 0.00000000 B-2 2,997,000.00 6.75000% ~~998~~997.~~43135802~~63765432 5.~~61617618~~61171171 0.00000000 0.00000000 B-3 1,998,000.00 6.75000% ~~998~~997.~~43135636~~63765265 5.~~61617618~~61171171 0.00000000 0.00000000 B-4 999,000.00 6.75000% ~~998~~997.~~43136136~~63765766 5.~~61617618~~61171171 0.00000000 0.00000000 B-5 856,000.00 6.75000% ~~998~~997.~~43135514~~63765187 5.~~61617991~~61171729 0.00000000 0.00000000 B-6 999,513.31 6.75000% ~~998~~997.~~43135656~~63765027 5.~~61617334~~61171116 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.~~00000000~~00113546 0.00000000 1.~~97702200~~94180891 0.00000000 ~~959~~930.~~47866704~~26886540 A-2 0.~~00000000~~00306977 0.00000000 5.~~39457730~~25007586 0.00000000 ~~959~~930.~~47866704~~26886540 A-3 0.~~00000000~~00301433 0.00000000 5.~~30742865~~15509839 0.00000000 ~~952~~917.~~26695819~~85859672 A-4 0.~~00000000~~00316524 0.00000000 5.~~41666667~~41350143 0.00000000 1000.00000000 A-5 0.~~00000000~~00316530 0.00000000 5.~~41666667~~41350136 0.00000000 1000.00000000 APO 0.00000000 0.00000000 0.00000000 0.00000000 ~~977~~917.~~86128022~~64756615 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~~00315059 0.00000000 5.~~51552309~~38790855 0.00000000 ~~958~~935.~~41052778~~79813413 B-1 0.~~00000000~~00327922 0.00000000 5.~~61617657~~60843279 0.00000000 ~~997~~996.~~63765503~~83259605 B-2 0.~~00000000~~00327995 0.00000000 5.~~61617618~~60843177 0.00000000 ~~997~~996.~~63765432~~83259593 B-3 0.~~00000000~~00327828 0.00000000 5.~~61617618~~60843343 0.00000000 ~~997~~996.~~63765265~~83259760 B-4 0.~~00000000~~00328328 0.00000000 5.~~61617618~~60842843 0.00000000 ~~997~~996.~~63765766~~83259259 B-5 0.~~00000000~~00328271 0.00000000 5.~~61617991~~60843458 0.00000000 ~~997~~996.~~63765187~~83259346 B-6 0.~~00000000~~00328160 0.00000000 5.~~61617334~~60842957 0.00000000 ~~997~~996.~~63765027~~83259846 (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 79,~~997~~549,~~956~~001.7410 Liquidations, Insurance Proceeds, Reserve Funds 0.00 Proceeds from Repurchased Loans 0.00 Other Amounts (Servicer Advances) 3533,~~315~~388.2051 Realized Losses 0.00 Prepayment Penalties 0.00 Total Deposits 89,~~033~~582,~~271~~389.9461 Withdrawals Reimbursement for Servicer Advances 0.00 Payment of Service Fee 5857,~~503~~189.0755 Payment of Interest and Principal 79,~~974~~525,~~768~~200.8706 Total Withdrawals (Pool Distribution Amount) 89,~~033~~582,~~271~~389.9461 Ending Balance 0.00

PREPAYMENT/CURTAILMENT INTEREST SHORTFALL Total Prepayment/Curtailment Interest Shortfall 0953.0028 Servicing Fee Support 0.00 Non-Supported Prepayment/Curtailment Interest Shortfall 0953.0028

SERVICING FEES Gross Servicing Fee 5857,~~503~~189.0755 Supported Prepayment/Curtailment Interest Shortfall 0.00 Net Servicing Fee 5857,~~503~~189.0755

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 2118 0 0 0 2118 43,~~796~~477,~~562~~657.5011 0.00 0.00 0.00 43,~~796~~477,~~562~~657.5011 60 Days 12 0 0 0 12 ~~379~~883,~~419~~393.9236 0.00 0.00 0.00 ~~379~~883,~~419~~393.9236 90 Days 01 0 0 0 01 0399,785.0051 0.00 0.00 0.00 0399,785.0051 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 2221 0 0 0 2221 54,~~175~~760,~~982~~835.4298 0.00 0.00 0.00 54,~~175~~760,~~982~~835.4298 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 1.~~960784~~725791% 0.000000% 0.000000% 0.000000% 1.~~960784~~725791% 1.~~746224~~303593% 0.000000% 0.000000% 0.000000% 1.~~746224~~303593% 60 Days 0.~~093371~~191755% 0.000000% 0.000000% 0.000000% 0.~~093371~~191755% 0.~~138131~~331138% 0.000000% 0.000000% 0.000000% 0.~~138131~~331138% 90 Days 0.~~000000~~095877% 0.000000% 0.000000% 0.000000% 0.~~000000~~095877% 0.~~000000~~149859% 0.000000% 0.000000% 0.000000% 0.~~000000~~149859% 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 2.~~054155~~013423% 0.000000% 0.000000% 0.000000% 2.~~054155~~013423% 1.~~884355~~784590% 0.000000% 0.000000% 0.000000% 1.~~884355~~784590%

OTHER INFORMATION Current Period Class A Insufficient Funds 0.00 Principal Balance of Contaminated Properties 0.00 Periodic Advance 3533,~~315~~388.2051

SUBORDINATION LEVEL/CLASS PERCENTAGE AND PREPAYMENT PERCENTAGE Current Original $ Original % Current $ Current % Class% Prepayment% Class A 17,173,832.40 6.01672411% 17,~~118~~059,~~205~~150.7486 6.~~23593806~~39844510% 9493.~~019040~~847468% 100.000000% Class B-1 7,849,513.31 2.75001845% 7,~~830~~824,~~970~~650.0473 2.~~85271978~~93482357% 3.~~120482~~209998% 0.000000% Class B-2 4,852,513.31 1.70004185% 4,~~841~~837,~~049~~143.9944 1.~~76353108~~81428706% 1.~~092151~~123480% 0.000000% Class B-3 2,854,513.31 1.00005745% 2,~~847~~845,~~769~~471.9691 1.~~03740528~~06726272% 0.~~728100~~748987% 0.000000% Class B-4 1,855,513.31 0.65006525% 1,~~851~~849,~~129~~636.9415 0.~~67434238~~69375055% 0.~~364050~~374493% 0.000000% Class B-5 999,513.31 0.35017203% ~~997~~996,~~152~~347.1145 0.~~36324945~~37370409% 0.~~311939~~320887% 0.000000% Class B-6 0.00 0.00000000% 0.00 0.00000000% 0.~~364237~~374686% 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.~~03897870~~04013293% Fraud 107,000.00 0.03748665% 107,000.00 0.~~03897870~~04013293% Special Hazard 2,997,717.00 1.05022780% 2,997,717.00 1.~~09202903~~12436591% Limit of Subordinate's Exposure to Certain Types of Losses

COLLATERAL STATEMENT Collateral Description Fixed 30 Year Ratio Strip Weighted Average Gross Coupon 7.~~380993~~380907% Weighted Average Pass-Through Rate 7.~~130993~~126739% Weighted Average Maturity(Stepdown Calculation ) ~~354~~353 Beginning Scheduled Collateral Loan Count 1,~~091~~071 Number Of Loans Paid In Full 2028 Ending Scheduled Collateral Loan Count 1,~~071~~043 Beginning Scheduled Collateral Balance ~~280~~274,~~814~~508,~~940~~912.0441 Ending Scheduled Collateral Balance ~~274~~266,~~508~~614,~~912~~006.4195 Ending Actual Collateral Balance at 3031-~~Sep~~Oct-2002 ~~274~~266,~~681~~774,~~919~~720.4272 Monthly P &I Constant 1,~~950~~910,~~548~~022.9737 Special Servicing Fee 0.00 Prepayment Penalties 0.00 Realized Loss Amount 0.00 Cumulative Realized Loss 0.00 Class A Optimal Amount 79,~~854~~374,~~203~~996.5814 Class AP Deferred Amount 0.00 Ending Scheduled Balance for Premium Loans ~~274~~266,~~508~~614,~~912~~006.4195 Scheduled Principal ~~223~~221,~~304~~585.7709 Unscheduled Principal 67,~~082~~673,~~722~~320.8637

Miscellaneous Reporting Senior Percentage 94.~~148735~~019040% Junior Percentage 5.~~851265~~980960% Senior Prepayment Percentage 100.000000%

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