8-K 1 mam02003.txt OCTOBER 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): October 25, 2002 MASTR ADJUSTABLE RATE MORTGAGES TRUST Mortgage Pass-Through Certificates, Series 2002-3 Trust (Exact name of registrant as specified in its charter) New York (governing law of 333-75724-10 06-1649235 Pooling and Servicing Agreement) (Commission 52-2379800 (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 October 25, 2002 a distribution was made to holders of MASTR ADJUSTABLE RATE MORTGAGES TRUST, Mortgage Pass-Through Certificates, Series 2002-3 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 2002-3 Trust, relating to the October 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 ADJUSTABLE RATE MORTGAGES TRUST Mortgage Pass-Through Certificates, Series 2002-3 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: 11/8/02 INDEX TO EXHIBITS Exhibit Number Description EX-99.1 Monthly report distributed to holders of Mortgage Pass-Through Certificates, Series 2002-3 Trust, relating to the October 25, 2002 distribution.

Mortgage Asset Securitization Transactions, Inc Mortgage Pass-Through Certificates Record Date: 89/3130/02 ~~Distribution Date: 9~~10/25/02 Distribution Date: MARM Series: 2002-3 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 1-A-1 576433BH8 SEQ 5.~~60018~~55871% ~~138~~132,~~112~~795,~~000~~708.0030 ~~644~~615,~~542~~144.9947 57,~~316~~506,~~291~~229.7023 2-A-1 576433BJ4 SEQ 5.75000% ~~103~~98,~~409~~012,~~000~~808.0060 ~~495~~469,~~501~~644.4671 53,~~396~~273,~~191~~744.4050 2-A-2 576433BK1 IO 0.~~30492~~23926% 0.00 2619,~~275~~542.9644 0.00 3-A-1 576433BL9 SEQ 5.~~84649~~83428% 5249,~~582~~383,~~000~~642.0072 ~~256~~240,~~183~~098.2532 31,~~198~~243,~~357~~194.2883 4-A-1 576433BM7 SEQ 6.~~21985~~20626% ~~176~~163,~~882~~875,~~000~~020.0051 ~~916~~847,~~816~~541.1598 1316,~~006~~084,~~979~~296.4931 B-1 576433BQ8 SUB 5.~~96025~~92724% 8,~~808~~799,~~000~~929.0088 43,~~748~~466.2006 8,~~070~~168.1246 B-2 576433BR6 SUB 5.~~96025~~92724% 3,~~425~~421,~~000~~861.0092 1716,~~011~~901.5482 3,~~138~~176.0831 B-3 576433BS4 SUB 5.~~96025~~92724% 2,~~936~~933,~~000~~309.0096 14,~~582~~488.7369 2,~~690~~722.0482 B-4 576433BT2 SUB 5.~~96025~~92724% ~~979~~978,~~000~~103.0001 4,~~862~~831.5721 ~~896~~907.9992 B-5 576433BU9 SUB 5.~~96025~~92724% ~~979~~978,~~000~~103.0001 4,~~862~~831.5721 ~~896~~907.9992 B-6 576433BV7 SUB 5.~~96025~~92724% 1,~~223~~222,~~856~~732.6389 6,~~078~~039.7352 1,~~121~~134.3399 A-R 576433BN5 SEQ 6.~~21985~~20626% 500.00 0.2600 500.00 A-LR 576433BP0 SEQ 6.~~21985~~20626% 500.00 0.2600 500.00 Totals ~~489~~462,~~335~~401,~~956~~220.6380 2,~~430~~282,~~466~~530.6743 2628,~~934~~124,~~733~~483.4229

Certificateholder Distribution Summary (continued) Current Ending Cumulative Realized Certificate Total Realized Class Loss Balance Distribution Losses 1-A-1 0.00 ~~132~~125,~~795~~289,~~708~~479.3006 58,~~960~~121,~~834~~373.6970 0.00 2-A-1 0.00 9894,~~012~~739,~~808~~064.6010 53,~~891~~743,~~692~~389.8621 0.00 2-A-2 0.00 0.00 2619,~~275~~542.9644 0.00 3-A-1 0.00 4948,~~383~~140,~~642~~447.7289 31,~~454~~483,~~540~~293.5315 0.00 4-A-1 0.00 ~~163~~147,~~875~~790,~~020~~724.5120 1316,~~923~~931,~~795~~838.6429 0.00 B-1 0.00 8,~~799~~791,~~929~~761.8842 51,~~818~~634.3252 0.00 B-2 0.00 3,~~421~~418,~~861~~685.9261 20,~~149~~078.6213 0.00 B-3 0.00 2,~~933~~930,~~309~~587.9614 17,~~272~~211.7751 0.00 B-4 0.00 ~~978~~977,~~103~~195.0110 5,~~759~~739.5613 0.00 B-5 0.00 ~~978~~977,~~103~~195.0110 5,~~759~~739.5613 0.00 B-6 20.4100 1,~~222~~221,~~732~~597.8990 7,~~200~~174.0651 20.4100 A-R 0.00 0.00 500.2600 0.00 A-LR 0.00 0.00 500.2600 0.00 Totals 20.4100 ~~462~~434,~~401~~276,~~220~~737.8052 2930,~~365~~407,~~200~~013.0972 20.4100 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) 1-A-1 138,112,000.00 ~~138~~132,~~112~~795,~~000~~708.0030 ~~146~~142,~~358~~544.3975 57,~~169~~363,~~933~~684.3148 0.00 0.00 2-A-1 103,409,000.00 ~~103~~98,~~409~~012,~~000~~808.0060 9893,~~497~~861.4981 53,~~297~~179,~~693~~882.9169 0.00 0.00 2-A-2 0.00 0.00 0.00 0.00 0.00 0.00 3-A-1 52,582,000.00 5249,~~582~~383,~~000~~642.0072 5149,~~379~~890.9749 31,~~146~~193,~~977~~304.3134 0.00 0.00 4-A-1 176,882,000.00 ~~176~~163,~~882~~875,~~000~~020.0051 ~~135~~126,~~293~~735.9834 1215,~~871~~957,~~685~~560.5197 0.00 0.00 B-1 8,808,000.00 8,~~808~~799,~~000~~929.0088 8,~~070~~168.1246 0.00 0.00 0.00 B-2 3,425,000.00 3,~~425~~421,~~000~~861.0092 3,~~138~~176.0831 0.00 0.00 0.00 B-3 2,936,000.00 2,~~936~~933,~~000~~309.0096 2,~~690~~722.0482 0.00 0.00 0.00 B-4 979,000.00 ~~979~~978,~~000~~103.0001 ~~896~~907.9992 0.00 0.00 0.00 B-5 979,000.00 ~~979~~978,~~000~~103.0001 ~~896~~907.9992 0.00 0.00 0.00 B-6 1,223,856.63 1,~~223~~222,~~856~~732.6389 1,~~121~~134.3399 0.00 0.00 20.4100 A-R 50.00 500.00 0.5200 490.4800 0.00 0.00 A-LR 50.00 500.00 0.5200 490.4800 0.00 0.00 Totals 489,335,956.63 ~~489~~462,~~335~~401,~~956~~220.6380 ~~448~~430,~~344~~050.4281 2627,~~486~~694,~~389~~432.0048 0.00 20.4100 (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 1-A-1 57,~~316~~506,~~291~~229.7023 ~~132~~125,~~795~~289,~~708~~479.3006 0.~~96150739~~90715853 57,~~316~~506,~~291~~229.7023 2-A-1 53,~~396~~273,~~191~~744.4050 9894,~~012~~739,~~808~~064.6010 0.~~94781700~~91615879 53,~~396~~273,~~191~~744.4050 2-A-2 0.00 0.00 0.00000000 0.00 3-A-1 31,~~198~~243,~~357~~194.2883 4948,~~383~~140,~~642~~447.7289 0.~~93917391~~91553094 31,~~198~~243,~~357~~194.2883 4-A-1 1316,~~006~~084,~~979~~296.4931 ~~163~~147,~~875~~790,~~020~~724.5120 0.~~92646522~~83553286 1316,~~006~~084,~~979~~296.4931 B-1 8,~~070~~168.1246 8,~~799~~791,~~929~~761.8842 0.~~99908377~~99815638 8,~~070~~168.1246 B-2 3,~~138~~176.0831 3,~~421~~418,~~861~~685.9261 0.~~99908377~~99815638 3,~~138~~176.0831 B-3 2,~~690~~722.0482 2,~~933~~930,~~309~~587.9614 0.~~99908377~~99815638 2,~~690~~722.0482 B-4 ~~896~~907.9992 ~~978~~977,~~103~~195.0110 0.~~99908377~~99815638 ~~896~~907.9992 B-5 ~~896~~907.9992 ~~978~~977,~~103~~195.0110 0.~~99908377~~99815638 ~~896~~907.9992 B-6 1,~~123~~134.7499 1,~~222~~221,~~732~~597.8990 0.~~99908180~~99815442 1,~~121~~134.3399 A-R 500.00 0.00 0.00000000 500.00 A-LR 500.00 0.00 0.00000000 500.00 Totals 2628,~~934~~124,~~735~~483.8329 ~~462~~434,~~401~~276,~~220~~737.8052 0.~~94495656~~88748176 2628,~~934~~124,~~733~~483.4229

Principal Distribution Factors Statement Original Beginning Scheduled Unscheduled Face Certificate Principal Principal Class (2) Amount Balance Distribution Distribution Accretion 1-A-1 138,112,000.00 ~~1000~~961.~~00000000~~50738748 1.~~05970799~~03209533 3753.~~43290453~~31676089 0.00000000 2-A-1 103,409,000.00 ~~1000~~947.~~00000000~~81700432 0.~~95250404~~90767544 5130.~~23049164~~75054096 0.00000000 2-A-2 0.00 0.00000000 0.00000000 0.00000000 0.00000000 3-A-1 52,582,000.00 ~~1000~~939.~~00000000~~17391351 0.~~97713990~~94881309 5922.~~84894660~~69416036 0.00000000 4-A-1 176,882,000.00 ~~1000~~926.~~00000000~~46521698 0.~~76488269~~71649653 7290.~~76990033~~21585560 0.00000000 B-1 8,808,000.00 ~~1000~~999.~~00000000~~08377384 0.~~91622616~~92739101 0.00000000 0.00000000 B-2 3,425,000.00 ~~1000~~999.~~00000000~~08377226 0.~~91622774~~92738978 0.00000000 0.00000000 B-3 2,936,000.00 ~~1000~~999.~~00000000~~08377384 0.~~91622616~~92739101 0.00000000 0.00000000 B-4 979,000.00 ~~1000~~999.~~00000000~~08376915 0.~~91623085~~92739530 0.00000000 0.00000000 B-5 979,000.00 ~~1000~~999.~~00000000~~08376915 0.~~91623085~~92739530 0.00000000 0.00000000 B-6 1,223,856.63 ~~1000~~999.~~00000000~~08180421 0.~~91622660~~92738804 0.00000000 0.00000000 A-R 50.00 ~~1000~~0.00000000 100.~~40000000~~00000000 ~~989~~0.~~60000000~~00000000 0.00000000 A-LR 50.00 ~~1000~~0.00000000 100.~~40000000~~00000000 ~~989~~0.~~60000000~~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 1-A-1 0.00000000 3854.~~49261252~~34885622 ~~961~~907.~~50738748~~15853119 0.~~96150739~~90715853 3854.~~49261252~~34885622 2-A-1 0.00000000 5231.~~18299568~~65821640 ~~947~~916.~~81700432~~15878792 0.~~94781700~~91615879 5231.~~18299568~~65821640 2-A-2 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 3-A-1 0.00000000 6023.~~82608649~~64297345 ~~939~~915.~~17391351~~53094006 0.~~93917391~~91553094 6023.~~82608649~~64297345 4-A-1 0.00000000 7390.~~53478302~~93235213 ~~926~~835.~~46521698~~53286485 0.~~92646522~~83553286 7390.~~53478302~~93235213 B-1 0.00000000 0.~~91622616~~92739101 ~~999~~998.~~08377384~~15638283 0.~~99908377~~99815638 0.~~91622616~~92739101 B-2 0.00000000 0.~~91622774~~92738978 ~~999~~998.~~08377226~~15638248 0.~~99908377~~99815638 0.~~91622774~~92738978 B-3 0.00000000 0.~~91622616~~92739101 ~~999~~998.~~08377384~~15638283 0.~~99908377~~99815638 0.~~91622616~~92739101 B-4 0.00000000 0.~~91623085~~92739530 ~~999~~998.~~08376915~~15638407 0.~~99908377~~99815638 0.~~91623085~~92739530 B-5 0.00000000 0.~~91623085~~92739530 ~~999~~998.~~08376915~~15638407 0.~~99908377~~99815638 0.~~91623085~~92739530 B-6 0.~~00196918~~00000000 0.~~91819579~~92738804 ~~999~~998.~~08180421~~15441618 0.~~99908180~~99815442 0.~~91622660~~92738804 A-R 0.00000000 ~~1,000~~0.00000000 0.00000000 0.00000000 ~~1,000~~0.00000000 A-LR 0.00000000 ~~1,000~~0.00000000 0.00000000 0.00000000 ~~1,000~~0.00000000 (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 1-A-1 138,112,000.00 5.~~60018~~55871% ~~138~~132,~~112~~795,~~000~~708.0030 ~~644~~615,~~542~~144.9947 0.00 0.00 2-A-1 103,409,000.00 5.75000% ~~103~~98,~~409~~012,~~000~~808.0060 ~~495~~469,~~501~~644.4671 0.00 0.00 2-A-2 0.00 0.~~30492~~23926% ~~103~~98,~~409~~012,~~000~~808.0060 2619,~~275~~542.9644 0.00 0.00 3-A-1 52,582,000.00 5.~~84649~~83428% 5249,~~582~~383,~~000~~642.0072 ~~256~~240,~~183~~098.2532 0.00 0.00 4-A-1 176,882,000.00 6.~~21985~~20626% ~~176~~163,~~882~~875,~~000~~020.0051 ~~916~~847,~~816~~541.1598 0.00 0.00 B-1 8,808,000.00 5.~~96025~~92724% 8,~~808~~799,~~000~~929.0088 43,~~748~~466.2006 0.00 0.00 B-2 3,425,000.00 5.~~96025~~92724% 3,~~425~~421,~~000~~861.0092 1716,~~011~~901.5482 0.00 0.00 B-3 2,936,000.00 5.~~96025~~92724% 2,~~936~~933,~~000~~309.0096 14,~~582~~488.7369 0.00 0.00 B-4 979,000.00 5.~~96025~~92724% ~~979~~978,~~000~~103.0001 4,~~862~~831.5721 0.00 0.00 B-5 979,000.00 5.~~96025~~92724% ~~979~~978,~~000~~103.0001 4,~~862~~831.5721 0.00 0.00 B-6 1,223,856.63 5.~~96025~~92724% 1,~~223~~222,~~856~~732.6389 6,~~078~~039.7352 0.00 0.00 A-R 50.00 6.~~21985~~20626% 500.00 0.2600 0.00 0.00 A-LR 50.00 6.~~21985~~20626% 500.00 0.2600 0.00 0.00 Totals 489,335,956.63 2,~~430~~282,~~466~~530.6743 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 1-A-1 0.00 0.00 ~~644~~615,~~542~~144.9947 0.00 ~~132~~125,~~795~~289,~~708~~479.3006 2-A-1 0.00 0.00 ~~495~~469,~~501~~644.4671 0.00 9894,~~012~~739,~~808~~064.6010 2-A-2 0.00 0.00 2619,~~275~~542.9644 0.00 9894,~~012~~739,~~808~~064.6010 3-A-1 0.00 0.00 ~~256~~240,~~183~~098.2532 0.00 4948,~~383~~140,~~642~~447.7289 4-A-1 0.00 0.00 ~~916~~847,~~816~~541.1598 0.00 ~~163~~147,~~875~~790,~~020~~724.5120 B-1 0.00 0.00 43,~~748~~466.2006 0.00 8,~~799~~791,~~929~~761.8842 B-2 0.00 0.00 1716,~~011~~901.5482 0.00 3,~~421~~418,~~861~~685.9261 B-3 0.00 0.00 14,~~582~~488.7369 0.00 2,~~933~~930,~~309~~587.9614 B-4 0.00 0.00 4,~~862~~831.5721 0.00 ~~978~~977,~~103~~195.0110 B-5 0.00 0.00 4,~~862~~831.5721 0.00 ~~978~~977,~~103~~195.0110 B-6 0.00 0.00 6,~~078~~039.7352 0.00 1,~~222~~221,~~732~~597.8990 A-R 0.00 0.00 0.2600 0.00 0.00 A-LR 0.00 0.00 0.2600 0.00 0.00 Totals 0.00 0.00 2,~~430~~282,~~466~~530.6743 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 1-A-1 138,112,000.00 5.~~60018~~55871% ~~1000~~961.~~00000000~~50738748 4.~~66681382~~45395382 0.00000000 0.00000000 2-A-1 103,409,000.00 5.75000% ~~1000~~947.~~00000000~~81700432 4.~~79166668~~54162317 0.00000000 0.00000000 2-A-2 0.00 0.~~30492~~23926% ~~1000~~947.~~00000000~~81700432 0.~~25409742~~18898200 0.00000000 0.00000000 3-A-1 52,582,000.00 5.~~84649~~83428% ~~1000~~939.~~00000000~~17391351 4.~~87207124~~56616941 0.00000000 0.00000000 4-A-1 176,882,000.00 6.~~21985~~20626% ~~1000~~926.~~00000000~~46521698 54.~~18320773~~79156715 0.00000000 0.00000000 B-1 8,808,000.00 5.~~96025~~92724% ~~1000~~999.~~00000000~~08377384 4.~~96687103~~93483878 0.00000000 0.00000000 B-2 3,425,000.00 5.~~96025~~92724% ~~1000~~999.~~00000000~~08377226 4.~~96687299~~93483796 0.00000000 0.00000000 B-3 2,936,000.00 5.~~96025~~92724% ~~1000~~999.~~00000000~~08377384 4.~~96686989~~93483992 0.00000000 0.00000000 B-4 979,000.00 5.~~96025~~92724% ~~1000~~999.~~00000000~~08376915 4.~~96687436~~93484168 0.00000000 0.00000000 B-5 979,000.00 5.~~96025~~92724% ~~1000~~999.~~00000000~~08376915 4.~~96687436~~93484168 0.00000000 0.00000000 B-6 1,223,856.63 5.~~96025~~92724% ~~1000~~999.~~00000000~~08180421 4.~~96686446~~93482639 0.00000000 0.00000000 A-R 50.00 6.~~21985~~20626% ~~1000~~0.00000000 50.~~20000000~~00000000 0.00000000 0.00000000 A-LR 50.00 6.~~21985~~20626% ~~1000~~0.00000000 50.~~20000000~~00000000 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 1-A-1 0.00000000 0.00000000 4.~~66681382~~45395382 0.00000000 ~~961~~907.~~50738748~~15853119 2-A-1 0.00000000 0.00000000 4.~~79166668~~54162317 0.00000000 ~~947~~916.~~81700432~~15878792 2-A-2 0.00000000 0.00000000 0.~~25409742~~18898200 0.00000000 ~~947~~916.~~81700432~~15878792 3-A-1 0.00000000 0.00000000 4.~~87207124~~56616941 0.00000000 ~~939~~915.~~17391351~~53094006 4-A-1 0.00000000 0.00000000 54.~~18320773~~79156715 0.00000000 ~~926~~835.~~46521698~~53286485 B-1 0.00000000 0.00000000 4.~~96687103~~93483878 0.00000000 ~~999~~998.~~08377384~~15638283 B-2 0.00000000 0.00000000 4.~~96687299~~93483796 0.00000000 ~~999~~998.~~08377226~~15638248 B-3 0.00000000 0.00000000 4.~~96686989~~93483992 0.00000000 ~~999~~998.~~08377384~~15638283 B-4 0.00000000 0.00000000 4.~~96687436~~93484168 0.00000000 ~~999~~998.~~08376915~~15638407 B-5 0.00000000 0.00000000 4.~~96687436~~93484168 0.00000000 ~~999~~998.~~08376915~~15638407 B-6 0.00000000 0.00000000 4.~~96686446~~93482639 0.00000000 ~~999~~998.~~08180421~~15441618 A-R 0.00000000 0.00000000 50.~~20000000~~00000000 0.00000000 0.00000000 A-LR 0.00000000 0.00000000 50.~~20000000~~00000000 0.00000000 0.00000000 (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 2930,~~482~~510,~~327~~665.7644 Liquidations, Insurance Proceeds, Reserve Funds 0.00 Proceeds from Repurchased Loans 0.00 Other Amounts (Servicer Advances) 1224,~~973~~543.6216 Realized Losses (20.~~41)~~00 Prepayment Penalties 0.00 Total Deposits 2930,~~495~~535,~~298~~208.9760 Withdrawals Reimbursement for Servicer Advances 0.00 Payment of Service Fee ~~130~~128,~~098~~194.88 Payment of Interest and Principal 2930,~~365~~407,~~200~~013.0972 Total Withdrawals (Pool Distribution Amount) 2930,~~495~~535,~~298~~208.9760 Ending Balance 0.00

SERVICING FEES Gross Servicing Fee ~~130~~128,~~098~~194.88 Supported Prepayment/Curtailment Interest Shortfall 0.00 Net Servicing Fee ~~130~~128,~~098~~194.88

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 59 0 0 0 59 24,~~112~~397,~~093~~013.7293 0.00 0.00 0.00 24,~~112~~397,~~093~~013.7293 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 59 0 0 0 59 24,~~112~~397,~~093~~013.7293 0.00 0.00 0.00 24,~~112~~397,~~093~~013.7293 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.~~490677~~932642% 0.000000% 0.000000% 0.000000% 0.~~490677~~932642% 01.~~456465~~011762% 0.000000% 0.000000% 0.000000% 01.~~456465~~011762% 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.~~490677~~932642% 0.000000% 0.000000% 0.000000% 0.~~490677~~932642% 01.~~456465~~011762% 0.000000% 0.000000% 0.000000% 01.~~456465~~011762%

Delinquency Status By Groups DELINQUENT BANKRUPTCY FORECLOSURE REO Total Group 1 No of Loans No of Loans No of Loans No of Loans No of Loans Principal Balance Principal Balance Principal Balance Principal Balance Principal Balance 0-29 Days 0 0 0 0 0.00 0.00 0.00 0.00 30 Days 06 0 0 0 06 02,993,632.0016 0.00 0.00 0.00 02,993,632.0016 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 06 0 0 0 06 02,993,632.0016 0.00 0.00 0.00 02,993,632.0016 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 02.~~000000~~214022% 0.000000% 0.000000% 0.000000% 02.~~000000~~214022% 02.~~000000~~289152% 0.000000% 0.000000% 0.000000% 02.~~000000~~289152% 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 02.~~000000~~214022% 0.000000% 0.000000% 0.000000% 02.~~000000~~214022% 02.~~000000~~289152% 0.000000% 0.000000% 0.000000% 02.~~000000~~289152% DELINQUENT BANKRUPTCY FORECLOSURE REO Total Group 2 No of Loans No of Loans No of Loans No of Loans No of Loans Principal Balance Principal Balance Principal Balance Principal Balance Principal Balance 0-29 Days 0 0 0 0 0.00 0.00 0.00 0.00 30 Days 21 0 0 0 21 ~~656~~523,~~000~~265.0097 0.00 0.00 0.00 ~~656~~523,~~000~~265.0097 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 21 0 0 0 21 ~~656~~523,~~000~~265.0097 0.00 0.00 0.00 ~~656~~523,~~000~~265.0097 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 0.~~847458~~436681% 0.000000% 0.000000% 0.000000% 0.~~847458~~436681% 0.~~642468~~529439% 0.000000% 0.000000% 0.000000% 0.~~642468~~529439% 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.~~847458~~436681% 0.000000% 0.000000% 0.000000% 0.~~847458~~436681% 0.~~642468~~529439% 0.000000% 0.000000% 0.000000% 0.~~642468~~529439% DELINQUENT BANKRUPTCY FORECLOSURE REO Total Group 3 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 01 0 0 0 01 0333,800.00 0.00 0.00 0.00 0333,800.00 60 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 90 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 120 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 150 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 180 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 Totals 01 0 0 0 01 0333,800.00 0.00 0.00 0.00 0333,800.00 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 0.~~000000~~769231% 0.000000% 0.000000% 0.000000% 0.~~000000~~769231% 0.~~000000~~664654% 0.000000% 0.000000% 0.000000% 0.~~000000~~664654% 60 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 90 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 120 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 150 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 180 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% Totals 0.~~000000~~769231% 0.000000% 0.000000% 0.000000% 0.~~000000~~769231% 0.~~000000~~664654% 0.000000% 0.000000% 0.000000% 0.~~000000~~664654% DELINQUENT BANKRUPTCY FORECLOSURE REO Total Group 4 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 31 0 0 0 3 1 546,~~456,093~~315.7280 0.00 0.00 0.00 1546,~~456,093~~315.7280 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 31 0 0 0 3 1 546,~~456,093~~315.7280 0.00 0.00 0.00 1546,~~456,093~~315.7280 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 0.~~819672~~298507% 0.000000% 0.000000% 0.000000% 0.~~819672~~298507% 0.~~852248~~353010% 0.000000% 0.000000% 0.000000% 0.~~852248~~353010% 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.~~819672~~298507% 0.000000% 0.000000% 0.000000% 0.~~819672~~298507% 0.~~852248~~353010% 0.000000% 0.000000% 0.000000% 0.~~852248~~353010%

OTHER INFORMATION Current Period Class A Insufficient Funds 0.00 Principal Balance of Contaminated Properties 0.00 Periodic Advance 1224,~~973~~543.6216

CREDIT ENHANCEMENT Original $ Original % Current $ Current % Bankruptcy 141,209.00 0.02885727% 141,209.00 0.~~03053820~~03251590% Fraud 9,786,719.00 1.99999998% 9,786,719.00 2.~~11649939~~25356740% Special Hazard 6,120,000.00 1.25067450% 6,120,000.00 1.~~32352592~~40923966% Limit of Subordinate's Exposure to Certain Types of Losses

COLLATERAL STATEMENT Collateral Description Fixed & Mixed ARM Weighted Average Gross Coupon 6.~~279282~~256191% Weighted Average Net Coupon 5.~~960240~~923506% Weighted Average Pass-Through Rate 5.~~960240~~923506% Weighted Average Maturity(Stepdown Calculation ) ~~356~~355 Beginning Scheduled Collateral Loan Count 1,~~074~~019 Number Of Loans Paid In Full 5554 Ending Scheduled Collateral Loan Count ~~1,019~~965 Beginning Scheduled Collateral Balance ~~489~~462,~~335~~401,~~954~~220.2280 Ending Scheduled Collateral Balance ~~462~~434,~~401~~276,~~220~~737.8051 Ending Actual Collateral Balance at 3130-~~Aug~~Sep-2002 ~~462~~434,~~706~~589,~~383~~710.1439 Monthly P &I Constant 32,~~008~~840,~~909~~776.8112 Special Servicing Fee 0.00 Prepayment Penalties 0.00 Realized Loss Amount 0.00 Cumulative Realized Loss 0.00 Ending Scheduled Balance for Premium Loans ~~462~~434,~~401~~276,~~220~~737.8051 Scheduled Principal ~~448~~430,~~344~~050.4281 Unscheduled Principal 2627,~~486~~694,~~389~~432.0048

Miscellaneous Reporting Group 1 Senior % 96.~~250006~~109692% Group 1 Junior % 3.~~749994~~890308% Group 1 Senior Prepayment % 100.000000% Group 2 Senior % 96.~~250138~~055449% Group 2 Junior % 3.~~749862~~944551% Group 2 Senior Prepayment % 100.000000% Group 3 Senior % 96.~~249372~~019876% Group 3 Junior % 3.~~750628~~980124% Group 3 Senior Prepayment % 100.000000% Group 4 Senior % 9695.~~249690~~966997% Group 4 Junior % 34.~~750310~~033003% Group 4 Senior Prepayment % 100.000000%

Group Level Collateral Statement Group Group 1 Group 2 Group 3 Collateral Description Fixed 15 Year Fixed 15 Year 5/1 CMT ARM Weighted Average Coupon Rate 5.~~926189~~903197 6.~~304917~~275334 6.~~094754~~087255 Weighted Average Net Rate 5.~~600177~~558714 65.~~054917~~989264 5.~~846486~~834280 Weighted Average Maturity 355 356 ~~357~~356 ~~357~~ Beginning Loan Count ~~295~~284 ~~246~~236 ~~140~~133 Loans Paid In Full 1113 10 7 3 Ending Loan Count ~~284~~271 ~~236~~229 ~~133~~130 Beginning Scheduled Balance ~~143~~138,~~492~~170,~~978~~984.5356 ~~107~~102,~~437~~037,~~768~~739.5068 5451,~~631~~430,~~005~~646.6520 Ending scheduled Balance ~~138~~130,~~170~~658,~~984~~985.5643 ~~102~~98,~~037~~760,~~739~~140.6871 5150,~~430~~185,~~646~~383.2036 Record Date 0809/3130/2002 0809/3130/2002 0809/3130/2002 Principal And Interest Constant ~~860~~828,~~699~~023.4538 ~~666~~631,~~823~~317.4105 ~~330~~312,~~850~~851.9439 Scheduled Principal ~~152~~148,~~060~~314.6665 ~~102~~97,~~334~~716.9128 5351,~~382~~958.1450 Unscheduled Principal 57,~~169~~363,~~933~~684.3148 53,~~297~~179,~~693~~882.9169 31,~~146~~193,~~977~~304.3134 Scheduled Interest ~~708~~679,~~638~~708.7973 ~~564~~533,~~488~~600.5077 ~~277~~260,~~468~~892.8089 Servicing Fees 3839,~~983~~664.7858 2224,~~382~~324.8698 1110,~~302~~842.6325 Master Servicing Fees 0.00 0.00 0.00 Trustee Fee 0.00 0.00 0.00 FRY Amount 0.00 0.00 0.00 Special Hazard Fee 0.00 0.00 0.00 Other Fee 0.00 0.00 0.00 Pool Insurance Fee 0.00 0.00 0.00 Spread Fee 1 0.00 0.00 0.00 Spread Fee 2 0.00 0.00 0.00 Spread Fee 3 0.00 0.00 0.00 Net Interest ~~669~~640,~~655~~044.0115 ~~542~~509,~~105~~275.6479 ~~266~~250,~~166~~050.1764 Realized Loss Amount 0.00 0.00 0.00 Cumulative Realized Loss 0.00 0.00 0.00 Percentage of Cumulative Losses 0.00 0.00 0.00 Prepayment Penalties 0.00 0.00 0.00 Special Servicing Fee 0.00 0.00 0.00 Pass-Through Rate 5.~~600177~~558714 65.~~054917~~989264 5.~~846486~~834280

Group Level Collateral Statement Group Group 4 Total Collateral Description 7/1 CMT ARM Fixed & Mixed ARM Weighted Average Coupon Rate 6.~~594849~~581256 6.~~279282~~256191 Weighted Average Net Rate 6.~~219849~~206256 5.~~960240~~923506 Weighted Average Maturity 354 355 ~~356~~ Beginning Loan Count ~~393~~366 1,~~074~~019 Loans Paid In Full 2731 5554 Ending Loan Count ~~366~~335 ~~1,019~~965 Beginning Scheduled Balance ~~183~~170,~~774~~761,~~201~~850.5436 ~~489~~462,~~335~~401,~~954~~220.2280 Ending scheduled Balance ~~170~~154,~~761~~672,~~850~~228.3601 ~~462~~434,~~401~~276,~~220~~737.8051 Record Date 0809/3130/2002 0809/3130/2002 Principal And Interest Constant 1,~~150~~068,~~536~~584.0130 32,~~008~~840,~~909~~776.8112 Scheduled Principal ~~140~~132,~~566~~061.7138 ~~448~~430,~~344~~050.4281 Unscheduled Principal 1215,~~871~~957,~~784~~560.4797 2627,~~486~~694,~~389~~432.0048 Scheduled Interest 1936,~~009,969~~522.3092 2,~~560~~410,~~565~~725.3931 Servicing Fees 5753,~~429~~363.4408 ~~130~~128,~~098~~194.7189 Master Servicing Fees 0.00 0.00 Trustee Fee 0.00 0.00 FRY Amount 0.00 0.00 Special Hazard Fee 0.00 0.00 Other Fee 0.00 0.00 Pool Insurance Fee 0.00 0.00 Spread Fee 1 0.00 0.00 Spread Fee 2 0.00 0.00 Spread Fee 3 0.00 0.00 Net Interest ~~952~~883,~~539~~159.8684 2,~~430~~282,~~466~~530.6842 Realized Loss Amount 0.00 0.00 Cumulative Realized Loss 0.00 0.00 Percentage of Cumulative Losses 0.00 0.00 Prepayment Penalties 0.00 0.00 Special Servicing Fee 0.00 0.00 Pass-Through Rate 6.~~219849~~206256 5.~~960240~~923506

Filing Compare · MORTGAGE ASSET SEC TRANS INC MASTR ADJ RATE MORT TR 2002 3