8-K 1 mam02003.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 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 Pooling and Servicing Agreement) (Commission 06-1649235 (State or other File Number) 52-2379800 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 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 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 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: 1/3/03 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 December 26, 2002 distribution. EX-99.1

Mortgage Asset Securitization Transactions, Inc Mortgage Pass-Through Certificates Record Date: ~~10/31/02~~ 11/2530/02 Distribution Date: 12/26/02 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.~~57514~~57150% ~~125~~115,~~289~~681,~~479~~484.0698 ~~582~~537,~~088~~099.1714 97,~~607~~364,~~994~~484.0926 2-A-1 576433BJ4 SEQ 5.75000% 9490,~~739~~880,~~064~~240.1072 ~~453~~435,~~958~~467.0282 34,~~858~~265,~~823~~775.3749 2-A-2 576433BK1 IO 0.~~27247~~25959% 0.00 2119,~~511~~659.4957 0.00 3-A-1 576433BL9 SEQ 5.~~82297~~77562% 4844,~~140~~646,~~447~~452.8916 ~~233~~214,~~600~~884.1815 31,~~493~~821,~~995~~719.7335 4-A-1 576433BM7 SEQ 6.~~19903~~18704% ~~147~~135,~~790~~452,~~724~~291.2037 ~~763~~698,~~466~~373.4576 1211,~~338~~324,~~432~~210.8370 B-1 576433BQ8 SUB 5.~~93540~~92174% 8,~~791~~783,~~761~~538.4256 43,~~485~~344.5088 8,~~222~~361.8601 B-2 576433BR6 SUB 5.~~93540~~92174% 3,~~418~~415,~~685~~488.6114 16,~~909~~854.3870 3,~~197~~251.4719 B-3 576433BS4 SUB 5.~~93540~~92174% 2,~~930~~927,~~587~~846.1419 14,~~495~~448.1729 2,~~740~~787.9500 B-4 576433BT2 SUB 5.~~93540~~92174% ~~977~~976,~~195~~281.1014 4,~~833~~817.3774 ~~913~~929.9632 B-5 576433BU9 SUB 5.~~93540~~92174% ~~977~~976,~~195~~281.1014 4,~~833~~817.3774 ~~913~~929.9632 B-6 576433BV7 SUB 5.~~93540~~92174% 1,~~221~~220,~~597~~455.9035 6,~~042~~022.2269 1,~~142~~161.5575 A-R 576433BN5 SEQ 6.~~21880~~21922% 0.00 0.00 0.00 A-LR 576433BP0 SEQ 6.~~21880~~21922% 0.00 0.00 0.00 Totals ~~434~~404,~~276~~960,~~737~~359.5275 21,~~145~~995,~~223~~790.3248 2924,~~316~~793,~~377~~609.7739

Certificateholder Distribution Summary (continued) Current Ending Cumulative Realized Certificate Total Realized Class Loss Balance Distribution Losses 1-A-1 0.00 ~~115~~108,~~681~~317,~~484~~000.9872 107,~~190~~901,~~082~~583.2640 0.00 2-A-1 0.00 9086,~~880~~614,~~240~~465.7223 4,~~312~~701,~~781~~243.3931 0.00 2-A-2 0.00 0.00 2119,~~511~~659.4957 0.00 3-A-1 0.00 4442,~~646~~824,~~452~~732.1681 32,~~727~~036,~~595~~603.9150 0.00 4-A-1 0.00 ~~135~~124,~~452~~128,~~291~~080.3766 1312,~~101~~022,~~899~~584.2846 0.00 B-1 0.00 8,~~783~~775,~~538~~177.56 51,~~708~~705.3689 0.00 B-2 0.00 3,~~415~~412,~~488~~236.1496 20,~~106~~105.8589 0.00 B-3 0.00 2,~~927~~925,~~846~~059.19 17,~~236~~235.1229 0.00 B-4 0.00 ~~976~~975,~~281~~351.1482 5,747.3306 0.00 B-5 0.00 ~~976~~975,~~281~~351.1482 5,747.3306 0.00 B-6 0.00 1,~~220~~219,~~455~~293.3561 7,184.7744 0.00 A-R 0.00 0.00 0.00 0.00 A-LR 0.00 0.00 0.00 0.00 Totals 0.00 ~~404~~380,~~960~~166,~~359~~750.7538 3126,~~461~~789,~~601~~399.0987 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) 1-A-1 138,112,000.00 ~~125~~115,~~289~~681,~~479~~484.0698 ~~136~~129,~~058~~765.8019 97,~~471~~234,~~935~~719.2907 0.00 0.00 2-A-1 103,409,000.00 9490,~~739~~880,~~064~~240.1072 9188,~~353~~420.8991 34,~~767~~177,~~469~~354.4858 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 4844,~~140~~646,~~447~~452.8916 4945,~~064~~917.8257 31,~~444~~775,~~930~~801.9178 0.00 0.00 4-A-1 176,882,000.00 ~~147~~135,~~790~~452,~~724~~291.2037 ~~114~~106,~~665~~243.3150 1211,~~223~~217,~~767~~967.5220 0.00 0.00 B-1 8,808,000.00 8,~~791~~783,~~761~~538.4256 8,~~222~~361.8601 0.00 0.00 0.00 B-2 3,425,000.00 3,~~418~~415,~~685~~488.6114 3,~~197~~251.4719 0.00 0.00 0.00 B-3 2,936,000.00 2,~~930~~927,~~587~~846.1419 2,~~740~~787.9500 0.00 0.00 0.00 B-4 979,000.00 ~~977~~976,~~195~~281.1014 ~~913~~929.9632 0.00 0.00 0.00 B-5 979,000.00 ~~977~~976,~~195~~281.1014 ~~913~~929.9632 0.00 0.00 0.00 B-6 1,223,856.63 1,~~221~~220,~~597~~455.9035 1,~~142~~161.5575 0.00 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 Totals 489,335,956.63 ~~434~~404,~~276~~960,~~737~~359.5275 ~~408~~387,~~274~~766.5776 2824,~~908~~405,~~103~~842.2063 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 1-A-1 97,~~607~~364,~~994~~484.0926 ~~115~~108,~~681~~317,~~484~~000.9872 0.~~83759185~~78426929 97,~~607~~364,~~994~~484.0926 2-A-1 34,~~858~~265,~~823~~775.3749 9086,~~880~~614,~~240~~465.7223 0.~~87884266~~83759117 34,~~858~~265,~~823~~775.3749 2-A-2 0.00 0.00 0.00000000 0.00 3-A-1 31,~~493~~821,~~995~~719.7335 4442,~~646~~824,~~452~~732.1681 0.~~84908243~~81443712 31,~~493~~821,~~995~~719.7335 4-A-1 1211,~~338~~324,~~432~~210.8370 ~~135~~124,~~452~~128,~~291~~080.3766 0.~~76577770~~70175643 1211,~~338~~324,~~432~~210.8370 B-1 8,~~222~~361.8601 8,~~783~~775,~~538~~177.56 0.~~99722282~~99627356 8,~~222~~361.8601 B-2 3,~~197~~251.4719 3,~~415~~412,~~488~~236.1496 0.~~99722281~~99627356 3,~~197~~251.4719 B-3 2,~~740~~787.9500 2,~~927~~925,~~846~~059.19 0.~~99722282~~99627357 2,~~740~~787.9500 B-4 ~~913~~929.9632 ~~976~~975,~~281~~351.1482 0.~~99722282~~99627356 ~~913~~929.9632 B-5 ~~913~~929.9632 ~~976~~975,~~281~~351.1482 0.~~99722282~~99627356 ~~913~~929.9632 B-6 1,~~142~~161.5575 1,~~220~~219,~~455~~293.3561 0.~~99722085~~99627161 1,~~142~~161.5575 A-R 0.00 0.00 0.00000000 0.00 A-LR 0.00 0.00 0.00000000 0.00 Totals 2924,~~316~~793,~~377~~609.7739 ~~404~~380,~~960~~166,~~359~~750.7538 0.~~82757123~~77690336 2924,~~316~~793,~~377~~609.7739

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 ~~907~~837.~~15853119~~59184560 0.~~98513380~~93956492 6852.~~58155186~~38298678 0.00000000 2-A-1 103,409,000.00 ~~916~~878.~~15878792~~84266089 0.~~88342301~~85506010 3640.~~43270392~~39643145 0.00000000 2-A-2 0.00 0.00000000 0.00000000 0.00000000 0.00000000 3-A-1 52,582,000.00 ~~915~~849.~~53094006~~08242669 0.~~93311057~~87325644 6533.~~51540280~~77204709 0.00000000 4-A-1 176,882,000.00 ~~835~~765.~~53286485~~77770135 0.~~64825878~~60064619 6963.~~10690472~~42062618 0.00000000 B-1 8,808,000.00 ~~998~~997.~~15638283~~22281562 0.~~93356721~~94925182 0.00000000 0.00000000 B-2 3,425,000.00 ~~998~~997.~~15638248~~22281460 0.~~93356788~~94925255 0.00000000 0.00000000 B-3 2,936,000.00 ~~998~~997.~~15638283~~22281676 0.~~93356608~~94925068 0.00000000 0.00000000 B-4 979,000.00 ~~998~~997.~~15638407~~22281920 0.~~93356486~~94925434 0.00000000 0.00000000 B-5 979,000.00 ~~998~~997.~~15638407~~22281920 0.~~93356486~~94925434 0.00000000 0.00000000 B-6 1,223,856.63 ~~998~~997.~~15441618~~22085094 0.~~93356523~~94925335 0.00000000 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 (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 6953.~~56668566~~32255170 ~~837~~784.~~59184560~~26929391 0.~~83759185~~78426929 6953.~~56668566~~32255170 2-A-1 0.00000000 3741.~~31612693~~25149155 ~~878~~837.~~84266089~~59116934 0.~~87884266~~83759117 3741.~~31612693~~25149155 2-A-2 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 3-A-1 0.00000000 6634.~~44851337~~64530353 ~~849~~814.~~08242669~~43712316 0.~~84908243~~81443712 6634.~~44851337~~64530353 4-A-1 0.00000000 6964.~~75516350~~02127237 ~~765~~701.~~77770135~~75642892 0.~~76577770~~70175643 6964.~~75516350~~02127237 B-1 0.00000000 0.~~93356721~~94925182 ~~997~~996.~~22281562~~27356494 0.~~99722282~~99627356 0.~~93356721~~94925182 B-2 0.00000000 0.~~93356788~~94925255 ~~997~~996.~~22281460~~27356496 0.~~99722281~~99627356 0.~~93356788~~94925255 B-3 0.00000000 0.~~93356608~~94925068 ~~997~~996.~~22281676~~27356608 0.~~99722282~~99627357 0.~~93356608~~94925068 B-4 0.00000000 0.~~93356486~~94925434 ~~997~~996.~~22281920~~27356486 0.~~99722282~~99627356 0.~~93356486~~94925434 B-5 0.00000000 0.~~93356486~~94925434 ~~997~~996.~~22281920~~27356486 0.~~99722282~~99627356 0.~~93356486~~94925434 B-6 0.00000000 0.~~93356523~~94925335 ~~997~~996.~~22085094~~27160577 0.~~99722085~~99627161 0.~~93356523~~94925335 A-R 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 A-LR 0.00000000 0.00000000 0.00000000 0.00000000 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.~~57514~~57150% ~~125~~115,~~289~~681,~~479~~484.0698 ~~582~~537,~~088~~099.1714 0.00 0.00 2-A-1 103,409,000.00 5.75000% 9490,~~739~~880,~~064~~240.1072 ~~453~~435,~~958~~467.0282 0.00 0.00 2-A-2 0.00 0.~~27247~~25959% 9490,~~739~~880,~~064~~240.1072 2119,~~511~~659.4957 0.00 0.00 3-A-1 52,582,000.00 5.~~82297~~77562% 4844,~~140~~646,~~447~~452.8916 ~~233~~214,~~600~~884.1815 0.00 0.00 4-A-1 176,882,000.00 6.~~19903~~18704% ~~147~~135,~~790~~452,~~724~~291.2037 ~~763~~698,~~466~~373.4576 0.00 0.00 B-1 8,808,000.00 5.~~93540~~92174% 8,~~791~~783,~~761~~538.4256 43,~~485~~344.5088 0.00 0.00 B-2 3,425,000.00 5.~~93540~~92174% 3,~~418~~415,~~685~~488.6114 16,~~909~~854.3870 0.00 0.00 B-3 2,936,000.00 5.~~93540~~92174% 2,~~930~~927,~~587~~846.1419 14,~~495~~448.1729 0.00 0.00 B-4 979,000.00 5.~~93540~~92174% ~~977~~976,~~195~~281.1014 4,~~833~~817.3774 0.00 0.00 B-5 979,000.00 5.~~93540~~92174% ~~977~~976,~~195~~281.1014 4,~~833~~817.3774 0.00 0.00 B-6 1,223,856.63 5.~~93540~~92174% 1,~~221~~220,~~597~~455.9035 6,~~042~~022.2269 0.00 0.00 A-R 50.00 6.~~21880~~21922% 0.00 0.00 0.00 0.00 A-LR 50.00 6.~~21880~~21922% 0.00 0.00 0.00 0.00 Totals 489,335,956.63 21,~~145~~995,~~223~~790.3248 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 ~~582~~537,~~088~~099.1714 0.00 ~~115~~108,~~681~~317,~~484~~000.9872 2-A-1 0.00 0.00 ~~453~~435,~~958~~467.0282 0.00 9086,~~880~~614,~~240~~465.7223 2-A-2 0.00 0.00 2119,~~511~~659.4957 0.00 9086,~~880~~614,~~240~~465.7223 3-A-1 0.00 0.00 ~~233~~214,~~600~~884.1815 0.00 4442,~~646~~824,~~452~~732.1681 4-A-1 0.00 0.00 ~~763~~698,~~466~~373.4576 0.00 ~~135~~124,~~452~~128,~~291~~080.3766 B-1 0.00 0.00 43,~~485~~344.5088 0.00 8,~~783~~775,~~538~~177.56 B-2 0.00 0.00 16,~~909~~854.3870 0.00 3,~~415~~412,~~488~~236.1496 B-3 0.00 0.00 14,~~495~~448.1729 0.00 2,~~927~~925,~~846~~059.19 B-4 0.00 0.00 4,~~833~~817.3774 0.00 ~~976~~975,~~281~~351.1482 B-5 0.00 0.00 4,~~833~~817.3774 0.00 ~~976~~975,~~281~~351.1482 B-6 0.00 0.00 6,~~042~~022.2269 0.00 1,~~220~~219,~~455~~293.3561 A-R 0.00 0.00 0.00 0.00 0.00 A-LR 0.00 0.00 0.00 0.00 0.00 Totals 0.00 0.00 21,~~145~~995,~~223~~790.3248 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.~~57514~~57150% ~~907~~837.~~15853119~~59184560 43.~~21460966~~88886657 0.00000000 0.00000000 2-A-1 103,409,000.00 5.75000% ~~916~~878.~~15878792~~84266089 4.~~38992757~~21112108 0.00000000 0.00000000 2-A-2 0.00 0.~~27247~~25959% ~~916~~878.~~15878792~~84266089 0.~~20802338~~19011469 0.00000000 0.00000000 3-A-1 52,582,000.00 5.~~82297~~77562% ~~915~~849.~~53094006~~08242669 4.~~44258834~~08664847 0.00000000 0.00000000 4-A-1 176,882,000.00 6.~~19903~~18704% ~~835~~765.~~53286485~~77770135 43.~~31624727~~94824663 0.00000000 0.00000000 B-1 8,808,000.00 5.~~93540~~92174% ~~998~~997.~~15638283~~22281562 4.~~93704587~~92108084 0.00000000 0.00000000 B-2 3,425,000.00 5.~~93540~~92174% ~~998~~997.~~15638248~~22281460 4.~~93704526~~92108029 0.00000000 0.00000000 B-3 2,936,000.00 5.~~93540~~92174% ~~998~~997.~~15638283~~22281676 4.~~93704700~~92107970 0.00000000 0.00000000 B-4 979,000.00 5.~~93540~~92174% ~~998~~997.~~15638407~~22281920 4.~~93704801~~92108274 0.00000000 0.00000000 B-5 979,000.00 5.~~93540~~92174% ~~998~~997.~~15638407~~22281920 4.~~93704801~~92108274 0.00000000 0.00000000 B-6 1,223,856.63 5.~~93540~~92174% ~~998~~997.~~15441618~~22085094 4.~~93703253~~92107478 0.00000000 0.00000000 A-R 50.00 6.~~21880~~21922% 0.00000000 0.00000000 0.00000000 0.00000000 A-LR 50.00 6.~~21880~~21922% 0.00000000 0.00000000 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 43.~~21460966~~88886657 0.00000000 ~~837~~784.~~59184560~~26929391 2-A-1 0.00000000 0.00000000 4.~~38992757~~21112108 0.00000000 ~~878~~837.~~84266089~~59116934 2-A-2 0.00000000 0.00000000 0.~~20802338~~19011469 0.00000000 ~~878~~837.~~84266089~~59116934 3-A-1 0.00000000 0.00000000 4.~~44258834~~08664847 0.00000000 ~~849~~814.~~08242669~~43712316 4-A-1 0.00000000 0.00000000 43.~~31624727~~94824663 0.00000000 ~~765~~701.~~77770135~~75642892 B-1 0.00000000 0.00000000 4.~~93704587~~92108084 0.00000000 ~~997~~996.~~22281562~~27356494 B-2 0.00000000 0.00000000 4.~~93704526~~92108029 0.00000000 ~~997~~996.~~22281460~~27356496 B-3 0.00000000 0.00000000 4.~~93704700~~92107970 0.00000000 ~~997~~996.~~22281676~~27356608 B-4 0.00000000 0.00000000 4.~~93704801~~92108274 0.00000000 ~~997~~996.~~22281920~~27356486 B-5 0.00000000 0.00000000 4.~~93704801~~92108274 0.00000000 ~~997~~996.~~22281920~~27356486 B-6 0.00000000 0.00000000 4.~~93703253~~92107478 0.00000000 ~~997~~996.~~22085094~~27160577 A-R 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 A-LR 0.00000000 0.00000000 0.00000000 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 3126,~~562~~876,~~794~~012.0906 Liquidations, Insurance Proceeds, Reserve Funds 0.00 Proceeds from Repurchased Loans 0.00 Other Amounts (Servicer Advances) 1824,~~795~~909.1737 Realized Losses 0.00 Prepayment Penalties 0.00 Total Deposits 3126,~~581~~900,~~589~~921.2643 Withdrawals Reimbursement for Servicer Advances 0.00 Payment of Service Fee ~~119~~111,~~988~~521.1756 Payment of Interest and Principal 3126,~~461~~789,~~601~~399.0987 Total Withdrawals (Pool Distribution Amount) 3126,~~581~~900,~~589~~921.2643 Ending Balance 0.00

SERVICING FEES Gross Servicing Fee ~~119~~111,~~988~~521.1756 Supported Prepayment/Curtailment Interest Shortfall 0.00 Net Servicing Fee ~~119~~111,~~988~~521.1756

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 23,~~196~~671,~~541~~002.9454 0.00 0.00 0.00 23,~~196~~671,~~541~~002.9454 60 Days 20 0 0 0 20 ~~1,143,764~~0.7000 0.00 0.00 0.00 ~~1,143,764~~0.7000 90 Days 01 0 0 0 01 0683,632.0073 0.00 0.00 0.00 0683,632.0073 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 710 0 0 0 710 34,~~340~~354,~~306~~635.6427 0.00 0.00 0.00 34,~~340~~354,~~306~~635.6427 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 01.~~551876~~052632% 0.000000% 0.000000% 0.000000% 01.~~551876~~052632% 0.~~541995~~964864% 0.000000% 0.000000% 0.000000% 0.~~541995~~964864% 60 Days 0.~~220751~~000000% 0.000000% 0.000000% 0.000000% 0.~~220751~~000000% 0.~~282223~~000000% 0.000000% 0.000000% 0.000000% 0.~~282223~~000000% 90 Days 0.~~000000~~116959% 0.000000% 0.000000% 0.000000% 0.~~000000~~116959% 0.~~000000~~179682% 0.000000% 0.000000% 0.000000% 0.~~000000~~179682% 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 01.~~772627~~169591% 0.000000% 0.000000% 0.000000% 01.~~772627~~169591% 01.~~824217~~144546% 0.000000% 0.000000% 0.000000% 01.~~824217~~144546%

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 26 0 0 0 26 ~~883~~2,~~470~~490,723.1407 0.00 0.00 0.00 ~~883~~2,~~470~~490,723.1407 60 Days 10 0 0 0 10 ~~683,632~~0.7300 0.00 0.00 0.00 ~~683,632~~0.7300 90 Days 01 0 0 0 01 0683,632.0073 0.00 0.00 0.00 0683,632.0073 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 37 0 0 0 37 13,~~567~~174,~~102~~355.8780 0.00 0.00 0.00 13,~~567~~174,~~102~~355.8780 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 02.~~784314~~500000% 0.000000% 0.000000% 0.000000% 02.~~784314~~500000% 02.~~729210~~188956% 0.000000% 0.000000% 0.000000% 02.~~729210~~188956% 60 Days 0.~~392157~~000000% 0.000000% 0.000000% 0.000000% 0.~~392157~~000000% 0.~~564266~~000000% 0.000000% 0.000000% 0.000000% 0.~~564266~~000000% 90 Days 0.~~000000~~416667% 0.000000% 0.000000% 0.000000% 0.~~000000~~416667% 0.~~000000~~600806% 0.000000% 0.000000% 0.000000% 0.~~000000~~600806% 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 12.~~176471~~916667% 0.000000% 0.000000% 0.000000% 12.~~176471~~916667% 12.~~293475~~789762% 0.000000% 0.000000% 0.000000% 12.~~293475~~789762% 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 13 0 0 0 13 ~~346~~1,~~136~~180,279.4547 0.00 0.00 0.00 ~~346~~1,~~136~~180,279.4547 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 13 0 0 0 13 ~~346~~1,~~136~~180,279.4547 0.00 0.00 0.00 ~~346~~1,~~136~~180,279.4547 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 01.~~454545~~421801% 0.000000% 0.000000% 0.000000% 01.~~454545~~421801% 01.~~364462~~301259% 0.000000% 0.000000% 0.000000% 01.~~364462~~301259% 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 01.~~454545~~421801% 0.000000% 0.000000% 0.000000% 01.~~454545~~421801% 01.~~364462~~301259% 0.000000% 0.000000% 0.000000% 01.~~364462~~301259% 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 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 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 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 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% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 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 20 0 0 0 20 ~~966,935~~0.3500 0.00 0.00 0.00 ~~966,935~~0.3500 60 Days 10 0 0 0 10 ~~460,131~~0.9700 0.00 0.00 0.00 ~~460,131~~0.9700 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 30 0 0 0 30 ~~1,427,067~~0.3200 0.00 0.00 0.00 ~~1,427,067~~0.3200 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 0.~~647249~~000000% 0.000000% 0.000000% 0.000000% 0.~~647249~~000000% 0.~~678939~~000000% 0.000000% 0.000000% 0.000000% 0.~~678939~~000000% 60 Days 0.~~323625~~000000% 0.000000% 0.000000% 0.000000% 0.~~323625~~000000% 0.~~323084~~000000% 0.000000% 0.000000% 0.000000% 0.~~323084~~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.~~970874~~000000% 0.000000% 0.000000% 0.000000% 0.~~970874~~000000% 10.~~002023~~000000% 0.000000% 0.000000% 0.000000% 10.~~002023~~000000%

OTHER INFORMATION Current Period Class A Insufficient Funds 0.00 Principal Balance of Contaminated Properties 0.00 Periodic Advance 1824,~~795~~909.1737

CREDIT ENHANCEMENT Original $ Original % Current $ Current % Bankruptcy 141,209.00 0.02885727% 141,209.00 0.~~03486983~~03714396% Fraud 9,786,719.00 1.99999998% 9,786,719.00 2.~~41671037~~57432271% Special Hazard 6,120,000.00 1.25067450% 6,120,000.00 1.~~51125903~~60981990% Limit of Subordinate's Exposure to Certain Types of Losses

COLLATERAL STATEMENT Collateral Description Fixed & Mixed ARM Weighted Average Gross Coupon 6.~~258908~~244499% Weighted Average Net Coupon 5.~~927355~~914032% Weighted Average Pass-Through Rate 5.~~927355~~914032% Weighted Average Maturity(Stepdown Calculation ) ~~354~~353 Beginning Scheduled Collateral Loan Count ~~965~~906 Number Of Loans Paid In Full 5951 Ending Scheduled Collateral Loan Count ~~906~~855 Beginning Scheduled Collateral Balance ~~434~~404,~~276~~960,~~737~~359.5175 Ending Scheduled Collateral Balance ~~404~~380,~~960~~166,~~359~~750.7537 Ending Actual Collateral Balance at 3130-~~Oct~~Nov-2002 ~~405~~380,~~270~~468,~~101~~442.6904 Monthly P &I Constant 2,~~673~~495,~~485~~078.9578 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 ~~404~~380,~~960~~166,~~359~~750.7537 Scheduled Principal ~~408~~387,~~274~~766.5675 Unscheduled Principal 2824,~~908~~405,~~103~~842.2063

Miscellaneous Reporting Group 1 Senior % 95.~~890442~~568864% Group 1 Junior % 4.~~109558~~431136% Group 1 Senior Prepayment % 100.000000% Group 2 Senior % 95.~~928442~~766799% Group 2 Junior % 4.~~071558~~233201% Group 2 Senior Prepayment % 100.000000% Group 3 Senior % 95.~~925237~~624584% Group 3 Junior % 4.~~074763~~375416% Group 3 Senior Prepayment % 100.000000% Group 4 Senior % 95.~~550912~~168805% Group 4 Junior % 4.~~449088~~831195% 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.~~919031~~912715 6.~~309707~~297698 6.~~075695~~028548 Weighted Average Net Rate 5.~~575135~~571496 6.~~022472~~009589 5.~~822966~~775621 Weighted Average Maturity 353 354 ~~355~~354 ~~355~~ Beginning Loan Count ~~271~~255 ~~229~~220 ~~130~~122 Loans Paid In Full 1615 9 84 Ending Loan Count ~~255~~240 ~~220~~211 ~~122~~118 Beginning Scheduled Balance ~~130~~121,~~658~~045,~~985~~160.4330 9894,~~760~~897,~~140~~439.7194 5046,~~185~~689,~~383~~303.3643 Ending scheduled Balance ~~121~~113,~~045~~674,~~160~~659.3036 9490,~~897~~627,~~439~~755.9496 4644,~~689~~865,~~303~~483.4307 Record Date 1011/3130/2002 1011/3130/2002 1011/3130/2002 Principal And Interest Constant ~~786~~732,~~368~~203.6614 ~~614~~590,~~520~~358.8992 ~~305~~282,~~241~~575.5784 Scheduled Principal ~~141~~135,~~889~~781.8487 9592,~~231~~329.2940 5148,~~149~~018.0258 Unscheduled Principal 97,~~471~~234,~~935~~719.2907 34,~~767~~177,~~469~~354.4858 31,~~444~~775,~~930~~801.9178 Scheduled Interest ~~644~~596,~~478~~421.8227 ~~519~~498,~~289~~029.6052 ~~254~~234,~~092~~557.5526 Servicing Fees 3734,~~444~~419.2205 2322,~~639~~784.4105 109,~~569~~840.3983 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 ~~607~~562,~~034~~002.6022 ~~495~~475,~~650~~245.1947 ~~243~~224,~~523~~716.1643 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.~~575135~~571496 6.~~022473~~009589 5.~~822967~~775621

Group Level Collateral Statement Group Group 4 Total Collateral Description 7/1 CMT ARM Fixed & Mixed ARM Weighted Average Coupon Rate 6.~~574034~~562038 6.~~258908~~244499 Weighted Average Net Rate 6.~~199034~~187038 5.~~927355~~914032 Weighted Average Maturity 352 353 ~~354~~ Beginning Loan Count ~~335~~309 ~~965~~906 Loans Paid In Full 2623 5951 Ending Loan Count ~~309~~286 ~~906~~855 Beginning Scheduled Balance ~~154~~142,~~672~~328,~~228~~456.0108 ~~434~~404,~~276~~960,~~737~~359.5175 Ending scheduled Balance ~~142~~130,~~328~~998,~~456~~851.0898 ~~404~~380,~~960~~166,~~359~~750.7537 Record Date 1011/3130/2002 1011/3130/2002 Principal And Interest Constant ~~967~~889,~~354~~940.8388 2,~~673~~495,~~485~~078.9578 Scheduled Principal ~~120~~111,~~004~~636.4190 ~~408~~387,~~274~~766.5675 Unscheduled Principal 1211,~~223~~217,~~767~~967.5220 2824,~~908~~405,~~103~~842.2063 Scheduled Interest ~~847~~778,~~350~~303.4298 2,~~265~~107,~~211~~312.3903 Servicing Fees 4844,~~335~~477.0765 ~~119~~111,~~988~~521.0958 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 ~~799~~733,~~015~~826.3533 21,~~145~~995,~~223~~790.3045 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.~~199034~~187038 5.~~927355~~914032

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