8-K 1 mam02001.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 2002-1 Trust (Exact name of registrant as specified in its charter) New York (governing law of 333-75724-03 Pooling and Servicing Agreement) (Commission 74-3040739 (State or other File Number) 74-3040744 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 2002-1 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 ADJUSTABLE RATE MORTGAGES TRUST Mortgage Pass-Through Certificates, Series 2002-1 Trust By: Wells Fargo Bank Minnesota, NA, as Master Servicer By: /s/ Beth Belfield, Assistant Vice President By: Beth Belfield, Assistant Vice President Date: 1/9/03 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

Mortgage Asset Securitization Transactions, Inc Mortgage Pass-Through Certificates Record Date: ~~10/31/02~~ 11/2530/02 Distribution Date: 12/26/02 MARM Series: 2002-1 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 576433AJ5 SEN 5.~~86713~~86720% 6657,~~565~~135,~~745~~043.8666 ~~325~~276,~~457~~807.9932 97,~~430~~603,~~702~~626.2085 A-2 576433AK2 SEN 5.30000% 3228,~~713~~078,~~333~~672.7915 ~~144~~122,~~483~~884.8928 43,~~634~~736,~~661~~756.6449 A-3 576433AL0 SEN 0.~~56713~~56720% 0.00 1513,~~460~~151.4700 0.00 A-R 576433AM8 RES 5.~~89855~~90106% 0.00 0.00 0.00 A-LR 576433AN6 RES 5.~~89855~~90106% 0.00 0.00 0.00 B-1 576433AP1 SUB 5.~~86713~~86720% 1,~~551~~549,~~396~~763.4837 7,~~585~~508.2028 1,~~633~~622.1184 B-2 576433AQ9 SUB 5.~~86713~~86720% 1,~~163~~162,~~547~~322.3653 5,~~688~~631.9021 1,~~224~~217.8313 B-3 576433AR7 SUB 5.~~86713~~86720% 1,~~008~~007,~~804~~742.4955 4,~~932~~882.3230 1,~~061~~055.9426 B-4 576433AS5 SUB 5.~~86713~~86720% 310,~~477~~150.6885 1,~~518~~502.0162 ~~326~~324.8378 B-5 576433AT3 SUB 5.~~86713~~86720% 154,~~742~~579.8798 ~~756~~748.5891 ~~162~~161.8987 B-6 576433AU0 SUB 5.~~86713~~86720% 466,~~635~~144.7453 2,~~281~~258.5137 ~~491~~488.2112 Totals ~~103~~89,~~934~~864,~~684~~419.2762 ~~508~~435,~~164~~374.8729 1411,~~070~~345,~~264~~253.6534

Certificateholder Distribution Summary (continued) Current Ending Cumulative Realized Certificate Total Realized Class Loss Balance Distribution Losses A-1 0.00 5749,~~135~~531,~~043~~416.6681 97,~~756~~880,~~160~~434.1917 0.00 A-2 0.00 2824,~~078~~341,~~672~~915.1565 43,~~779~~859,~~145~~640.5377 0.00 A-3 0.00 0.00 1513,~~460~~151.4700 0.00 A-R 0.00 0.00 0.00 0.00 A-LR 0.00 0.00 0.00 0.00 B-1 0.00 1,~~549~~548,~~763~~140.3753 9,~~218~~131.3112 0.00 B-2 0.00 1,~~162~~161,~~322~~105.5340 6,~~913~~848.7334 0.00 B-3 0.00 1,~~007~~006,~~742~~687.5529 5,~~994~~937.2656 0.00 B-4 0.00 ~~310~~309,~~150~~826.8508 1,~~844~~827.8440 0.00 B-5 0.00 154,~~579~~418.9811 ~~919~~910.4778 0.00 B-6 0.00 ~~466~~465,~~144~~656.5340 2,~~772~~746.7249 0.00 Totals 0.00 8978,~~864~~519,~~419~~166.6227 1411,~~578~~780,~~429~~627.5263 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-1 101,741,000.00 6657,~~565~~135,~~745~~043.8666 7059,~~071~~829.8511 97,~~360~~543,~~630~~797.3574 0.00 0.00 A-2 50,000,000.00 3228,~~713~~078,~~333~~672.7915 3429,~~436~~402.3965 43,~~600~~707,~~225~~353.2584 0.00 0.00 A-3 0.00 0.00 0.00 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 B-1 1,564,000.00 1,~~551~~549,~~396~~763.4837 1,~~633~~622.1184 0.00 0.00 0.00 B-2 1,173,000.00 1,~~163~~162,~~547~~322.3653 1,~~224~~217.8313 0.00 0.00 0.00 B-3 1,017,000.00 1,~~008~~007,~~804~~742.4955 1,~~061~~055.9426 0.00 0.00 0.00 B-4 313,000.00 310,~~477~~150.6885 ~~326~~324.8378 0.00 0.00 0.00 B-5 156,000.00 154,~~742~~579.8798 ~~162~~161.8987 0.00 0.00 0.00 B-6 470,426.68 466,~~635~~144.7453 ~~491~~488.2112 0.00 0.00 0.00 Totals 156,434,526.68 ~~103~~89,~~934~~864,~~684~~419.2762 ~~109~~94,~~409~~101.0576 1311,~~960~~251,~~855~~151.6058 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 97,~~430~~603,~~702~~626.2085 5749,~~135~~531,~~043~~416.6681 0.~~56157344~~48683831 97,~~430~~603,~~702~~626.2085 A-2 43,~~634~~736,~~661~~756.6449 2824,~~078~~341,~~672~~915.1565 0.~~56157344~~48683831 43,~~634~~736,~~661~~756.6449 A-3 0.00 0.00 0.00000000 0.00 A-R 0.00 0.00 0.00000000 0.00 A-LR 0.00 0.00 0.00000000 0.00 B-1 1,~~633~~622.1184 1,~~549~~548,~~763~~140.3753 0.~~99089730~~98985967 1,~~633~~622.1184 B-2 1,~~224~~217.8313 1,~~162~~161,~~322~~105.5340 0.~~99089730~~98985968 1,~~224~~217.8313 B-3 1,~~061~~055.9426 1,~~007~~006,~~742~~687.5529 0.~~99089730~~98985968 1,~~061~~055.9426 B-4 ~~326~~324.8378 ~~310~~309,~~150~~826.8508 0.~~99089728~~98985968 ~~326~~324.8378 B-5 ~~162~~161.8987 154,~~579~~418.9811 0.~~99089731~~98985968 ~~162~~161.8987 B-6 ~~491~~488.2112 ~~466~~465,~~144~~656.5340 0.~~99089731~~98985967 ~~491~~488.2112 Totals 1411,~~070~~345,~~264~~253.6534 8978,~~864~~519,~~419~~166.6227 0.~~57445387~~50192990 1411,~~070~~345,~~264~~253.6534

Principal Distribution Factors Statement Original Beginning Scheduled Unscheduled Face Certificate Principal Principal Class (2) Amount Balance Distribution Distribution Accretion A-1 101,741,000.00 ~~654~~561.~~26667577~~57344296 0.~~68872775~~58805310 9274.~~00450507~~14707679 0.00000000 A-2 50,000,000.00 ~~654~~561.~~26667580~~57344300 0.~~68872780~~58805300 9274.~~00450500~~14707680 0.00000000 A-3 0.00 0.00000000 0.00000000 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 B-1 1,564,000.00 ~~991~~990.~~94148338~~89729540 1.~~04418798~~03762148 0.00000000 0.00000000 B-2 1,173,000.00 ~~991~~990.~~94148338~~89729753 1.~~04418585~~03762148 0.00000000 0.00000000 B-3 1,017,000.00 ~~991~~990.~~94148476~~89729597 1.~~04418879~~03762045 0.00000000 0.00000000 B-4 313,000.00 ~~991~~990.~~94146965~~89728435 1.~~04418530~~03763578 0.00000000 0.00000000 B-5 156,000.00 ~~991~~990.~~94147436~~89730769 1.~~04416667~~03762821 0.00000000 0.00000000 B-6 470,426.68 ~~991~~990.~~94148597~~89730625 1.~~04417972~~03761122 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 9274.~~69323282~~73512989 ~~561~~486.~~57344296~~83831307 0.~~56157344~~48683831 9274.~~69323282~~73512989 A-2 0.00000000 9274.~~69323280~~73512980 ~~561~~486.~~57344300~~83831300 0.~~56157344~~48683831 9274.~~69323280~~73512980 A-3 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 A-R 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 A-LR 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 B-1 0.00000000 1.~~04418798~~03762148 ~~990~~989.~~89729540~~85967391 0.~~99089730~~98985967 1.~~04418798~~03762148 B-2 0.00000000 1.~~04418585~~03762148 ~~990~~989.~~89729753~~85967604 0.~~99089730~~98985968 1.~~04418585~~03762148 B-3 0.00000000 1.~~04418879~~03762045 ~~990~~989.~~89729597~~85967552 0.~~99089730~~98985968 1.~~04418879~~03762045 B-4 0.00000000 1.~~04418530~~03763578 ~~990~~989.~~89728435~~85968051 0.~~99089728~~98985968 1.~~04418530~~03763578 B-5 0.00000000 1.~~04416667~~03762821 ~~990~~989.~~89730769~~85967949 0.~~99089731~~98985968 1.~~04416667~~03762821 B-6 0.00000000 1.~~04417972~~03761122 ~~990~~989.~~89730625~~85967378 0.~~99089731~~98985967 1.~~04417972~~03761122 (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-1 101,741,000.00 5.~~86713~~86720% 6657,~~565~~135,~~745~~043.8666 ~~325~~279,~~457~~352.9940 0.00 0.00 A-2 50,000,000.00 5.30000% 3228,~~713~~078,~~333~~672.7915 ~~144~~124,~~483~~014.8914 0.00 0.00 A-3 0.00 0.~~56713~~56720% 3228,~~713~~078,~~333~~672.79 15 13,~~460~~271.4792 0.00 0.00 A-R 50.00 5.~~89855~~90106% 0.00 0.00 0.00 0.00 A-LR 50.00 5.~~89855~~90106% 0.00 0.00 0.00 0.00 B-1 1,564,000.00 5.~~86713~~86720% 1,~~551~~549,~~396~~763.4837 7,~~585~~577.2031 0.00 0.00 B-2 1,173,000.00 5.~~86713~~86720% 1,~~163~~162,~~547~~322.3653 5,~~688~~682.9098 0.00 0.00 B-3 1,017,000.00 5.~~86713~~86720% 1,~~008~~007,~~804~~742.4955 4,~~932~~927.3219 0.00 0.00 B-4 313,000.00 5.~~86713~~86720% 310,~~477~~150.6885 1,~~518~~516.0143 0.00 0.00 B-5 156,000.00 5.~~86713~~86720% 154,~~742~~579.8798 ~~756~~755.5879 0.00 0.00 B-6 470,426.68 5.~~86713~~86720% 466,~~635~~144.7453 2,~~281~~279.5114 0.00 0.00 Totals 156,434,526.68 ~~508~~439,~~164~~377.8730 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 02,545.0009 0.00 ~~325~~276,~~457~~807.9932 0.00 5749,~~135~~531,~~043~~416.6681 A-2 01,129.0085 0.00 ~~144~~122,~~483~~884.8928 0.00 2824,~~078~~341,~~672~~915.1565 A-3 0120.0092 0.00 1513,~~460~~151.4700 0.00 2824,~~078~~341,~~672~~915.1565 A-R 0.00 0.00 0.00 0.00 0.00 A-LR 0.00 0.00 0.00 0.00 0.00 B-1 069.0003 0.00 7,~~585~~508.2028 0.00 1,~~549~~548,~~763~~140.3753 B-2 051.0078 0.00 5,~~688~~631.9021 0.00 1,~~162~~161,~~322~~105.5340 B-3 044.0089 0.00 4,~~932~~882.3230 0.00 1,~~007~~006,~~742~~687.5529 B-4 013.0082 0.00 1,~~518~~502.0162 0.00 ~~310~~309,~~150~~826.8508 B-5 06.0089 0.00 ~~756~~748.5891 0.00 154,~~579~~418.9811 B-6 020.0076 0.00 2,~~281~~258.5137 0.00 ~~466~~465,~~144~~656.5340 Totals 04,003.0003 0.00 ~~508~~435,~~164~~374.8729 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-1 101,741,000.00 5.~~86713~~86720% ~~654~~561.~~26667577~~57344296 32.~~19888727~~74572100 0.00000000 0.00000000 A-2 50,000,000.00 5.30000% ~~654~~561.~~26667580~~57344300 2.~~88967780~~48028280 0.00000000 0.00000000 A-3 0.00 0.~~56713~~56720% ~~654~~561.~~26667580~~57344300 0.~~30920940~~26543840 0.00000000 0.00000000 A-R 50.00 5.~~89855~~90106% 0.00000000 0.00000000 0.00000000 0.00000000 A-LR 50.00 5.~~89855~~90106% 0.00000000 0.00000000 0.00000000 0.00000000 B-1 1,564,000.00 5.~~86713~~86720% ~~991~~990.~~94148338~~89729540 4.~~84987212~~84482737 0.00000000 0.00000000 B-2 1,173,000.00 5.~~86713~~86720% ~~991~~990.~~94148338~~89729753 4.~~84987212~~84482523 0.00000000 0.00000000 B-3 1,017,000.00 5.~~86713~~86720% ~~991~~990.~~94148476~~89729597 4.~~84987217~~84482793 0.00000000 0.00000000 B-4 313,000.00 5.~~86713~~86720% ~~991~~990.~~94146965~~89728435 4.~~84987220~~84482428 0.00000000 0.00000000 B-5 156,000.00 5.~~86713~~86720% ~~991~~990.~~94147436~~89730769 4.~~84987179~~84480769 0.00000000 0.00000000 B-6 470,426.68 5.~~86713~~86720% ~~991~~990.~~94148597~~89730625 4.~~84987374~~84483576 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~~02501538 0.00000000 32.~~19888727~~72070571 0.00000000 ~~561~~486.~~57344296~~83831307 A-2 0.~~00000000~~02259700 0.00000000 2.~~88967780~~45768560 0.00000000 ~~561~~486.~~57344300~~83831300 A-3 0.~~00000000~~00241840 0.00000000 0.~~30920940~~26302000 0.00000000 ~~561~~486.~~57344300~~83831300 A-R 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 A-LR 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 B-1 0.~~00000000~~04413683 0.00000000 4.~~84987212~~80069054 0.00000000 ~~990~~989.~~89729540~~85967391 B-2 0.~~00000000~~04414322 0.00000000 4.~~84987212~~80069054 0.00000000 ~~990~~989.~~89729753~~85967604 B-3 0.~~00000000~~04413963 0.00000000 4.~~84987217~~80068830 0.00000000 ~~990~~989.~~89729597~~85967552 B-4 0.~~00000000~~04415335 0.00000000 4.~~84987220~~80070288 0.00000000 ~~990~~989.~~89728435~~85968051 B-5 0.~~00000000~~04416667 0.00000000 4.~~84987179~~80070513 0.00000000 ~~990~~989.~~89730769~~85967949 B-6 0.~~00000000~~04413015 0.00000000 4.~~84987374~~80068435 0.00000000 ~~990~~989.~~89730625~~85967378 (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 1411,~~598~~795,~~442~~944.5229 Liquidations, Insurance Proceeds, Reserve Funds 0.00 Proceeds from Repurchased Loans 0.00 Other Amounts (Servicer Advances) 46,~~783~~023.1719 Realized Losses 0.00 Prepayment Penalties 0.00 Total Deposits 1411,~~603~~801,~~225~~967.6948 Withdrawals Reimbursement for Servicer Advances 0.00 Payment of Service Fee 2421,~~796~~339.1785 Payment of Interest and Principal 1411,~~578~~780,~~429~~627.5263 Total Withdrawals (Pool Distribution Amount) 1411,~~603~~801,~~225~~967.6948 Ending Balance 0.00

PREPAYMENT/CURTAILMENT INTEREST SHORTFALL Total Prepayment/Curtailment Interest Shortfall 04,003.0003 Servicing Fee Support 0.00 Non-Supported Prepayment/Curtailment Interest Shortfall 04,003.0003

SERVICING FEES Gross Servicing Fee 2219,~~414~~280.3446 Master Servicing Fee 2,~~381~~059.8339 Supported Prepayment/Curtailment Interest Shortfall 0.00 Net Servicing Fee 2421,~~796~~339.1785

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 23 0 0 0 23 ~~810~~959,~~372~~385.5821 0.00 0.00 0.00 ~~810~~959,~~372~~385.5821 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 23 0 0 0 23 ~~810~~959,~~372~~385.5821 0.00 0.00 0.00 ~~810~~959,~~372~~385.5821 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.~~925926~~587302% 0.000000% 0.000000% 0.000000% 01.~~925926~~587302% 01.~~901024~~220829% 0.000000% 0.000000% 0.000000% 01.~~901024~~220829% 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.~~925926~~587302% 0.000000% 0.000000% 0.000000% 01.~~925926~~587302% 01.~~901024~~220829% 0.000000% 0.000000% 0.000000% 01.~~901024~~220829%

OTHER INFORMATION Current Period Class A Insufficient Funds 0.00 Principal Balance of Contaminated Properties 0.00 Periodic Advance 46,~~783~~023.1719

CREDIT ENHANCEMENT Original $ Original % Current $ Current % Bankruptcy 100,000.00 0.06392451% 100,000.00 0.~~11127875~~12735744% Fraud 3,135,218.64 2.00417306% 3,135,218.64 3.~~48883201~~99293420% Special Hazard 3,354,233.00 2.14417691% 3,354,233.00 34.~~73254845~~27186528% Limit of Subordinate's Exposure to Certain Types of Losses

COLLATERAL STATEMENT Collateral Description Mixed ARM Weighted Average Gross Coupon 6.~~153415~~152164% Weighted Average Net Coupon 5.~~894626~~894703% Weighted Average Pass-Through Rate 5.~~867126~~867203% Weighted Average Maturity(Stepdown Calculation ) ~~348~~347 Beginning Scheduled Collateral Loan Count ~~246~~216 Number Of Loans Paid In Full 3027 Ending Scheduled Collateral Loan Count ~~216~~189 Beginning Scheduled Collateral Balance ~~103~~89,~~934~~864,~~684~~419.2761 Ending Scheduled Collateral Balance 8978,~~864~~519,~~419~~166.6127 Ending Actual Collateral Balance at 3130-~~Oct~~Nov-2002 8978,~~939~~584,~~097~~733.9662 Monthly P &I Constant ~~642~~554,~~370~~818.1293 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 8978,~~864~~519,~~419~~166.6127 Scheduled Principal ~~109~~94,~~409~~101.0676 Unscheduled Principal 1311,~~960~~251,~~855~~151.6058

Miscellaneous Reporting Senior Percentage 9594.~~520644~~824755% Senior Prepayment Percentage 100.000000% Junior Percentage 45.~~479356~~175245%

Filing Compare · MASTR ADJUSTABLE RATE MORTGAGE TRUST 2002-1