8-K 1 mst02001.txt AUGUST 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): August 26, 2002 MASTR ASSET SECURITIZATION TRUST Mortgage Pass-Through Certificates, Series 2002-1 Trust (Exact name of registrant as specified in its charter) New York (governing law of 333-60030-01 Pooling and Servicing Agreement) (Commission 74-3040745 (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 August 26, 2002 a distribution was made to holders of MASTR ASSET SECURITIZATION 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 August 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 ASSET SECURITIZATION 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: 8/26/02 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 August 26, 2002 distribution. EX-99.1

Mortgage Asset Securitization Transactions, Inc Mortgage Pass-Through Certificates Record Date: 67/3031/02 Distribution Date: 78/2526/02 MASTR Series: 2002-1 Contact: Customer Service - SecuritiesLink Wells Fargo Bank Minnesota, N.A. Securities Administration Services 7485 New Horizon Way Frederick, MD 21703 Telephone: (301) 846-8130 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 55265KCN7 SEN 6.00000% ~~291~~288,~~341~~267,~~068~~256.9223 1,~~456~~441,~~705~~336.3428 37,~~073~~480,~~812~~141.6985 A-X 55265KCR8 SEN 0.~~19887~~19718% 0.00 4342,~~480~~668.1059 0.00 PO 55265KCP2 PO 0.00000% 1,~~067~~057,~~662~~861.5827 0.00 95,~~801~~438.3135 A-R 55265KCQ0 SEN 6.00000% 0.00 0.00 0.00 B-1 55265KCS6 SUB 6.00000% 2,~~270~~261,~~087~~978.2811 11,~~350~~309.4489 8,~~109~~174.1724 B-2 55265KCT4 SUB 6.00000% ~~756~~753,~~367~~665.0517 3,~~781~~768.8433 2,~~701~~723.8856 B-3 55265KCU1 SUB 6.00000% ~~453~~452,~~623~~002.0058 2,~~268~~260.1201 1,~~620~~633.4243 B-4 55265KCV9 SUB 6.00000% ~~301~~300,~~757~~679.9198 1,~~508~~503.7940 1,~~077~~086.9359 B-5 55265KCW7 SUB 6.00000% ~~302~~301,~~744~~662.0559 1,~~513~~508.7231 1,~~081~~090.4614 B-6 55265KCX5 SUB 6.00000% ~~304~~303,~~184~~098.7111 1,~~520~~515.9249 1,~~086~~095.6032 Totals ~~296~~293,~~797~~698,~~495~~204.5004 1,~~522~~505,~~129~~870.2730 37,~~099~~501,~~291~~383.4648

Certificateholder Distribution Summary (continued) Current Ending Cumulative Realized Certificate Total Realized Class Loss Balance Distribution Losses A-1 0.00 ~~288~~280,~~267~~787,~~256~~114.2338 48,~~530~~921,~~518~~478.0313 0.00 A-X 0.00 0.00 4342,~~480~~668.1059 0.00 PO 0.00 1,~~057~~052,~~861~~422.2792 95,~~801~~438.3135 0.00 A-R 0.00 0.00 0.00 0.00 B-1 0.00 2,~~261~~253,~~978~~803.1187 19,~~459~~484.6113 0.00 B-2 0.00 ~~753~~750,~~665~~941.1760 6,~~483~~491.7289 0.00 B-3 0.00 ~~452~~450,~~002~~369.5815 3,~~888~~893.5444 0.00 B-4 0.00 ~~300~~299,~~679~~593.9839 2,~~586~~589.7299 0.00 B-5 0.00 ~~301~~300,~~662~~572.5945 2,~~595~~598.1845 0.00 B-6 0.00 ~~303~~302,~~098~~002.1179 2,~~607~~610.5281 0.00 Totals 0.00 ~~293~~286,~~698~~196,~~204~~820.0455 49,~~621~~007,~~420~~253.7378 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-1 301,313,000.00 ~~291~~288,~~341~~267,~~068~~256.9223 1,~~040~~041,~~723~~728.6249 26,~~033~~438,~~089~~413.0736 0.00 0.00 A-X 0.00 0.00 0.00 0.00 0.00 0.00 PO 1,096,260.57 1,~~067~~057,~~662~~861.5827 3,~~896~~915.2164 51,~~905~~522.1071 0.00 0.00 A-R 100.00 0.00 0.00 0.00 0.00 0.00 B-1 2,302,000.00 2,~~270~~261,~~087~~978.2811 8,~~109~~174.1724 0.00 0.00 0.00 B-2 767,000.00 ~~756~~753,~~367~~665.0517 2,~~701~~723.8856 0.00 0.00 0.00 B-3 460,000.00 ~~453~~452,~~623~~002.0058 1,~~620~~633.4243 0.00 0.00 0.00 B-4 306,000.00 ~~301~~300,~~757~~679.9198 1,~~077~~086.9359 0.00 0.00 0.00 B-5 307,000.00 ~~302~~301,~~744~~662.0559 1,~~081~~090.4614 0.00 0.00 0.00 B-6 308,460.92 ~~304~~303,~~184~~098.7111 1,~~086~~095.6032 0.00 0.00 0.00 Totals 306,859,821.49 ~~296~~293,~~797~~698,~~495~~204.5004 1,~~060~~061,~~297~~447.2941 26,~~038~~439,~~994~~936.1707 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 37,~~073~~480,~~812~~141.6985 ~~288~~280,~~267~~787,~~256~~114.2338 0.~~95670368~~93187853 37,~~073~~480,~~812~~141.6985 A-X 0.00 0.00 0.00000000 0.00 PO 95,~~801~~438.3135 1,~~057~~052,~~861~~422.2792 0.~~96497247~~96001165 95,~~801~~438.3135 A-R 0.00 0.00 0.00000000 0.00 B-1 8,~~109~~174.1724 2,~~261~~253,~~978~~803.1187 0.~~98261430~~97906337 8,~~109~~174.1724 B-2 2,~~701~~723.8856 ~~753~~750,~~665~~941.1760 0.~~98261430~~97906336 2,~~701~~723.8856 B-3 1,~~620~~633.4243 ~~452~~450,~~002~~369.5815 0.~~98261430~~97906337 1,~~620~~633.4243 B-4 1,~~077~~086.9359 ~~300~~299,~~679~~593.9839 0.~~98261431~~97906337 1,~~077~~086.9359 B-5 1,~~081~~090.4614 ~~301~~300,~~662~~572.5945 0.~~98261430~~97906336 1,~~081~~090.4614 B-6 1,~~086~~095.6032 ~~303~~302,~~098~~002.1179 0.~~98261430~~97906338 1,~~086~~095.6032 Totals 37,~~099~~501,~~291~~383.4648 ~~293~~286,~~698~~196,~~204~~820.0455 0.~~95710870~~93266306 37,~~099~~501,~~291~~383.4648

Principal Distribution Factors Statement Original Beginning Scheduled Unscheduled Face Certificate Principal Principal Class (2) Amount Balance Distribution Distribution Accretion A-1 301,313,000.00 ~~966~~956.~~90507519~~70368099 3.~~45396189~~45729686 621.~~74743230~~36785788 0.00000000 A-X 0.00 0.00000000 0.00000000 0.00000000 0.00000000 PO 1,096,260.57 ~~973~~964.~~91314549~~97247000 3.~~55409116~~57181505 51.~~38658432~~38900371 0.00000000 A-R 100.00 0.00000000 0.00000000 0.00000000 0.00000000 B-1 2,302,000.00 ~~986~~982.~~13695917~~61429626 3.~~52266290~~55092963 0.00000000 0.00000000 B-2 767,000.00 ~~986~~982.~~13696219~~61430248 3.~~52265971~~55092568 0.00000000 0.00000000 B-3 460,000.00 ~~986~~982.~~13695652~~61430435 3.~~52265217~~55093478 0.00000000 0.00000000 B-4 306,000.00 ~~986~~982.~~13696078~~61431373 3.~~52264706~~55094771 0.00000000 0.00000000 B-5 307,000.00 ~~986~~982.~~13697068~~61429967 3.~~52267101~~55094463 0.00000000 0.00000000 B-6 308,460.92 ~~986~~982.~~13694727~~61429681 3.~~52265045~~55091984 0.00000000 0.00000000

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 1024.~~20139420~~82515474 ~~956~~931.~~70368099~~87852625 0.~~95670368~~93187853 1024.~~20139420~~82515474 A-X 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 PO 0.00000000 84.~~94067548~~96081876 ~~964~~960.~~97247000~~01165124 0.~~96497247~~96001165 84.~~94067548~~96081876 A-R 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 B-1 0.00000000 3.~~52266290~~55092963 ~~982~~979.~~61429626~~06336664 0.~~98261430~~97906337 3.~~52266290~~55092963 B-2 0.00000000 3.~~52265971~~55092568 ~~982~~979.~~61430248~~06336375 0.~~98261430~~97906336 3.~~52265971~~55092568 B-3 0.00000000 3.~~52265217~~55093478 ~~982~~979.~~61430435~~06336957 0.~~98261430~~97906337 3.~~52265217~~55093478 B-4 0.00000000 3.~~52264706~~55094771 ~~982~~979.~~61431373~~06336601 0.~~98261431~~97906337 3.~~52264706~~55094771 B-5 0.00000000 3.~~52267101~~55094463 ~~982~~979.~~61429967~~06335505 0.~~98261430~~97906336 3.~~52267101~~55094463 B-6 0.00000000 3.~~52265045~~55091984 ~~982~~979.~~61429681~~06337697 0.~~98261430~~97906338 3.~~52265045~~55091984 (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-1 301,313,000.00 6.00000% ~~291~~288,~~341~~267,~~068~~256.9223 1,~~456~~441,~~705~~336.3428 0.00 0.00 A-X 0.00 0.~~19887~~19718% ~~262~~259,~~369~~675,~~554~~006.0207 4342,~~480~~668.1059 0.00 0.00 PO 1,096,260.57 0.00000% 1,~~067~~057,~~662~~861.5827 0.00 0.00 0.00 A-R 100.00 6.00000% 0.00 0.00 0.00 0.00 B-1 2,302,000.00 6.00000% 2,~~270~~261,~~087~~978.2811 11,~~350~~309.4489 0.00 0.00 B-2 767,000.00 6.00000% ~~756~~753,~~367~~665.0517 3,~~781~~768.8433 0.00 0.00 B-3 460,000.00 6.00000% ~~453~~452,~~623~~002.0058 2,~~268~~260.1201 0.00 0.00 B-4 306,000.00 6.00000% ~~301~~300,~~757~~679.9198 1,~~508~~503.7940 0.00 0.00 B-5 307,000.00 6.00000% ~~302~~301,~~744~~662.0559 1,~~513~~508.7231 0.00 0.00 B-6 308,460.92 6.00000% ~~304~~303,~~184~~098.7111 1,~~520~~515.9249 0.00 0.00 Totals 306,859,821.49 1,~~522~~505,~~129~~870.2730 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 0.00 0.00 1,~~456~~441,~~705~~336.3428 0.00 ~~288~~280,~~267~~787,~~256~~114.2338 A-X 0.00 0.00 4342,~~480~~668.1059 0.00 ~~259~~252,~~675~~363,~~006~~805.0728 PO 0.00 0.00 0.00 0.00 1,~~057~~052,~~861~~422.2792 A-R 0.00 0.00 0.00 0.00 0.00 B-1 0.00 0.00 11,~~350~~309.4489 0.00 2,~~261~~253,~~978~~803.1187 B-2 0.00 0.00 3,~~781~~768.8433 0.00 ~~753~~750,~~665~~941.1760 B-3 0.00 0.00 2,~~268~~260.1201 0.00 ~~452~~450,~~002~~369.5815 B-4 0.00 0.00 1,~~508~~503.7940 0.00 ~~300~~299,~~679~~593.9839 B-5 0.00 0.00 1,~~513~~508.7231 0.00 ~~301~~300,~~662~~572.5945 B-6 0.00 0.00 1,~~520~~515.9249 0.00 ~~303~~302,~~098~~002.1179 Totals 0.00 0.00 1,~~522~~505,~~129~~870.2730 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-1 301,313,000.00 6.00000% ~~966~~956.~~90507519~~70368099 4.~~83452536~~78351840 0.00000000 0.00000000 A-X 0.00 0.~~19887~~19718% ~~966~~957.~~99198392~~06092969 0.~~16025071~~15725980 0.00000000 0.00000000 PO 1,096,260.57 0.00000% ~~973~~964.~~91314549~~97247000 0.00000000 0.00000000 0.00000000 A-R 100.00 6.00000% 0.00000000 0.00000000 0.00000000 0.00000000 B-1 2,302,000.00 6.00000% ~~986~~982.~~13695917~~61429626 4.~~93068636~~91307124 0.00000000 0.00000000 B-2 767,000.00 6.00000% ~~986~~982.~~13696219~~61430248 4.~~93069100~~91307692 0.00000000 0.00000000 B-3 460,000.00 6.00000% ~~986~~982.~~13695652~~61430435 4.~~93069565~~91306522 0.00000000 0.00000000 B-4 306,000.00 6.00000% ~~986~~982.~~13696078~~61431373 4.~~93068627~~91307190 0.00000000 0.00000000 B-5 307,000.00 6.00000% ~~986~~982.~~13697068~~61429967 4.~~93068404~~91306189 0.00000000 0.00000000 B-6 308,460.92 6.00000% ~~986~~982.~~13694727~~61429681 4.~~93067323~~91306970 0.00000000 0.00000000 (5) Per $1 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 0.00000000 4.~~83452536~~78351840 0.00000000 ~~956~~931.~~70368099~~87852625 A-X 0.00000000 0.00000000 0.~~16025071~~15725980 0.00000000 ~~957~~930.~~06092969~~11469127 PO 0.00000000 0.00000000 0.00000000 0.00000000 ~~964~~960.~~97247000~~01165124 A-R 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 B-1 0.00000000 0.00000000 4.~~93068636~~91307124 0.00000000 ~~982~~979.~~61429626~~06336664 B-2 0.00000000 0.00000000 4.~~93069100~~91307692 0.00000000 ~~982~~979.~~61430248~~06336375 B-3 0.00000000 0.00000000 4.~~93069565~~91306522 0.00000000 ~~982~~979.~~61430435~~06336957 B-4 0.00000000 0.00000000 4.~~93068627~~91307190 0.00000000 ~~982~~979.~~61431373~~06336601 B-5 0.00000000 0.00000000 4.~~93068404~~91306189 0.00000000 ~~982~~979.~~61429967~~06335505 B-6 0.00000000 0.00000000 4.~~93067323~~91306970 0.00000000 ~~982~~979.~~61429681~~06337697 (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 49,~~680~~063,~~966~~133.2432 Liquidations, Insurance Proceeds, Reserve Funds 0.00 Proceeds from Repurchased Loans 0.00 Other Amounts (Servicer Advances) 36,~~466~~482.5955 Realized Losses 0.00 Prepayment Penalties 0.00 Total Deposits 49,~~684~~069,~~432~~615.8387 Withdrawals Reimbursement for Servicer Advances 0.00 Payment of Service Fee 6362,~~012~~362.1009 Payment of Interest and Principal 49,~~621~~007,~~420~~253.7378 Total Withdrawals (Pool Distribution Amount) 49,~~684~~069,~~432~~615.8387 Ending Balance 0.00

SERVICING FEES Gross Servicing Fee 6362,~~012~~362.1009 Supported Prepayment/Curtailment Interest Shortfall 0.00 Net Servicing Fee 6362,~~012~~362.1009

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 12 0 0 0 12 ~~394~~741,~~462~~303.5131 0.00 0.00 0.00 ~~394~~741,~~462~~303.5131 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 12 0 0 0 12 ~~394~~741,~~462~~303.5131 0.00 0.00 0.00 ~~394~~741,~~462~~303.5131 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.~~143266~~292826% 0.000000% 0.000000% 0.000000% 0.~~143266~~292826% 0.~~133928~~258302% 0.000000% 0.000000% 0.000000% 0.~~133928~~258302% 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.~~143266~~292826% 0.000000% 0.000000% 0.000000% 0.~~143266~~292826% 0.~~133928~~258302% 0.000000% 0.000000% 0.000000% 0.~~133928~~258302%

OTHER INFORMATION Current Period Class A Insufficient Funds 0.00 Principal Balance of Contaminated Properties 0.00 Periodic Advance 36,~~466~~482.5955

CREDIT ENHANCEMENT Original $ Original % Current $ Current % Bankruptcy 100,000.00 0.03258817% 100,000.00 0.~~03404856~~03494099% Fraud 3,068,280.00 0.99989630% 3,068,280.00 1.~~04470506~~07208738% Special Hazard 3,068,598.00 0.99999993% 3,068,598.00 1.~~04481333~~07219849% Limit of Subordinate's Exposure to Certain Types of Losses

COLLATERAL STATEMENT Collateral Description Fixed 15 Year Weighted Average Gross Coupon 6.~~408982~~407526% Weighted Average Pass-Through Rate 6.~~154214~~152726% Weighted Average Maturity(Stepdown Calculation ) ~~172~~171 Beginning Scheduled Collateral Loan Count ~~702~~698 Number Of Loans Paid In Full 415 Ending Scheduled Collateral Loan Count ~~698~~683 Beginning Scheduled Collateral Balance ~~296~~293,~~797~~698,~~495~~204.5003 Ending Scheduled Collateral Balance ~~293~~286,~~698~~196,~~204~~820.0355 Ending Actual Collateral Balance at 3031-~~Jun~~Jul-2002 ~~294~~286,~~534~~991,~~078~~462.9038 Monthly P &I Constant 2,~~645~~629,~~438~~679.7689 Special Servicing Fee 0.00 Prepayment Penalties 0.00 Realized Loss Amount 0.00 Cumulative Realized Loss 0.00 Class A Optimal Amount 48,~~530~~921,~~518~~478.0313 Class AP Deferred Amount 0.00 Ending Scheduled Balance for Premium Loans ~~259~~252,~~675~~363,~~006~~805.0728 Ending scheduled Balance For discounted Loans 3433,~~023~~833,~~197~~015.9627 Scheduled Principal 1,~~060~~061,~~297~~447.3041 Unscheduled Principal 26,~~038~~439,~~994~~936.1707

Miscellaneous Reporting Senior Percentage 98.5251 Senior Prepayment Percentage 100.00 Junior Percentage 1.4849 Junior Prepayment Percentage 0.00 Remaining Class Unpaid Interest Shortfall 0.00

Filing Compare · MASTR ASSET SECURITIZATION TRUST 2002-1