8-K 1 mst02001.txt SEPTEMBER 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): September 25, 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 September 25, 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 September 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 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: 9/27/02 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 September 25, 2002 distribution. EX-99.1

Mortgage Asset Securitization Transactions, Inc Mortgage Pass-Through Certificates Record Date: 78/31/02 Distribution Date: 89/2625/02 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% ~~288~~280,~~267~~787,~~256~~114.2338 1,~~441~~403,~~336~~935.2857 715,~~480~~951,~~141~~083.8596 A-X 55265KCR8 SEN 0.~~19718~~19555% 0.00 4241,~~668~~125.5967 0.00 PO 55265KCP2 PO 0.00000% 1,~~057~~052,~~861~~422.2792 0.00 533,~~438~~482.3581 A-R 55265KCQ0 SEN 6.00000% 0.00 0.00 0.00 B-1 55265KCS6 SUB 6.00000% 2,~~261~~253,~~978~~803.1187 11,~~309~~269.8902 8,~~174~~262.2401 B-2 55265KCT4 SUB 6.00000% ~~753~~750,~~665~~941.1760 3,~~768~~754.3371 2,~~723~~752.5681 B-3 55265KCU1 SUB 6.00000% ~~452~~450,~~002~~369.5815 2,~~260~~251.0185 1,~~633~~650.4397 B-4 55265KCV9 SUB 6.00000% ~~300~~299,~~679~~593.9839 1,~~503~~497.4097 1,~~086~~098.5925 B-5 55265KCW7 SUB 6.00000% ~~301~~300,~~662~~572.5945 1,~~508~~502.3186 1,~~090~~101.1484 B-6 55265KCX5 SUB 6.00000% ~~303~~302,~~098~~002.1179 1,~~515~~510.4901 1,~~095~~107.3208 Totals ~~293~~286,~~698~~196,~~204~~820.0455 1,~~505~~466,~~870~~847.3066 716,~~501~~000,~~383~~539.4873

Certificateholder Distribution Summary (continued) Current Ending Cumulative Realized Certificate Total Realized Class Loss Balance Distribution Losses A-1 0.00 ~~280~~264,~~787~~836,~~114~~030.3842 817,~~921~~355,~~478~~019.1353 0.00 A-X 0.00 0.00 4241,~~668~~125.5967 0.00 PO 0.00 1,~~052~~018,~~422~~940.9211 533,~~438~~482.3581 0.00 A-R 0.00 0.00 0.00 0.00 B-1 0.00 2,~~253~~245,~~803~~541.8786 19,~~484~~531.1303 0.00 B-2 0.00 ~~750~~748,~~941~~188.6079 6,~~491~~507.8952 0.00 B-3 0.00 ~~450~~448,~~369~~718.1518 3,~~893~~902.4482 0.00 B-4 0.00 ~~299~~298,~~593~~495.3914 2,~~589~~596.9922 0.00 B-5 0.00 ~~300~~299,~~572~~470.4561 2,~~598~~604.4570 0.00 B-6 0.00 ~~302~~300,~~002~~895.7970 2,~~610~~617.8109 0.00 Totals 0.00 ~~286~~270,196,~~820~~280.5581 917,~~007~~467,~~253~~387.7839 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 ~~288~~280,~~267~~787,~~256~~114.2338 1,~~041~~029,~~728~~311.4951 614,~~438~~921,~~413~~772.3645 0.00 0.00 A-X 0.00 0.00 0.00 0.00 0.00 0.00 PO 1,096,260.57 1,~~057~~052,~~861~~422.2792 3,~~915~~943.6406 129,~~522~~539.7175 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,~~261~~253,~~978~~803.1187 8,~~174~~262.2401 0.00 0.00 0.00 B-2 767,000.00 ~~753~~750,~~665~~941.1760 2,~~723~~752.5681 0.00 0.00 0.00 B-3 460,000.00 ~~452~~450,~~002~~369.5815 1,~~633~~650.4397 0.00 0.00 0.00 B-4 306,000.00 ~~300~~299,~~679~~593.9839 1,~~086~~098.5925 0.00 0.00 0.00 B-5 307,000.00 ~~301~~300,~~662~~572.5945 1,~~090~~101.1484 0.00 0.00 0.00 B-6 308,460.92 ~~303~~302,~~098~~002.1179 1,~~095~~107.3208 0.00 0.00 0.00 Totals 306,859,821.49 ~~293~~286,~~698~~196,~~204~~820.0455 1,~~061~~049,~~447~~227.4153 614,~~439~~951,~~936~~312.0720 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-1 715,~~480~~951,~~141~~083.8596 ~~280~~264,~~787~~836,~~114~~030.3842 0.~~93187853~~87893994 715,~~480~~951,~~141~~083.8596 A-X 0.00 0.00 0.00000000 0.00 PO 533,~~438~~482.3581 1,~~052~~018,~~422~~940.9211 0.~~96001165~~92946890 533,~~438~~482.3581 A-R 0.00 0.00 0.00000000 0.00 B-1 8,~~174~~262.2401 2,~~253~~245,~~803~~541.8786 0.~~97906337~~97547431 8,~~174~~262.2401 B-2 2,~~723~~752.5681 ~~750~~748,~~941~~188.6079 0.~~97906336~~97547430 2,~~723~~752.5681 B-3 1,~~633~~650.4397 ~~450~~448,~~369~~718.1518 0.~~97906337~~97547430 1,~~633~~650.4397 B-4 1,~~086~~098.5925 ~~299~~298,~~593~~495.3914 0.~~97906337~~97547431 1,~~086~~098.5925 B-5 1,~~090~~101.1484 ~~300~~299,~~572~~470.4561 0.~~97906336~~97547430 1,~~090~~101.1484 B-6 1,~~095~~107.3208 ~~302~~300,~~002~~895.7970 0.~~97906338~~97547430 1,~~095~~107.3208 Totals 716,~~501~~000,~~383~~539.4873 ~~286~~270,196,~~820~~280.5581 0.~~93266306~~88052023 716,~~501~~000,~~383~~539.4873

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 ~~956~~931.~~70368099~~87852625 3.~~45729686~~41608729 2149.~~36785788~~52249803 0.00000000 A-X 0.00 0.00000000 0.00000000 0.00000000 0.00000000 PO 1,096,260.57 ~~964~~960.~~97247000~~01165124 3.~~57181505~~59682735 126.~~38900371~~94592035 0.00000000 A-R 100.00 0.00000000 0.00000000 0.00000000 0.00000000 B-1 2,302,000.00 ~~982~~979.~~61429626~~06336664 3.~~55092963~~58905734 0.00000000 0.00000000 B-2 767,000.00 ~~982~~979.~~61430248~~06336375 3.~~55092568~~58906128 0.00000000 0.00000000 B-3 460,000.00 ~~982~~979.~~61430435~~06336957 3.~~55093478~~58906522 0.00000000 0.00000000 B-4 306,000.00 ~~982~~979.~~61431373~~06336601 3.~~55094771~~58905229 0.00000000 0.00000000 B-5 307,000.00 ~~982~~979.~~61429967~~06335505 3.~~55094463~~58905537 0.00000000 0.00000000 B-6 308,460.92 ~~982~~979.~~61429681~~06337697 3.~~55091984~~58904460 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 2452.~~82515474~~93858532 ~~931~~878.~~87852625~~93994093 0.~~93187853~~87893994 2452.~~82515474~~93858532 A-X 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 PO 0.00000000 430.~~96081876~~54274770 ~~960~~929.~~01165124~~46890355 0.~~96001165~~92946890 430.~~96081876~~54274770 A-R 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 B-1 0.00000000 3.~~55092963~~58905734 ~~979~~975.~~06336664~~47430930 0.~~97906337~~97547431 3.~~55092963~~58905734 B-2 0.00000000 3.~~55092568~~58906128 ~~979~~975.~~06336375~~47430248 0.~~97906336~~97547430 3.~~55092568~~58906128 B-3 0.00000000 3.~~55093478~~58906522 ~~979~~975.~~06336957~~47430435 0.~~97906337~~97547430 3.~~55093478~~58906522 B-4 0.00000000 3.~~55094771~~58905229 ~~979~~975.~~06336601~~47431373 0.~~97906337~~97547431 3.~~55094771~~58905229 B-5 0.00000000 3.~~55094463~~58905537 ~~979~~975.~~06335505~~47429967 0.~~97906336~~97547430 3.~~55094463~~58905537 B-6 0.00000000 3.~~55091984~~58904460 ~~979~~975.~~06337697~~47429995 0.~~97906338~~97547430 3.~~55091984~~58904460 (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% ~~288~~280,~~267~~787,~~256~~114.2338 1,~~441~~403,~~336~~935.2857 0.00 0.00 A-X 0.00 0.~~19718~~19555% ~~259~~252,~~675~~363,~~006~~805.0728 4241,~~668~~125.5967 0.00 0.00 PO 1,096,260.57 0.00000% 1,~~057~~052,~~861~~422.2792 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,~~261~~253,~~978~~803.1187 11,~~309~~269.8902 0.00 0.00 B-2 767,000.00 6.00000% ~~753~~750,~~665~~941.1760 3,~~768~~754.3371 0.00 0.00 B-3 460,000.00 6.00000% ~~452~~450,~~002~~369.5815 2,~~260~~251.0185 0.00 0.00 B-4 306,000.00 6.00000% ~~300~~299,~~679~~593.9839 1,~~503~~497.4097 0.00 0.00 B-5 307,000.00 6.00000% ~~301~~300,~~662~~572.5945 1,~~508~~502.3186 0.00 0.00 B-6 308,460.92 6.00000% ~~303~~302,~~098~~002.1179 1,~~515~~510.4901 0.00 0.00 Totals 306,859,821.49 1,~~505~~466,~~870~~847.3066 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,~~441~~403,~~336~~935.2857 0.00 ~~280~~264,~~787~~836,~~114~~030.3842 A-X 0.00 0.00 4241,~~668~~125.5967 0.00 ~~252~~237,~~363~~903,~~805~~014.2829 PO 0.00 0.00 0.00 0.00 1,~~052~~018,~~422~~940.9211 A-R 0.00 0.00 0.00 0.00 0.00 B-1 0.00 0.00 11,~~309~~269.8902 0.00 2,~~253~~245,~~803~~541.8786 B-2 0.00 0.00 3,~~768~~754.3371 0.00 ~~750~~748,~~941~~188.6079 B-3 0.00 0.00 2,~~260~~251.0185 0.00 ~~450~~448,~~369~~718.1518 B-4 0.00 0.00 1,~~503~~497.4097 0.00 ~~299~~298,~~593~~495.3914 B-5 0.00 0.00 1,~~508~~502.3186 0.00 ~~300~~299,~~572~~470.4561 B-6 0.00 0.00 1,~~515~~510.4901 0.00 ~~302~~300,~~002~~895.7970 Totals 0.00 0.00 1,~~505~~466,~~870~~847.3066 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% ~~956~~931.~~70368099~~87852625 4.~~78351840~~65939262 0.00000000 0.00000000 A-X 0.00 0.~~19718~~19555% ~~957~~930.~~06092969~~11469127 0.~~15725980~~15157320 0.00000000 0.00000000 PO 1,096,260.57 0.00000% ~~964~~960.~~97247000~~01165124 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% ~~982~~979.~~61429626~~06336664 4.~~91307124~~89531712 0.00000000 0.00000000 B-2 767,000.00 6.00000% ~~982~~979.~~61430248~~06336375 4.~~91307692~~89531943 0.00000000 0.00000000 B-3 460,000.00 6.00000% ~~982~~979.~~61430435~~06336957 4.~~91306522~~89532609 0.00000000 0.00000000 B-4 306,000.00 6.00000% ~~982~~979.~~61431373~~06336601 4.~~91307190~~89532680 0.00000000 0.00000000 B-5 307,000.00 6.00000% ~~982~~979.~~61429967~~06335505 4.~~91306189~~89530945 0.00000000 0.00000000 B-6 308,460.92 6.00000% ~~982~~979.~~61429681~~06337697 4.~~91306970~~89530408 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.~~78351840~~65939262 0.00000000 ~~931~~878.~~87852625~~93994093 A-X 0.00000000 0.00000000 0.~~15725980~~15157320 0.00000000 ~~930~~876.~~11469127~~81784812 PO 0.00000000 0.00000000 0.00000000 0.00000000 ~~960~~929.~~01165124~~46890355 A-R 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 B-1 0.00000000 0.00000000 4.~~91307124~~89531712 0.00000000 ~~979~~975.~~06336664~~47430930 B-2 0.00000000 0.00000000 4.~~91307692~~89531943 0.00000000 ~~979~~975.~~06336375~~47430248 B-3 0.00000000 0.00000000 4.~~91306522~~89532609 0.00000000 ~~979~~975.~~06336957~~47430435 B-4 0.00000000 0.00000000 4.~~91307190~~89532680 0.00000000 ~~979~~975.~~06336601~~47431373 B-5 0.00000000 0.00000000 4.~~91306189~~89530945 0.00000000 ~~979~~975.~~06335505~~47429967 B-6 0.00000000 0.00000000 4.~~91306970~~89530408 0.00000000 ~~979~~975.~~06337697~~47429995 (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 917,~~063~~521,~~133~~705.3228 Liquidations, Insurance Proceeds, Reserve Funds 0.00 Proceeds from Repurchased Loans 0.00 Other Amounts (Servicer Advances) 6,~~482~~330.5582 Realized Losses 0.00 Prepayment Penalties 0.00 Total Deposits 917,~~069~~528,~~615~~036.8710 Withdrawals Reimbursement for Servicer Advances 0.00 Payment of Service Fee 6260,~~362~~648.0971 Payment of Interest and Principal 917,~~007~~467,~~253~~387.7839 Total Withdrawals (Pool Distribution Amount) 917,~~069~~528,~~615~~036.8710 Ending Balance 0.00

SERVICING FEES Gross Servicing Fee 6260,~~362~~648.0971 Supported Prepayment/Curtailment Interest Shortfall 0.00 Net Servicing Fee 6260,~~362~~648.0971

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 2 0 0 0 2 ~~741~~738,~~303~~090.3138 0.00 0.00 0.00 ~~741~~738,~~303~~090.3138 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 2 0 0 0 2 ~~741~~738,~~303~~090.3138 0.00 0.00 0.00 ~~741~~738,~~303~~090.3138 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.~~292826~~307692% 0.000000% 0.000000% 0.000000% 0.~~292826~~307692% 0.~~258302~~272394% 0.000000% 0.000000% 0.000000% 0.~~258302~~272394% 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.~~292826~~307692% 0.000000% 0.000000% 0.000000% 0.~~292826~~307692% 0.~~258302~~272394% 0.000000% 0.000000% 0.000000% 0.~~258302~~272394%

OTHER INFORMATION Current Period Class A Insufficient Funds 0.00 Principal Balance of Contaminated Properties 0.00 Periodic Advance 6,~~482~~330.5582

CREDIT ENHANCEMENT Original $ Original % Current $ Current % Bankruptcy 100,000.00 0.03258817% 100,000.00 0.~~03494099~~03701013% Fraud 3,068,280.00 0.99989630% 3,068,280.00 1.~~07208738~~13557448% Special Hazard 3,068,598.00 0.99999993% 3,068,598.00 1.~~07219849~~13569217% Limit of Subordinate's Exposure to Certain Types of Losses

COLLATERAL STATEMENT Collateral Description Fixed 15 Year Weighted Average Gross Coupon 6.~~407526~~404668% Weighted Average Pass-Through Rate 6.~~152726~~150373% Weighted Average Maturity(Stepdown Calculation ) ~~171~~170 Beginning Scheduled Collateral Loan Count ~~698~~683 Number Of Loans Paid In Full 1533 Ending Scheduled Collateral Loan Count ~~683~~650 Beginning Scheduled Collateral Balance ~~293~~286,~~698~~196,~~204~~820.0355 Ending Scheduled Collateral Balance ~~286~~270,196,~~820~~280.5582 Ending Actual Collateral Balance at 31-~~Jul~~Aug-2002 ~~286~~270,~~991~~963,~~462~~981.3807 Monthly P &I Constant 2,~~629~~576,~~679~~723.8990 Special Servicing Fee 0.00 Prepayment Penalties 0.00 Realized Loss Amount 0.00 Cumulative Realized Loss 0.00 Class A Optimal Amount 817,~~921~~355,~~478~~019.1353 Class AP Deferred Amount 0.00 Ending Scheduled Balance for Premium Loans ~~252~~237,~~363~~903,~~805~~014.2829 Ending scheduled Balance For discounted Loans 3332,~~833~~293,~~015~~266.2753 Scheduled Principal 1,~~061~~049,~~447~~227.4153 Unscheduled Principal 614,~~439~~951,~~936~~312.0720

Miscellaneous Reporting Senior Percentage 98.51471903% Senior Prepayment Percentage 100.00000000% Junior Percentage 1.49528097% Junior Prepayment Percentage 0.00000000% Remaining Class Unpaid Interest ~~Shortfall~~Shortfal 0.00

Filing Compare · MASTR ASSET SECURITIZATION TRUST 2002-1