8-K 1 mst04005_dec.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 27, 2004 MASTR ASSET SECURITIZATION TRUST Mortgage Pass-Through Certificates, Series 2004-5 Trust (Exact name of registrant as specified in its charter) New York (governing law of 333-106982-24 54-2151961 Pooling and Servicing Agreement) (Commission 54-2151962 (State or other File Number) IRS EIN jurisdiction of Incorporation) c/o Wells Fargo Bank, 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) Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below): [ ] Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) [ ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) [ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act(17 CFR 240.14d-2(b)) [ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act(17 CFR 240.13e-4(c)) ITEM 8.01 Other Events On December 27, 2004 a distribution was made to holders of MASTR ASSET SECURITIZATION TRUST, Mortgage Pass-Through Certificates, Series 2004-5 Trust. ITEM 9.01 Financial Statements and Exhibits (c) Exhibits Exhibit Number Description EX-99.1 Monthly report distributed to holders of Mortgage Pass-Through Certificates, Series 2004-5 Trust, relating to the December 27, 2004 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 2004-5 Trust (Registrant) By: Wells Fargo Bank, N.A. as Master Servicer By: /s/ Beth Belfield as Assistant Vice President By: Beth Belfield as Assistant Vice President Date: 1/5/2005 INDEX TO EXHIBITS Exhibit Number Description EX-99.1 Monthly report distributed to holders of Mortgage Pass-Through Certificates, Series 2004-5 Trust, relating to the December 27, 2004 distribution. EX-99.1

Mortgage Asset Securitization Transactions, Inc. Mortgage Pass-Through Certificates Record Date: 1011/3130/042004 Distribution Date: 1112/2627/042004 ~~MASTR~~Mortgage Asset Securitization Transactions, Inc. Mortgage Pass-Through Certificates Series: 2004-5 Contact: Customer Service - CTSLink Wells Fargo Bank, 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 57643MBH6 SEN 5.25000% ~~159~~155,~~260~~207,~~917~~861.2541 ~~696~~679,~~766~~034.4839 41,~~053~~603,~~055~~330.8422 1-A-2 57643MBJ2 SEN 5.50000% 21,276,000.00 97,515.00 0.00 1-A-3 57643MBK9 SEN 5.50000% 11,651,045.00 53,400.62 0.00 1-A-4 57643MBL7 SEN 0.00000% 1,567,955.00 0.00 0.00 1-A-5 57643MBM5 LOCK 5.25000% 22,981,000.00 100,541.8788 0.00 1-A-6 57643MBN3 LOCK 5.25000% 2,000,000.00 8,750.00 0.00 2-A-1 57643MBP8 SEN 5.00000% 69,~~486~~177,~~908~~104.9857 ~~289~~288,~~528~~237.7894 ~~309~~1,~~804~~112,800.4105 30-PO 57643MBR4 PO 0.00000% ~~231~~230,~~118~~829.9379 0.00 ~~289~~300.1475 15-PO 57643MBQ6 PO 0.00000% 1,~~880~~872,~~096~~023.7358 0.00 87,~~073~~684.1520 30-A-X 57643MBT0 IO 5.25000% 0.00 8381,~~213~~545.4721 0.00 15-A-X 57643MBS2 IO 5.00000% 0.00 7,~~069~~040.9752 0.00 A-UR 57643MBV5 SEN 5.00000% 0.00 0.0100 0.00 A-LR 57643MBU7 SEN 5.00000% 0.00 0.00 0.00 B-1 57643MBW3 SUB 5.~~19061~~19074% 4,~~557~~549,~~696~~623.5742 19,~~714~~679.3694 8,~~073~~120.1639 B-2 57643MBX1 SUB 5.~~19061~~19074% 1,~~628~~625,~~102~~218.2535 7,~~042~~030.3708 2,~~883~~900.9077 B-3 57643MBY9 SUB 5.~~19061~~19074% ~~976~~975,~~861~~131.3501 4,~~225~~218.4205 1,~~730~~740.3446 B-4 57643MBZ6 SUB 5.~~19061~~19074% ~~651~~650,~~240~~087.9034 2,~~816~~812.9503 1,~~153~~160.5631 B-5 57643MCA0 SUB 5.~~19061~~19074% 487,~~935~~071.8152 2,~~110~~106.5789 ~~864~~869.2935 B-6 57643MCB8 SUB 5.~~19061~~19074% ~~488~~487,~~804~~938.7996 2,~~114~~110.3364 ~~865~~870.8390 Totals ~~299~~294,~~125~~738,~~683~~889.5695 1,~~374~~354,~~810~~023.2019 42,~~386~~739,~~793~~777.6240

Certificateholder Distribution Summary (continued) Current Ending Cumulative Realized Certificate Total Realized Class Loss Balance Distribution Losses 1-A-1 0.00 ~~155~~153,~~207~~604,~~861~~531.4119 42,~~749~~282,~~822~~364.3261 0.00 1-A-2 0.00 21,276,000.00 97,515.00 0.00 1-A-3 0.00 11,651,045.00 53,400.62 0.00 1-A-4 0.00 1,567,955.00 0.00 0.00 1-A-5 0.00 22,981,000.00 100,541.8788 0.00 1-A-6 0.00 2,000,000.00 8,750.00 0.00 2-A-1 0.00 6968,~~177~~064,~~104~~304.5752 ~~599~~1,~~333~~401,037.1999 0.00 30-PO 0.00 230,~~829~~529.7904 ~~289~~300.1475 0.00 15-PO 0.00 1,~~872~~864,~~023~~339.5838 87,~~073~~684.1520 0.00 30-A-X 0.00 0.00 8381,~~213~~545.4721 0.00 15-A-X 0.00 0.00 7,~~069~~040.9752 0.00 A-UR 0.00 0.00 0.0100 0.00 A-LR 0.00 0.00 0.00 0.00 B-1 0.00 4,~~549~~541,~~623~~503.4202 27,~~787~~800.5233 0.00 B-2 0.00 1,~~625~~622,~~218~~317.3558 9,~~926~~930.2785 0.00 B-3 0.00 ~~975~~973,~~131~~390.0155 5,~~955~~958.7651 0.00 B-4 0.00 ~~650~~648,~~087~~927.3403 3,~~970~~972.5134 0.00 B-5 0.00 ~~487~~486,~~071~~202.5217 2,~~974~~976.8624 0.00 B-6 0.00 487,~~938~~068.9606 2,~~980~~981.1654 0.00 Totals 0.00 ~~294~~291,~~738~~999,~~889~~112.9554 54,~~761~~093,~~603~~800.8259 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-1 183,361,000.00 ~~159~~155,~~260~~207,~~917~~861.2541 ~~237~~234,~~618~~961.2131 31,~~815~~368,~~437~~368.6391 0.00 0.00 1-A-2 21,276,000.00 21,276,000.00 0.00 0.00 0.00 0.00 1-A-3 11,651,045.00 11,651,045.00 0.00 0.00 0.00 0.00 1-A-4 1,567,955.00 1,567,955.00 0.00 0.00 0.00 0.00 1-A-5 22,981,000.00 22,981,000.00 0.00 0.00 0.00 0.00 1-A-6 2,000,000.00 2,000,000.00 0.00 0.00 0.00 0.00 2-A-1 75,053,000.00 69,~~486~~177,~~908~~104.9857 ~~275~~277,~~859~~206.2804 33835,~~945~~594.1301 0.00 0.00 30-PO 232,852.00 ~~231~~230,~~118~~829.9379 ~~289~~290.0530 010.0945 0.00 0.00 15-PO 1,951,705.00 1,~~880~~872,~~096~~023.7358 7,~~690~~684.0120 ~~383~~0.1400 0.00 0.00 30-A-X 0.00 0.00 0.00 0.00 0.00 0.00 15-A-X 0.00 0.00 0.00 0.00 0.00 0.00 A-UR 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 4,605,000.00 4,~~557~~549,~~696~~623.5742 8,~~073~~120.1639 0.00 0.00 0.00 B-2 1,645,000.00 1,~~628~~625,~~102~~218.2535 2,~~883~~900.9077 0.00 0.00 0.00 B-3 987,000.00 ~~976~~975,~~861~~131.3501 1,~~730~~740.3446 0.00 0.00 0.00 B-4 658,000.00 ~~651~~650,~~240~~087.9034 1,~~153~~160.5631 0.00 0.00 0.00 B-5 493,000.00 487,~~935~~071.8152 ~~864~~869.2935 0.00 0.00 0.00 B-6 493,878.00 ~~488~~487,~~804~~938.7996 ~~865~~870.8390 0.00 0.00 0.00 Totals 328,956,535.00 ~~299~~294,~~125~~738,~~683~~889.5695 ~~537~~535,~~027~~804.6303 32,~~849~~203,~~765~~973.9937 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 41,~~053~~603,~~055~~330.8422 ~~155~~153,~~207~~604,~~861~~531.4119 0.~~84646060~~83771648 41,~~053~~603,~~055~~330.8422 1-A-2 0.00 21,276,000.00 1.00000000 0.00 1-A-3 0.00 11,651,045.00 1.00000000 0.00 1-A-4 0.00 1,567,955.00 1.00000000 0.00 1-A-5 0.00 22,981,000.00 1.00000000 0.00 1-A-6 0.00 2,000,000.00 1.00000000 0.00 2-A-1 ~~309~~1,~~804~~112,800.4105 6968,~~177~~064,~~104~~304.5752 0.~~92171005~~90688320 ~~309~~1,~~804~~112,800.4105 30-PO ~~289~~300.1475 230,~~829~~529.7904 0.~~99131547~~99002388 ~~289~~300.1475 15-PO 87,~~073~~684.1520 1,~~872~~864,~~023~~339.5838 0.~~95917343~~95523626 87,~~073~~684.1520 30-A-X 0.00 0.00 0.00000000 0.00 15-A-X 0.00 0.00 0.00000000 0.00 A-UR 0.00 0.00 0.00000000 0.00 A-LR 0.00 0.00 0.00000000 0.00 B-1 8,~~073~~120.1639 4,~~549~~541,~~623~~503.4202 0.~~98797468~~98621130 8,~~073~~120.1639 B-2 2,~~883~~900.9077 1,~~625~~622,~~218~~317.3558 0.~~98797468~~98621129 2,~~883~~900.9077 B-3 1,~~730~~740.3446 ~~975~~973,~~131~~390.0155 0.~~98797468~~98621130 1,~~730~~740.3446 B-4 1,~~153~~160.5631 ~~650~~648,~~087~~927.3403 0.~~98797468~~98621129 1,~~153~~160.5631 B-5 ~~864~~869.2935 ~~487~~486,~~071~~202.5217 0.~~98797469~~98621130 ~~864~~869.2935 B-6 ~~865~~870.8390 487,~~938~~068.9606 0.~~98797468~~98621129 ~~865~~870.8390 Totals 42,~~386~~739,~~793~~777.6240 ~~294~~291,~~738~~999,~~889~~112.9554 0.~~89598126~~88765257 42,~~386~~739,~~793~~777.6240

Principal Distribution Factors Statement Original Beginning Scheduled Unscheduled Face Certificate Principal Principal Class (2) Amount Balance Distribution Distribution Accretion 1-A-1 183,361,000.00 ~~868~~846.~~56483794~~46059636 1.~~29590376~~28141377 207.~~80833781~~46270423 0.00000000 1-A-2 21,276,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 1-A-3 11,651,045.00 1000.00000000 0.00000000 0.00000000 0.00000000 1-A-4 1,567,955.00 1000.00000000 0.00000000 0.00000000 0.00000000 1-A-5 22,981,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 1-A-6 2,000,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 2-A-1 75,053,000.00 ~~925~~921.~~83786098~~71005250 3.~~67552636~~69347048 011.~~45228212~~13338587 0.00000000 30-PO 232,852.00 ~~992~~991.~~55720372~~31547077 1.~~24134643~~24671465 0.~~00038651~~04487829 0.00000000 15-PO 1,951,705.00 ~~963~~959.~~30989058~~17343041 3.~~94014977~~93717288 0.~~19631041~~00000000 0.00000000 30-A-X 0.00 0.00000000 0.00000000 0.00000000 0.00000000 15-A-X 0.00 0.00000000 0.00000000 0.00000000 0.00000000 A-UR 50.00 0.00000000 0.00000000 0.00000000 0.00000000 A-LR 50.00 0.00000000 0.00000000 0.00000000 0.00000000 B-1 4,605,000.00 ~~989~~987.~~72781107~~97468404 1.~~75312921~~76338545 0.00000000 0.00000000 B-2 1,645,000.00 ~~989~~987.~~72781155~~97468085 1.~~75313070~~76338602 0.00000000 0.00000000 B-3 987,000.00 ~~989~~987.~~72781155~~97468085 1.~~75313070~~76338399 0.00000000 0.00000000 B-4 658,000.00 ~~989~~987.~~72781155~~97468085 1.~~75313070~~76338906 0.00000000 0.00000000 B-5 493,000.00 ~~989~~987.~~72780933~~97468560 1.~~75312373~~76338742 0.00000000 0.00000000 B-6 493,878.00 ~~989~~987.~~72780727~~97468201 1.~~75312527~~76339096 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 228.~~10424158~~74411800 ~~846~~837.~~46059636~~71647837 0.~~84646060~~83771648 228.~~10424158~~74411800 1-A-2 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 1-A-3 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 1-A-4 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 1-A-5 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 1-A-6 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 2-A-1 0.00000000 414.~~12780848~~82685635 ~~921~~906.~~71005250~~88319614 0.~~92171005~~90688320 414.~~12780848~~82685635 30-PO 0.00000000 1.~~24173295~~29159294 ~~991~~990.~~31547077~~02387783 0.~~99131547~~99002388 1.~~24173295~~29159294 15-PO 0.00000000 43.~~13646017~~93717288 ~~959~~955.~~17343041~~23625753 0.~~95917343~~95523626 43.~~13646017~~93717288 30-A-X 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 15-A-X 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 A-UR 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.~~75312921~~76338545 ~~987~~986.~~97468404~~21129642 0.~~98797468~~98621130 1.~~75312921~~76338545 B-2 0.00000000 1.~~75313070~~76338602 ~~987~~986.~~97468085~~21129483 0.~~98797468~~98621129 1.~~75313070~~76338602 B-3 0.00000000 1.~~75313070~~76338399 ~~987~~986.~~97468085~~21129686 0.~~98797468~~98621130 1.~~75313070~~76338399 B-4 0.00000000 1.~~75313070~~76338906 ~~987~~986.~~97468085~~21129179 0.~~98797468~~98621129 1.~~75313070~~76338906 B-5 0.00000000 1.~~75312373~~76338742 ~~987~~986.~~97468560~~21129817 0.~~98797469~~98621130 1.~~75312373~~76338742 B-6 0.00000000 1.~~75312527~~76339096 ~~987~~986.~~97468201~~21129105 0.~~98797468~~98621129 1.~~75312527~~76339096 (3) Amount Does Not Include Excess Special Hazard, Bankruptcy, 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-1 183,361,000.00 5.25000% ~~159~~155,~~260~~207,~~917~~861.2541 ~~696~~679,~~766~~034.4839 0.00 0.00 1-A-2 21,276,000.00 5.50000% 21,276,000.00 97,515.00 0.00 0.00 1-A-3 11,651,045.00 5.50000% 11,651,045.00 53,400.62 0.00 0.00 1-A-4 1,567,955.00 0.00000% 1,567,955.00 0.00 0.00 0.00 1-A-5 22,981,000.00 5.25000% 22,981,000.00 100,541.88 0.00 0.00 1-A-6 2,000,000.00 5.25000% 2,000,000.00 8,750.00 0.00 0.00 2-A-1 75,053,000.00 5.00000% 69,~~486~~177,~~908~~104.9857 ~~289~~288,~~528~~237.7894 0.00 0.00 30-PO 232,852.00 0.00000% ~~231~~230,~~118~~829.9379 0.00 0.00 0.00 15-PO 1,951,705.00 0.00000% 1,~~880~~872,~~096~~023.7358 0.00 0.00 0.00 30-A-X 0.00 5.25000% 1918,~~020~~638,~~222~~905.4815 8381,~~213~~545.4721 0.00 0.00 15-A-X 0.00 5.00000% 1,~~696~~689,~~792~~725.1457 7,~~069~~040.9752 0.00 0.00 A-UR 50.00 5.00000% 0.00 0.00 0.00 0.00 A-LR 50.00 5.00000% 0.00 0.00 0.00 0.00 B-1 4,605,000.00 5.~~19061~~19074% 4,~~557~~549,~~696~~623.5742 19,~~714~~679.3694 0.00 0.00 B-2 1,645,000.00 5.~~19061~~19074% 1,~~628~~625,~~102~~218.2535 7,~~042~~030.3708 0.00 0.00 B-3 987,000.00 5.~~19061~~19074% ~~976~~975,~~861~~131.3501 4,~~225~~218.4205 0.00 0.00 B-4 658,000.00 5.~~19061~~19074% ~~651~~650,~~240~~087.9034 2,~~816~~812.9503 0.00 0.00 B-5 493,000.00 5.~~19061~~19074% 487,~~935~~071.8152 2,~~110~~106.5789 0.00 0.00 B-6 493,878.00 5.~~19061~~19074% ~~488~~487,~~804~~938.7996 2,~~114~~110.3364 0.00 0.00 Totals 328,956,535.00 1,~~374~~354,~~810~~023.2019 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 ~~696~~679,~~766~~034.4839 0.00 ~~155~~153,~~207~~604,~~861~~531.4119 1-A-2 0.00 0.00 97,515.00 0.00 21,276,000.00 1-A-3 0.00 0.00 53,400.62 0.00 11,651,045.00 1-A-4 0.00 0.00 0.00 0.00 1,567,955.00 1-A-5 0.00 0.00 100,541.8788 0.00 22,981,000.00 1-A-6 0.00 0.00 8,750.00 0.00 2,000,000.00 2-A-1 0.00 0.00 ~~289~~288,~~528~~237.7894 0.00 6968,~~177~~064,~~104~~304.5752 30-PO 0.00 0.00 0.00 0.00 230,~~829~~529.7904 15-PO 0.00 0.00 0.00 0.00 1,~~872~~864,~~023~~339.5838 30-A-X 0.00 0.00 8381,~~213~~545.4721 0.00 18,~~638~~525,~~905~~293.1510 15-A-X 0.00 0.00 7,~~069~~040.9752 0.00 1,~~689~~652,~~725~~556.5771 A-UR 0.00 0.00 0.0100 0.00 0.00 A-LR 0.00 0.00 0.00 0.00 0.00 B-1 0.00 0.00 19,~~714~~679.3694 0.00 4,~~549~~541,~~623~~503.4202 B-2 0.00 0.00 7,~~042~~030.3708 0.00 1,~~625~~622,~~218~~317.3558 B-3 0.00 0.00 4,~~225~~218.4205 0.00 ~~975~~973,~~131~~390.0155 B-4 0.00 0.00 2,~~816~~812.9503 0.00 ~~650~~648,~~087~~927.3403 B-5 0.00 0.00 2,~~110~~106.5789 0.00 ~~487~~486,~~071~~202.5217 B-6 0.00 0.00 2,~~114~~110.3364 0.00 487,~~938~~068.9606 Totals 0.00 0.00 1,~~374~~354,~~810~~023.2019 0.00 (4) Amount Does Not Include Excess Special Hazard, Bankruptcy, 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-1 183,361,000.00 5.25000% ~~868~~846.~~56483794~~46059636 3.~~79997099~~70326509 0.00000000 0.00000000 1-A-2 21,276,000.00 5.50000% 1000.00000000 4.58333333 0.00000000 0.00000000 1-A-3 11,651,045.00 5.50000% 1000.00000000 4.58333308 0.00000000 0.00000000 1-A-4 1,567,955.00 0.00000% 1000.00000000 0.00000000 0.00000000 0.00000000 1-A-5 22,981,000.00 5.25000% 1000.00000000 4.37500022 0.00000000 0.00000000 1-A-6 2,000,000.00 5.25000% 1000.00000000 4.37500000 0.00000000 0.00000000 2-A-1 75,053,000.00 5.00000% ~~925~~921.~~83786098~~71005250 3.~~85765766~~84045861 0.00000000 0.00000000 30-PO 232,852.00 0.00000% ~~992~~991.~~55720372~~31547077 0.00000000 0.00000000 0.00000000 15-PO 1,951,705.00 0.00000% ~~963~~959.~~30989058~~17343041 0.00000000 0.00000000 0.00000000 30-A-X 0.00 5.25000% ~~868~~851.~~55447935~~14170327 3.~~79992569~~72374495 0.00000000 0.00000000 15-A-X 0.00 5.00000% ~~849~~846.~~73744003~~19856867 3.~~54057404~~52582576 0.00000000 0.00000000 A-UR 50.00 5.00000% 0.00000000 0.00000000 0.00000000 0.00000000 A-LR 50.00 5.00000% 0.00000000 0.00000000 0.00000000 0.00000000 B-1 4,605,000.00 5.~~19061~~19074% ~~989~~987.~~72781107~~97468404 4.~~28107709~~27360261 0.00000000 0.00000000 B-2 1,645,000.00 5.~~19061~~19074% ~~989~~987.~~72781155~~97468085 4.~~28107599~~27360486 0.00000000 0.00000000 B-3 987,000.00 5.~~19061~~19074% ~~989~~987.~~72781155~~97468085 4.~~28107396~~27360689 0.00000000 0.00000000 B-4 658,000.00 5.~~19061~~19074% ~~989~~987.~~72781155~~97468085 4.~~28107903~~27360182 0.00000000 0.00000000 B-5 493,000.00 5.~~19061~~19074% ~~989~~987.~~72780933~~97468560 4.~~28107505~~27361055 0.00000000 0.00000000 B-6 493,878.00 5.~~19061~~19074% ~~989~~987.~~72780727~~97468201 4.~~28107751~~27360603 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 3.~~79997099~~70326509 0.00000000 ~~846~~837.~~46059636~~71647837 1-A-2 0.00000000 0.00000000 4.58333333 0.00000000 1000.00000000 1-A-3 0.00000000 0.00000000 4.58333308 0.00000000 1000.00000000 1-A-4 0.00000000 0.00000000 0.00000000 0.00000000 1000.00000000 1-A-5 0.00000000 0.00000000 4.~~37499978~~37500022 0.00000000 1000.00000000 1-A-6 0.00000000 0.00000000 4.37500000 0.00000000 1000.00000000 2-A-1 0.00000000 0.00000000 3.~~85765766~~84045861 0.00000000 ~~921~~906.~~71005250~~88319614 30-PO 0.00000000 0.00000000 0.00000000 0.00000000 ~~991~~990.~~31547077~~02387783 15-PO 0.00000000 0.00000000 0.00000000 0.00000000 ~~959~~955.~~17343041~~23625753 30-A-X 0.00000000 0.00000000 3.~~79992569~~72374495 0.00000000 ~~851~~845.~~14170327~~95363278 15-A-X 0.00000000 0.00000000 3.~~54057404~~52582576 0.00000000 ~~846~~827.~~19856867~~58475547 A-UR 0.00000000 0.00000000 0.~~20000000~~00000000 0.00000000 0.00000000 A-LR 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 B-1 0.00000000 0.00000000 4.~~28107709~~27360261 0.00000000 ~~987~~986.~~97468404~~21129642 B-2 0.00000000 0.00000000 4.~~28107599~~27360486 0.00000000 ~~987~~986.~~97468085~~21129483 B-3 0.00000000 0.00000000 4.~~28107396~~27360689 0.00000000 ~~987~~986.~~97468085~~21129686 B-4 0.00000000 0.00000000 4.~~28107903~~27360182 0.00000000 ~~987~~986.~~97468085~~21129179 B-5 0.00000000 0.00000000 4.~~28107505~~27361055 0.00000000 ~~987~~986.~~97468560~~21129817 B-6 0.00000000 0.00000000 4.~~28107751~~27360603 0.00000000 ~~987~~986.~~97468201~~21129105 (6) Amount Does Not Include Excess Special Hazard, Bankruptcy,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 54,~~815~~153,~~580~~845.6354 Liquidations, Insurance Proceeds, Reserve Funds 0.00 Proceeds from Repurchased Loans 0.00 Other Amounts (Servicer Advances) 92,~~571~~558.5679 Realized Loss (Gains, Subsequent Expenses & Recoveries) 0.00 Prepayment Penalties 0.00 Total Deposits 54,~~825~~156,~~152~~404.1933 Withdrawals Reimbursement for Servicer Advances 0.00 Payment of Service Fee 6362,~~548~~603.3774 Payment of Interest and Principal 54,~~761~~093,~~603~~800.8259 Total Withdrawals (Pool Distribution Amount) 54,~~825~~156,~~152~~404.1933 Ending Balance 0.00

SERVICING FEES Gross Servicing Fee 6261,~~317~~403.8491 Master Servicing Fee ~~611~~598.9446 WMMSC Master Servicing Fee ~~618~~601.5937 Supported Prepayment/Curtailment Interest Shortfall 0.00 Net Servicing Fee 6362,~~548~~603.3774

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 41 0 0 0 4 1 426,~~607,635~~675.8482 0.00 0.00 0.00 1426,~~607,635~~675.8482 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 41 0 0 0 4 1 426,~~607,635~~675.8482 0.00 0.00 0.00 1426,~~607,635~~675.8482 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.~~663350~~167224% 0.000000% 0.000000% 0.000000% 0.~~663350~~167224% 0.~~544677~~145920% 0.000000% 0.000000% 0.000000% 0.~~544677~~145920% 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.~~663350~~167224% 0.000000% 0.000000% 0.000000% 0.~~663350~~167224% 0.~~544677~~145920% 0.000000% 0.000000% 0.000000% 0.~~544677~~145920%

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 41 0 0 0 4 1 426,~~607,635~~675.8482 0.00 0.00 0.00 1426,~~607,635~~675.8482 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 41 0 0 0 4 1 426,~~607,635~~675.8482 0.00 0.00 0.00 1426,~~607,635~~675.8482 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 0.~~867679~~218341% 0.000000% 0.000000% 0.000000% 0.~~867679~~218341% 0.~~724801~~193776% 0.000000% 0.000000% 0.000000% 0.~~724801~~193776% 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.~~867679~~218341% 0.000000% 0.000000% 0.000000% 0.~~867679~~218341% 0.~~724801~~193776% 0.000000% 0.000000% 0.000000% 0.~~724801~~193776% 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 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%

OTHER INFORMATION Current Period Class A Insufficient Funds 0.00 Principal Balance of Contaminated Properties 0.00 Periodic Advance 92,~~571~~558.5679

CREDIT ENHANCEMENT Original $ Original % Current $ Current % Bankruptcy 100,000.00 0.03039915% 100,000.00 0.~~03392834~~03424668% Fraud 3,289,565.00 0.99999989% 3,289,565.00 1.~~11609465~~12656677% Special Hazard 4,021,632.00 1.22254206% 4,021,632.00 1.~~36447280~~37727541% Limit of Subordinate's Exposure to Certain Types of Losses

COLLATERAL STATEMENT Collateral Description Mixed Fixed Ratio Strip Weighted Average Gross Coupon 5.~~770251~~767655% Weighted Average Pass-Through Rate 5.~~515314~~512770% Weighted Average Maturity(Stepdown Calculation ) ~~307~~306 Beginning Scheduled Collateral Loan Count ~~611~~603 Number Of Loans Paid In Full 85 Ending Scheduled Collateral Loan Count ~~603~~598 Beginning Scheduled Collateral Balance ~~299~~294,~~125~~738,~~685~~891.3270 Ending Scheduled Collateral Balance ~~294~~291,~~738~~999,~~891~~114.7030 Ending Actual Collateral Balance at 3130-~~Oct~~Nov-2004 ~~295~~292,~~153~~403,~~862~~432.2901 Monthly P &I Constant 1,~~975~~952,~~386~~469.1840 Special Servicing Fee 0.00 Prepayment Penalties 0.00 Realized Loss Amount 0.00 Cumulative Realized Loss 0.00 Class A Optimal Amount 54,~~699~~032,~~646~~195.4583 Class AP Deferred Amount 0.00 Ending Scheduled Balance for Premium Loans ~~294~~291,~~738~~999,~~891~~114.7030 Scheduled Principal ~~537~~535,~~027~~842.6361 Unscheduled Principal 32,~~849~~203,~~765~~934.9979

Miscellaneous Reporting Group 1Senior % 9796.~~026948~~975708% Group 2 Senior % 97.~~082487~~081097% Group 1 Senior Prepayment % 100.000000% Group 2 Senior Prepayment % 100.000000% Group 1 Junior % 23.~~973052~~024292% Group 2 Junior % 2.~~917513~~918903%

Group Level Collateral Statement Group Group 1 Group 2 Total Collateral Description Fixed 30 Year Ratio Strip Fixed 15 Year Ratio Strip ~~Mixed~~mixed Fixed Ratio Strip Weighted Average Coupon Rate 5.~~942349~~941268 5.~~241529~~241539 5.~~770251~~767655 Weighted Average Net Rate 5.~~692349~~691268 4.~~991529~~991539 5.~~520251~~517655 Weighted Average Maturity ~~350~~349 ~~170~~169 ~~307~~306 Beginning Loan Count ~~469~~461 142 ~~611~~603 Loans Paid In Full 83 02 85 Ending Loan Count ~~461~~458 ~~142~~140 ~~603~~598 Beginning Scheduled Balance ~~225~~221,~~670~~609,~~465~~839.8690 73,~~455~~129,~~219~~051.4680 ~~299~~294,~~125~~738,~~685~~891.3270 Ending scheduled Balance ~~221~~219,~~609~~998,~~839~~881.9041 7372,~~129~~000,~~051~~232.8089 ~~294~~291,~~738~~999,~~891~~114.7030 Record Date 1011/3130/2004 1011/3130/2004 1011/3130/2004 Principal And Interest Constant 1,~~362~~339,~~698~~781.7193 612,687.47 1,~~975~~952,~~386~~469.1840 Scheduled Principal ~~245~~242,~~188~~579.2413 ~~291~~293,~~839~~263.3948 ~~537~~535,~~027~~842.6361 Unscheduled Principal 31,~~815~~368,~~437~~379.7236 34835,~~328~~555.2743 32,~~849~~203,~~765~~934.9979 Scheduled Interest 1,~~117~~097,~~510~~202.4780 ~~320~~319,~~848~~423.0899 1,~~438~~416,~~358~~626.5579 Servicing Fees 4746,~~014~~168.6671 15,~~303~~235.1820 6261,~~317~~403.8491 Master Servicing Fees ~~565~~552.4716 46.4730 ~~611~~598.9446 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 ~~419~~403.8566 ~~198~~197.7471 ~~618~~601.5937 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 1,~~069~~050,~~510~~078.4927 ~~305~~303,~~299~~944.6978 1,~~374~~354,~~810~~023.1805 Realized Loss Amount 0.00 0.00 0.00 Cumulative Realized Loss 0.00 0.00 0.00 Percentage of Cumulative Losses 0.0000 0.0000 0.0000 Prepayment Penalties 0.00 0.00 0.00 Special Servicing Fee 0.00 0.00 0.00 Pass-Through Rate 5.~~687109~~686092 4.~~987524~~987535 5.~~515314~~512770

Filing Compare · MORTGAGE ASSET SEC TRANS INC MASTR ASSET SEC TR 2004-5