8-K 1 mst04010_dec.txt DECEMBER 8-K 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 2004-10 Trust (Exact name of registrant as specified in its charter) New York (governing law of 333-106982-48 54-2162606 Pooling and Servicing Agreement) (Commission 54-2162607 (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 2004-10 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 2004-10 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 2004-10 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 2004-10 Trust, relating to the December 27, 2004 distribution. EX-99.1

~~SECURITIES~~Mortgage ~~AND~~Asset ~~EXCHANGE~~Securitization ~~COMMISSION~~Transactions, Inc. Mortgage Pass-Through Certificates Record Date: 11/30/2004 Distribution Date: 12/27/2004 Mortgage Asset Securitization Transactions, Inc. Mortgage Pass-Through Certificates Series 2004-10 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 57643MGV0 SEN 4.50000% 49,796,018.23 186,704.40 1,179,655.74 2-A-1 57643MGW8 SEN 5.00000% 67,448,430.30 280,988.98 2,971,317.23 2-A-2 57643MGX6 SEQ 5.00000% 9,948,587.01 41,445.64 544,479.00 2-A-3 57643MGY4 SEQ 5.00000% 2,411,000.00 10,044.18 0.00 3-A-1 57643MGZ1 SEN 5.50000% 72,282,156.75 331,238.82 3,033,798.69 4-A-1 57643MHA5 SEQ 5.25000% 36,599,760.01 160,097.66 1,403,908.22 4-A-2 57643MHB3 SEQ 8.00000% 3,659,976.00 24,395.83 140,390.82 4-A-3 57643MHC1 SEQ 5.50000% 3,955,000.00 18,124.11 0.00 4-A-4 57643MHD9 LOCK 5.50000% 5,100,000.00 23,371.16 0.00 5-A-1 57643MHE7 SEQ 2.58000% 11,197,221.46 24,070.07 21,628.83 5-A-2 57643MHF4 IO 5.42000% 0.00 50,565.81 0.00 5-A-3 57643MHG2 SEQ 5.00000% 33,591,664.38 139,942.28 64,886.50 5-A-4 57643MHH0 SEQ 5.75000% 6,153,000.00 29,478.28 0.00 5-A-5 57643MHJ6 SEQ 5.75000% 2,869,000.00 13,745.03 0.00 5-A-6 57643MHK3 LOCK 5.75000% 6,200,000.00 29,703.45 0.00 6-A-1 57643MHL1 SEN 6.00000% 45,857,039.63 229,247.55 1,030,642.19 15-PO 57643MHM9 PO 0.00000% 2,056,655.52 0.00 78,206.15 30-PO 57643MHN7 PO 0.00000% 773,796.23 0.00 31,161.19 15-AX 57643MHP2 IO 5.00000% 0.00 17,486.56 0.00 30-AX 57643MHQ0 IO 5.75000% 0.00 18,181.50 0.00 A-LR 57643MHR8 RES 4.50000% 0.00 0.00 0.00 A-UR 57643MHS6 RES 4.50000% 0.00 0.00 0.00 B-1 57643MHT4 SUB 5.33058% 4,865,357.89 21,609.11 12,730.26 B-2 57643MHU1 SUB 5.33058% 1,684,622.69 7,482.12 4,407.83 B-3 57643MHV9 SUB 5.33058% 935,569.02 4,155.26 2,447.93 B-4 57643MHW7 SUB 5.33058% 748,056.26 3,322.43 1,957.30 B-5 57643MHX5 SUB 5.33058% 749,053.66 3,326.86 1,959.91 B-6 57643MHY3 SUB 5.33058% 374,589.86 1,663.71 980.12 Totals 369,256,554.90 1,670,390.80 10,524,557.91

~~Washington~~Certificateholder Distribution Summary (continued) Current Ending Cumulative Realized Certificate Total Realized Class Loss Balance Distribution Losses 1-A-1 0.00 48,616,362.50 D1,366,360.C14 0. ~~20549~~00 2-A-1 0.00 64,477,113.07 3,252,306.21 0.00 2-A-2 0.00 9,404,108.01 585,924.64 0.00 2-A-3 0.00 2,411,000.00 10,044.18 0.00 3-A-1 0.00 69,248,358.06 3,365,037.51 0.00 4-A-1 0.00 35,195,851.79 1,564,005.88 0.00 4-A-2 0.00 3,519,585.18 164,786.65 0.00 4-A-3 0.00 3,955,000.00 18,124.11 0.00 4-A-4 0.00 5,100,000.00 23,371.16 0.00 5-A-1 0.00 11,175,592.63 45,698.90 0.00 5-A-2 0.00 0.00 50,565.81 0.00 5-A-3 0.00 33,526,777.88 204,828.78 0.00 5-A-4 0.00 6,153,000.00 29,478.28 0.00 5-A-5 0.00 2,869,000.00 13,745.03 0.00 5-A-6 0.00 6,200,000.00 29,703.45 0.00 6-A-1 0.00 44,826,397.45 1,259,889.74 0.00 15-PO 0.00 1,978,449.37 78,206.15 0.00 30-PO 0.00 742,635.04 31,161.19 0.00 15-AX 0.00 0.00 17,486.56 0.00 30-AX 0.00 0.00 18,181.50 0.00 A-LR 0.00 0.00 0.00 0.00 A-UR 0.00 0.00 0.00 0.00 B-1 0.00 4,852,627.63 34,339.37 0.00 B-2 0.00 1,680,214.85 11,889.95 0.00 B-3 0.00 933,121.10 6,603.19 0.00 B-4 0.00 746,098.96 5,279.73 0.00 B-5 0.00 747,093.76 5,286.77 0.00 B-6 0.00 373,609.74 2,643.83 0.00 Totals 0.00 358,731,997.02 12,194,948.71 0.00 All distributions required by the Pooling and Servicing Agreement have been calculated by the Certificate Administrator on behalf of the Trustee.

~~Form~~Principal Distribution Statement Original Beginning Scheduled Unscheduled Face Certificate Principal Principal Realized Class Amount Balance Distribution Distribution Accretion Loss (1) 1-A-1 50,000,000.00 49,796,018.23 198,042.39 981,613.34 0.00 0.00 2-A-1 67,729,000.00 67,448,430.30 257,997.62 2,713,319.61 0.00 0.00 2-A-2 10,000,000.00 9,948,587.01 47,276.77 497,202.23 0.00 0.00 2-A-3 2,411,000.00 2,411,000.00 0.00 0.00 0.00 0.00 3-A-1 75,500,000.00 72,282,156.75 261,957.42 2,771,841.27 0.00 0.00 4-A-1 37,000,000.00 36,599,760.01 50,357.77 1,353,550.45 0.00 0.00 4-A-2 3,700,000.00 3,659,976.00 5,035.78 135,355.05 0.00 0.00 4-A-3 3,955,000.00 3,955,000.00 0.00 0.00 0.00 0.00 4-A-4 5,100,000.00 5,100,000.00 0.00 0.00 0.00 0.00 5-A-1 11,322,000.00 11,197,221.46 15,042.81 6,586.03 0.00 0.00 5-A-2 0.00 0.00 0.00 0.00 0.00 0.00 5-A-3 33,966,000.00 33,591,664.38 45,128.43 19,758.08 0.00 0.00 5-A-4 6,153,000.00 6,153,000.00 0.00 0.00 0.00 0.00 5-A-5 2,869,000.00 2,869,000.00 0.00 0.00 0.00 0.00 5-A-6 6,200,000.00 6,200,000.00 0.00 0.00 0.00 0.00 6-A-1 47,086,000.00 45,857,039.63 43,612.37 987,029.82 0.00 0.00 15-PO 2,079,880.53 2,056,655.52 8,037.98 70,168.17 0.00 0.00 30-KPO 783,616.81 773,796.23 903.77 30,257.42 0.00 0.00 15-AX 0.00 0.00 0.00 0.00 0.00 0.00 30-AX 0.00 0.00 0.00 0.00 0.00 0.00 A-LR 50.00 0.00 0.00 0.00 0.00 0.00 A-UR 50.00 0.00 0.00 0.00 0.00 0.00 B-1 4,878,000.00 4,865,357.89 12,730.26 0.00 0.00 0.00 B-2 1,689,000.00 1,684,622.69 4,407.83 0.00 0.00 0.00 B-3 938,000.00 935,569.02 2,447.93 0.00 0.00 0.00 B-4 750,000.00 748,056.26 1,957.30 0.00 0.00 0.00 B-5 751,000.00 749,053.66 1,959.91 0.00 0.00 0.00 B-6 375,563.19 374,589.86 980.12 0.00 0.00 0.00 Totals 375,236,160.53 369,256,554.90 957,876.46 9,566,681.47 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.

~~CURRENT~~Principal ~~REPORT~~Distribution Statement (continued) Total Ending Ending Total Principal Certificate Certificate Principal Class Reduction Balance Percentage Distribution 1-A-1 1,179,655.74 48,616,362.50 0.97232725 1,179,655.74 2-A-1 2,971,317.23 64,477,113.07 0.95198679 2,971,317.23 2-A-2 544,479.00 9,404,108.01 0.94041080 544,479.00 2-A-3 0.00 2,411,000.00 1.00000000 0.00 3-A-1 3,033,798.69 69,248,358.06 0.91719680 3,033,798.69 4-A-1 1,403,908.22 35,195,851.79 0.95123924 1,403,908.22 4-A-2 140,390.82 3,519,585.18 0.95123924 140,390.82 4-A-3 0.00 3,955,000.00 1.00000000 0.00 4-A-4 0.00 5,100,000.00 1.00000000 0.00 5-A-1 21,628.83 11,175,592.63 0.98706877 21,628.83 5-A-2 0.00 0.00 0.00000000 0.00 5-A-3 64,886.50 33,526,777.88 0.98706877 64,886.50 5-A-4 0.00 6,153,000.00 1.00000000 0.00 5-A-5 0.00 2,869,000.00 1.00000000 0.00 5-A-6 0.00 6,200,000.00 1.00000000 0.00 6-A-1 1,030,642.19 44,826,397.45 0.95201116 1,030,642.19 15-PO 78,206.15 1,978,449.37 0.95123222 78,206.15 30-PO 31,161.19 742,635.04 0.94770177 31,161.19 15-AX 0.00 0.00 0.00000000 0.00 30-AX 0.00 0.00 0.00000000 0.00 A-LR 0.00 0.00 0.00000000 0.00 A-UR 0.00 0.00 0.00000000 0.00 B-1 12,730.26 4,852,627.63 0.99479861 12,730.26 B-2 4,407.83 1,680,214.85 0.99479861 4,407.83 B-3 2,447.93 933,121.10 0.99479861 2,447.93 B-4 1,957.30 746,098.96 0.99479861 1,957.30 B-5 1,959.91 747,093.76 0.99479862 1,959.91 B-6 980.12 373,609.74 0.99479861 980.12 Totals 10,524,557.91 358,731,997.02 0.95601660 10,524,557.91

~~Pursuant~~Principal toDistribution ~~Section~~Factors 13Statement orOriginal Beginning Scheduled Unscheduled Face Certificate Principal Principal Class (2) Amount Balance Distribution Distribution Accretion 1-A-1 50,000,000.00 995.92036460 3.96084780 19.63226680 0.00000000 2-A-1 67,729,000.00 995.85746578 3.80926368 40.06141549 0.00000000 2-A-2 10,000,000.00 994.85870100 4.72767700 49.72022300 0.00000000 2-A-3 2,411,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 3-A-1 75,500,000.00 957.37955960 3.46963470 36.71312940 0.00000000 4-A-1 37,000,000.00 989.18270297 1.36102081 36.58244459 0.00000000 4-A-2 3,700,000.00 989.18270270 1.36102162 36.58244595 0.00000000 4-A-3 3,955,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 4-A-4 5,100,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 5-A-1 11,322,000.00 988.97910793 1.32863540 0.58170200 0.00000000 5-A-2 0.00 0.00000000 0.00000000 0.00000000 0.00000000 5-A-3 33,966,000.00 988.97910793 1.32863540 0.58170170 0.00000000 5-A-4 6,153,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 5-A-5 2,869,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 5-A-6 6,200,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 6-A-1 47,086,000.00 973.89966508 0.92622797 20.96227796 0.00000000 15-PO 2,079,880.53 988.83348843 3.86463544 33.73663486 0.00000000 30-PO 783,616.81 987.46762464 1.15333156 38.61252032 0.00000000 15-AX 0.00 0.00000000 0.00000000 0.00000000 0.00000000 30-AX 0.00 0.00000000 0.00000000 0.00000000 0.00000000 A-LR 50.00 0.00000000 0.00000000 0.00000000 0.00000000 A-UR 50.00 0.00000000 0.00000000 0.00000000 0.00000000 B-1 4,878,000.00 997.40834153 2.60972940 0.00000000 0.00000000 B-2 1,689,000.00 997.40834221 2.60972765 0.00000000 0.00000000 B-3 938,000.00 997.40833689 2.60973348 0.00000000 0.00000000 B-4 750,000.00 997.40834667 2.60973333 0.00000000 0.00000000 B-5 751,000.00 997.40833555 2.60973369 0.00000000 0.00000000 B-6 375,563.19 997.40834558 2.60973393 0.00000000 0.00000000 (d2) ofAll ~~the~~Classes are per $1,000 denomination

~~Securities~~Principal ~~Exchange~~Distribution ~~Act~~Factors ofStatement ~~1934~~(continued) Total Ending Ending Total Realized Principal Certificate Certificate Principal Class Loss (3) Reduction Balance Percentage Distribution 1-A-1 0.00000000 23.59311480 972.32725000 0.97232725 23.59311480 2-A-1 0.00000000 43.87067918 951.98678661 0.95198679 43.87067918 2-A-2 0.00000000 54.44790000 940.41080100 0.94041080 54.44790000 2-A-3 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 3-A-1 0.00000000 40.18276411 917.19679550 0.91719680 40.18276411 4-A-1 0.00000000 37.94346541 951.23923757 0.95123924 37.94346541 4-A-2 0.00000000 37.94346486 951.23923784 0.95123924 37.94346486 4-A-3 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 4-A-4 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 5-A-1 0.00000000 1.91033651 987.06877142 0.98706877 1.91033651 5-A-2 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 5-A-3 0.00000000 1.91033681 987.06877112 0.98706877 1.91033681 5-A-4 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 5-A-5 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 5-A-6 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 6-A-1 0.00000000 21.88850593 952.01115937 0.95201116 21.88850593 15-PO 0.00000000 37.60127030 951.23221813 0.95123222 37.60127030 30-PO 0.00000000 39.76585188 947.70177276 0.94770177 39.76585188 15-AX 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 30-AX 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 A-LR 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 A-UR 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 B-1 0.00000000 2.60972940 994.79861214 0.99479861 2.60972940 B-2 0.00000000 2.60972765 994.79860864 0.99479861 2.60972765 B-3 0.00000000 2.60973348 994.79861407 0.99479861 2.60973348 B-4 0.00000000 2.60973333 994.79861333 0.99479861 2.60973333 B-5 0.00000000 2.60973369 994.79861518 0.99479862 2.60973369 B-6 0.00000000 2.60973393 994.79861165 0.99479861 2.60973393 (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.

~~Date~~Interest Distribution Statement Beginning Payment of ~~Report: December~~Original Current Certificate/ Current Unpaid Current Face Certificate Notional Accrued Interest Interest Class Amount Rate Balance Interest Shortfall Shortfall 1-A-1 50,000,000.00 4.50000% 49,796,018.23 186,735.07 0.00 0.00 2-A-1 67,729,000.00 5.00000% 67,448,430.30 281,035.13 0.00 0.00 2-A-2 10,000,000.00 5.00000% 9,948,587.01 41,452.45 0.00 0.00 2-A-3 2,411,000.00 5.00000% 2,411,000.00 10,045.83 0.00 0.00 3-A-1 75,500,000.00 5.50000% 72,282,156.75 331,293.22 0.00 0.00 4-A-1 37,000,000.00 5.25000% 36,599,760.01 160,123.95 0.00 0.00 4-A-2 3,700,000.00 8.00000% 3,659,976.00 ~~2004 (date~~24,399.84 of0.00 ~~earliest~~0.00 ~~event~~4-A-3 ~~reported) MORTGAGE~~3,955,000.00 ~~ASSET~~5.50000% ~~SECURITIZATION~~3,955,000.00 ~~TRANSACTIONS~~18,127.08 ~~INC~~0.00 ~~(as~~0.00 ~~depositor~~4-A-4 ~~under~~5,100,000.00 ~~the~~5.50000% ~~Pooling~~5,100,000.00 ~~and~~23,375.00 ~~Servicing~~0.00 ~~Agreement~~0.00 5-A-1 11,322,000.00 ~~relating~~2.58000% to11,197,221.46 ~~the~~24,074.03 ~~MASTR~~0.00 ~~Asset~~0.00 ~~Securitization~~5-A-2 ~~Trust~~0.00 ~~2004~~5.42000% 11,197,221.46 50,574.12 0.00 0.00 5-10A-3 ~~Mortgage~~33,966,000.00 ~~Pass~~5.00000% 33,591,664.38 139,965.27 0.00 0.00 5-~~Through~~A-4 ~~Certificates~~6,153,000.00 ~~Series~~5.75000% ~~2004~~6,153,000.00 29,483.13 0.00 0.00 5-~~10)~~ A-5 2,869,000.00 5.75000% 2,869,000.00 13,747.29 0.00 0.00 5-A-6 6,200,000.00 5.75000% 6,200,000.00 29,708.33 0.00 0.00 6-A-1 47,086,000.00 6.00000% 45,857,039.63 229,285.20 0.00 0.00 15-PO 2,079,880.53 0.00000% 2,056,655.52 0.00 0.00 0.00 30-PO 783,616.81 0.00000% 773,796.23 0.00 0.00 0.00 15-AX 0.00 5.00000% 4,197,464.01 17,489.43 0.00 0.00 30-AX 0.00 5.75000% 3,795,024.07 18,184.49 0.00 0.00 A-LR 50.00 4.50000% 0.00 0.00 0.00 0.00 A-UR 50.00 4.50000% 0.00 0.00 0.00 0.00 B-1 4,878,000.00 5.33058% 4,865,357.89 21,612.66 0.00 0.00 B-2 1,689,000.00 5.33058% 1,684,622.69 7,483.35 0.00 0.00 B-3 938,000.00 5.33058% 935,569.02 4,155.94 0.00 0.00 B-4 750,000.00 5.33058% 748,056.26 3,322.98 0.00 0.00 B-5 751,000.00 5.33058% 749,053.66 3,327.41 0.00 0.00 B-6 375,563.19 5.33058% 374,589.86 1,663.99 0.00 0.00 Totals 375,236,160.53 1,670,665.19 0.00 0.00

MORTGAGE ASSET SECURITIZATION TRANSACTIONS, INC.
(Exact name of registrant as specified in its charter)
Delaware	333-106982	06-1204982
(State or Other Jurisdiction of Incorporation)	(Commission File Number)	(I.R.S. Employer Identification No.)
1285 Avenue of the Americas New York, New York 10019
(Address of Principal Executive Offices) (Zip Code)
Registrant’s telephone number, including area code (212) 713-2000

~~Check~~Interest ~~the~~Distribution ~~appropriate~~Factors ~~box~~Statement ~~below~~Beginning ifPayment ~~the~~of ~~Form~~Original Current Certificate/ Current Unpaid Current Face Certificate Notional Accrued Interest Interest Class (5) Amount Rate Balance Interest Shortfall Shortfall 1-A-1 50,000,000.00 4.50000% 995.92036460 3.73470140 0.00000000 0.00000000 2-A-1 67,729,000.00 5.00000% 995.85746578 4.14940616 0.00000000 0.00000000 2-A-2 10,000,000.00 5.00000% 994.85870100 4.14524500 0.00000000 0.00000000 2-A-3 2,411,000.00 5.00000% 1000.00000000 4.16666528 0.00000000 0.00000000 3-A-1 75,500,000.00 5.50000% 957.37955960 4.38798967 0.00000000 0.00000000 4-A-1 37,000,000.00 5.25000% 989.18270297 4.32767432 0.00000000 0.00000000 4-A-2 3,700,000.00 8.00000% 989.18270270 6.59455135 0.00000000 0.00000000 4-KA-3 ~~filing~~3,955,000.00 is5.50000% ~~intended~~1000.00000000 to4.58333249 ~~simultaneously~~0.00000000 ~~satisfy~~0.00000000 ~~the~~4-A-4 ~~filing~~5,100,000.00 ~~obligation~~5.50000% of1000.00000000 ~~the~~4.58333333 ~~registrant~~0.00000000 ~~under~~0.00000000 ~~any~~5-A-1 of11,322,000.00 ~~the~~2.58000% ~~following~~988.97910793 ~~provisions:~~2.12630542 0.00000000 0.00000000 5-A-2 0.00 5.42000% 988.97910793 4.46688924 0.00000000 0.00000000 5-A-3 33,966,000.00 5.00000% 988.97910793 4.12074633 0.00000000 0.00000000 5-A-4 6,153,000.00 5.75000% 1000.00000000 4.79166748 0.00000000 0.00000000 5-A-5 2,869,000.00 5.75000% 1000.00000000 4.79166609 0.00000000 0.00000000 5-A-6 6,200,000.00 5.75000% 1000.00000000 4.79166613 0.00000000 0.00000000 6-A-1 47,086,000.00 6.00000% 973.89966508 4.86949836 0.00000000 0.00000000 15-PO 2,079,880.53 0.00000% 988.83348843 0.00000000 0.00000000 0.00000000 30-PO 783,616.81 0.00000% 987.46762464 0.00000000 0.00000000 0.00000000 15-AX 0.00 5.00000% 967.22719732 4.03011254 0.00000000 0.00000000 30-AX 0.00 5.75000% 982.11552066 4.70597012 0.00000000 0.00000000 A-LR 50.00 4.50000% 0.00000000 0.00000000 0.00000000 0.00000000 A-UR 50.00 4.50000% 0.00000000 0.00000000 0.00000000 0.00000000 B-1 4,878,000.00 5.33058% 997.40834153 4.43063961 0.00000000 0.00000000 B-2 1,689,000.00 5.33058% 997.40834221 4.43063943 0.00000000 0.00000000 B-3 938,000.00 5.33058% 997.40833689 4.43063966 0.00000000 0.00000000 B-4 750,000.00 5.33058% 997.40834667 4.43064000 0.00000000 0.00000000 B-5 751,000.00 5.33058% 997.40833555 4.43063915 0.00000000 0.00000000 B-6 375,563.19 5.33058% 997.40834558 4.43065254 0.00000000 0.00000000 (5) All Classes are per $1,000 denomination

~~Written~~Interest ~~communications~~Distribution ~~pursuant~~Factors toStatement ~~Rule~~(continued) ~~425~~Remaining ~~under~~Ending ~~the~~Non-Supported ~~Securities~~Total ~~Act~~Unpaid Certificate/ Interest Realized Interest Interest Notional Class Shortfall Losses (176) ~~CFR~~Distribution ~~230~~Shortfall Balance 1-A-1 0.~~425)~~00061320 ~~Soliciting~~0.00000000 ~~material~~3.73408800 ~~pursuant~~0.00000000 to972.32725000 ~~Rule~~2-A-1 ~~14a~~0.00068139 0.00000000 4.14872477 0.00000000 951.98678661 2-12A-2 ~~under~~0.00068100 ~~the~~0.00000000 ~~Exchange~~4.14456400 ~~Act~~0.00000000 ~~(17~~940.41080100 ~~CFR~~2-A-3 ~~240~~0.~~14a~~00068436 0.00000000 4.16598092 0.00000000 1000.00000000 3-~~12)~~A-1 ~~Pre~~0.00072053 0.00000000 4.38726914 0.00000000 917.19679550 4-~~commencement~~A-1 ~~communications~~0.00071054 ~~pursuant~~0.00000000 to4.32696378 ~~Rule~~0.00000000 ~~14d~~951.23923757 4-A-2~~(d)~~ ~~under~~0.00108378 ~~the~~0.00000000 ~~Exchange~~6.59346757 ~~Act~~0.00000000 ~~(17~~951.23923784 ~~CFR~~4-A-3 ~~240~~0.~~14d~~00075348 0.00000000 4.58258154 0.00000000 1000.00000000 4-A-4 0.00075294 0.00000000 4.58258039 0.00000000 1000.00000000 5-A-1 0.00034888 0.00000000 2~~(b))~~.12595566 ~~Pre~~0.00000000 987.06877142 5-~~commencement~~A-2 ~~communications~~0.00073309 ~~pursuant~~0.00000000 to4.46615527 ~~Rule~~0.00000000 ~~13e~~987.06877142 5-A-3 0.00067656 0.00000000 4~~(c)~~.12006948 ~~under~~0.00000000 ~~the~~987.06877112 ~~Exchange~~5-A-4 ~~Act~~0.00078661 ~~(17~~0.00000000 ~~CFR~~4.79087925 ~~240~~0.~~13e~~00000000 1000.00000000 5-A-5 0.00078773 0.00000000 4.79087835 0.00000000 1000.00000000 5-A-6 0.00078710 0.00000000 4.79087903 0.00000000 1000.00000000 6-A-1 0.00079960 0.00000000 4.86869876 0.00000000 952.01115937 15-PO 0.00000000 0.00000000 0.00000000 0.00000000 951.23221813 30-PO 0.00000000 0.00000000 0.00000000 0.00000000 947.70177276 15-AX 0.00066134 0.00000000 4.02945121 0.00000000 928.69837681 30-AX 0.00077378 0.00000000 4.70519633 0.00000000 968.52829093 A-LR 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 A-UR 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 B-1 0.00072776 0.00000000 4.42991185 0.00000000 994.79861214 B-2 0.00072824 0.00000000 4.42991119 0.00000000 994.79860864 B-3 0.00072495 0.00000000 4.42991471 0.00000000 994.79861407 B-4 0.00073333 0.00000000 4.42990667 0.00000000 994.79861333 B-5 0.00073236 0.00000000 4.42990679 0.00000000 994.79861518 B-6 0.00071892 0.00000000 4.42990699 0.00000000 994.79861165 (c6)) Amount Does Not Include Excess Special Hazard, Bankruptcy,or Fraud Losses Unless Otherwise Disclosed. Please Refer to the Prospectus Supplement for a Full Description.

~~Item~~Certificateholder 8Component Statement Component Beginning Ending Beginning Ending Ending Pass-Through Notional Notional Component Component Component Class Rate Balance Balance Balance Balance Percentage 15-PO-1 0.00000% 0.00 0.00 469,879.46 467,900.43 99.16025393% 15-PO-2 0.00000% 0.00 0.00 1,035,594.15 997,474.20 95.91673670% 15-PO-3 0.00000% 0.00 0.00 551,181.91 513,074.74 90.31732957% 30-PO-4 0.00000% 0.00 0.00 756,686.82 725,562.33 94.66089529% 30-PO-5 0.00000% 0.00 0.00 17,109.41 17,072.71 99.65973965% 15-AX-1 5.00000% 1,117,447.60 1,112,852.39 0.00 0.00 99.18601863% 15-AX-2 5.00000% 1,542,261.53 1,495,116.32 0.00 0.00 96.56939406% 15-AX-3 5.00000% 1,537,754.87 1,422,292.25 0.00 0.00 85.19410510% 30-AX-4 5.75000% 251,644.54 251,374.94 0.00 0.00 99.78648169% 30-AX-5 5.75000% 1,297,788.14 1,295,970.01 0. ~~Other~~00 ~~Events~~0.00 99.20747697% 30-AX-6 5.75000% 2,245,591.40 2,195,176.27 0.00 0.00 95.19839426%

~~Master~~CERTIFICATEHOLDER ~~Asset~~ACCOUNT ~~Securitization~~STATEMENT ~~Transactions,~~CERTIFICATE ~~Inc.~~ACCOUNT ~~(the~~Beginning ~~“Company”)~~Balance ~~entered~~0.00 ~~into~~Deposits aPayments ~~Pooling and Servicing Agreement dated as~~ of ~~October~~Interest 1,and ~~2004~~Principal ~~(the “Agreement”) among the Company~~12,188,822.07 ~~in its capacity as depositor (in such capacity~~Liquidations, ~~the~~Insurance ~~“Depositor”)~~Proceeds, ~~UBS~~Reserve ~~Real~~Funds ~~Estate Securities Inc~~0.,00 asProceeds ~~transferor~~from ~~(in~~Repurchased ~~such~~Loans ~~capacity, the “Transferor”), Wells Fargo Bank, N~~0.~~A.,~~00 asOther ~~master~~Amounts ~~servicer~~ (inServicer ~~such~~Advances) ~~capacity~~83,971.19 ~~the~~Realized ~~“Master~~Loss ~~Servicer”), as trust administrator~~ (~~in such capacity~~Gains, ~~the~~Subsequent ~~“Trust~~Expenses ~~Administrator”~~& Recoveries) ~~and~~0.00 asPrepayment aPenalties ~~custodian~~0.00 ~~(in~~Total ~~such~~Deposits ~~capacity~~12, ~~a “Custodian”)~~272, U793.S.26 ~~Bank~~Withdrawals ~~National~~Reimbursement ~~Association,~~for asServicer ~~trustee~~Advances ~~(in~~0.00 ~~such~~Payment ~~capacity,~~of ~~the~~Service ~~“Trustee”)~~Fee ~~and~~77,844.55 asPayment aof ~~custodian~~Interest ~~(in~~and ~~such~~Principal ~~capacity~~12, ~~a “Custodian”)~~194,948. ~~The~~71 ~~Certificates~~Total ~~were~~Withdrawals ~~issued~~(Pool onDistribution ~~October~~Amount) 2812, ~~2004~~272,793. ~~The~~26 ~~Pooling~~Ending ~~and~~Balance ~~Servicing Agreement is annexed hereto as Exhibit 99~~0.1.00

~~Item~~PREPAYMENT/CURTAILMENT 9INTEREST SHORTFALL Total Prepayment/Curtailment Interest Shortfall 274.0134 Servicing Fee Support 0. ~~Financial~~00 ~~Statements~~Non-Supported ~~and~~Prepayment/Curtailment ~~Exhibits~~Interest Shortfall 274.34

~~(a)~~SERVICING FEES Gross Servicing Fee 76,928.47 Master Servicing Fee 294.56 WMMSC Master Servicing Fee 621.52 Supported Prepayment/Curtailment Interest Shortfall 0.00 Net Servicing Fee 77,844.55

~~Not~~LOAN ~~applicable~~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 11,412,406.41 0.00 0.00 0.00 11,412,406.41 60 Days 1 0 0 0 1 597,870.10 0.00 0.00 0.00 597,870.10 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 24 0 0 0 24 12,010,276.51 0.00 0.00 0.00 12,010,276.51 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 3.198887% 0.000000% 0.000000% 0.000000% 3.198887% 3.174392% 0.000000% 0.000000% 0.000000% 3.174392% 60 Days 0.139082% 0.000000% 0.000000% 0.000000% 0.139082% 0.166299% 0.000000% 0.000000% 0.000000% 0.166299% 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 3.337969% 0.000000% 0.000000% 0.000000% 3.337969% 3.340692% 0.000000% 0.000000% 0.000000% 3.340692%

~~(b)~~Delinquency Status By Groups DELINQUENT BANKRUPTCY FORECLOSURE REO Total 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 5 0 0 0 5 2,321,779.06 0.00 0.00 0.00 2,321,779.06 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 5 0 0 0 5 2,321,779.06 0.00 0.00 0.00 2,321,779.06 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 5.494505% 0.000000% 0.000000% 0.000000% 5.494505% 4.570714% 0.000000% 0.000000% 0.000000% 4.570714% 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 5.494505% 0.000000% 0.000000% 0.000000% 5.494505% 4.570714% 0.000000% 0.000000% 0.000000% 4.570714% DELINQUENT BANKRUPTCY FORECLOSURE REO Total 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 2 0 0 0 2 1,115,666.17 0.00 0.00 0.00 1,115,666.17 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 1,115,666.17 0.00 0.00 0.00 1,115,666.17 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 1.273885% 0.000000% 0.000000% 0.000000% 1.273885% 1.401243% 0.000000% 0.000000% 0.000000% 1.401243% 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 1.273885% 0.000000% 0.000000% 0.000000% 1.273885% 1.401243% 0.000000% 0.000000% 0.000000% 1.401243% DELINQUENT BANKRUPTCY FORECLOSURE REO Total 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 6 0 0 0 6 2,670,342.32 0.00 0.00 0.00 2,670,342.32 60 Days 1 0 0 0 1 597,870.10 0.00 0.00 0.00 597,870.10 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 7 0 0 0 7 3,268,212.42 0.00 0.00 0.00 3,268,212.42 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 4.166667% 0.000000% 0.000000% 0.000000% 4.166667% 3.723617% 0.000000% 0.000000% 0.000000% 3.723617% 60 Days 0.694444% 0.000000% 0.000000% 0.000000% 0.694444% 0.833691% 0.000000% 0.000000% 0.000000% 0.833691% 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 4.861111% 0.000000% 0.000000% 0.000000% 4.861111% 4.557307% 0.000000% 0.000000% 0.000000% 4.557307% DELINQUENT BANKRUPTCY FORECLOSURE REO Total 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 9 0 0 0 9 4,839,439.77 0.00 0.00 0.00 4,839,439.77 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 9 0 0 0 9 4,839,439.77 0.00 0.00 0.00 4,839,439.77 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 8.653846% 0.000000% 0.000000% 0.000000% 8.653846% 9.717580% 0.000000% 0.000000% 0.000000% 9.717580% 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 8.653846% 0.000000% 0.000000% 0.000000% 8.653846% 9.717580% 0.000000% 0.000000% 0.000000% 9.717580% DELINQUENT BANKRUPTCY FORECLOSURE REO Total 5 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 6 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 1 0 0 0 1 465,179.09 0.00 0.00 0.00 465,179.09 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 1 0 0 0 1 465,179.09 0.00 0.00 0.00 465,179.09 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 1.030928% 0.000000% 0.000000% 0.000000% 1.030928% 1.009003% 0.000000% 0.000000% 0.000000% 1.009003% 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 1.030928% 0.000000% 0.000000% 0.000000% 1.030928% 1.009003% 0.000000% 0.000000% 0.000000% 1.009003%

~~Not~~OTHER ~~applicable~~INFORMATION Current Period Class A Insufficient Funds 0.00 Principal Balance of Contaminated Properties 0.00 Periodic Advance 83,971.19

~~(c)~~CREDIT ENHANCEMENT Original $ Original % Current $ Current % Bankruptcy 100,000.00 0.02664988% 100,000.00 0.02787596% Fraud 3,752,361.00 0.99999984% 3,752,361.00 1.04600678% Special Hazard 3,752,361.00 0.99999984% 3,752,361.00 1.04600678% Limit of Subordinate's Exposure to Certain Types of Losses

~~Exhibits:~~COLLATERAL STATEMENT Collateral Description Fixed 15 & 30 Year Weighted Average Gross Coupon 5.682260% Weighted Average Pass-Through Rate 5.429283% Weighted Average Maturity(Stepdown Calculation ) 252 Beginning Scheduled Collateral Loan Count 737 Number Of Loans Paid In Full 18 Ending Scheduled Collateral Loan Count 719 Beginning Scheduled Collateral Balance 369,256,554.89 Ending Scheduled Collateral Balance 358,731,996.99 Ending Actual Collateral Balance at 30-Nov-2004 359,514,675.93 Monthly P &I Constant 2,706,386.18 Special Servicing Fee 0.00 Prepayment Penalties 0.00 Realized Loss Amount 0.00 Cumulative Realized Loss 0.00 Class A Non-PO Optimal Amount 11,910,438.76 Class AP Deferred Amount 0.00 Scheduled Principal 957,876.44 Unscheduled Principal 9,566,681.46

99Group Level Collateral Statement Group 1 2 3 Collateral Description Fixed 15 Year Fixed 15 Year Fixed 15 Year Weighted Average Coupon Rate 4.818580 5.281345 5.813258 Weighted Average Net Rate 4.568580 5.031345 5.563257 Weighted Average Maturity 173 174 175 Beginning Loan Count 92 163 150 Loans Paid In Full 1 6 6 Ending Loan Count 91 157 144 Beginning Scheduled Balance 51,807,625.20 82,919,412.26 74,576,132.21 Ending scheduled Balance 50,619,858.87 79,357,555.92 71,497,910.30 Record Date 11/30/2004 11/30/2004 11/30/2004 Principal And Interest Constant 414,125.29 682,235.94 631,585.00 Scheduled Principal 206,092.63 317,297.56 270,309.77 Unscheduled Principal 981,673.70 3,244,558.78 2,807,912.14 Scheduled Interest 208,032.66 364,938.38 361,275.23 Servicing Fees 10,793.26 17,274.88 15,536.71 Master Servicing Fees 66.82 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 54.81 50.20 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 197,172.58 347,608.69 345,688.32 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 4.567032 5.030552 5.562450

~~The~~Group ~~Pooling~~Level ~~and~~Collateral ~~Servicing~~Statement ~~Agreement~~Group ~~dated~~4 as5 of6 ~~October~~Collateral 1Description Fixed 30 Year Fixed 30 Year Fixed 30 Year Weighted Average Coupon Rate 5.704129 6.124752 6.528861 Weighted Average Net Rate 5.454129 5.874752 6.278861 Weighted Average Maturity 353 355 356 Beginning Loan Count 107 126 99 Loans Paid In Full 3 0 2 Ending Loan Count 104 126 97 Beginning Scheduled Balance 51,332,061.39 61,523,179.38 47,098,144.45 Ending scheduled Balance 49,755,221.82 61,435,128.17 46,066,321.91 Record Date 11/30/2004 11/30/2004 11/30/2004 Principal And Interest Constant 301,699.91 by375,699.62 ~~and~~301,040.42 ~~among~~Scheduled ~~the~~Principal ~~Company~~57,696.01 ~~the~~61,687.75 ~~Transferor~~44,792.72 ~~the~~Unscheduled ~~Master~~Principal ~~Servicer~~1,519,143.56 ~~the~~26,363.46 ~~Trust~~987,029.82 ~~Administrator~~Scheduled Interest 244,003.90 ~~the~~314,011.87 ~~Custodians~~256,247.70 ~~and~~Servicing ~~the~~Fees 10,694.18 12,817.33 9,812.11 Master Servicing Fees 22.15 120.00 85.59 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 277.98 139.38 99.15 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 233,009.59 300,935.16 246,250.85 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 5.447112 5.869693 6.274154

~~SIGNATURES~~Group Level Collateral Statement Group Total Collateral Description Fixed 15 & 30 Year Weighted Average Coupon Rate 5.682260 Weighted Average Net Rate 5.432260 Weighted Average Maturity 252.00 Record Date 11/30/2004 Principal And Interest Constant 2,706,386.18 Beginning Loan Count 737 Loans Paid In Full 18 Ending Loan Count 719 Beginning Scheduled Balance 369,256,554.89 Ending Scheduled Balance 358,731,996.99 Scheduled Principal 957,876.44 Unscheduled Principal 9,566,681.46 Scheduled Interest 1,748,509.74 Servicing Fee 76,928.47 Master Servicing Fee 294.56 Trustee Fee 0.00 Fry Amount 0.00 Special Hazard Fee 0.00 Other Fee 621.52 Pool Insurance Fee 0.00 Spread 1 0.00 Spread 2 0.00 Spread 3 0.00 Net Interest 1,670,665.19 Realized Loss Amount 0.00 Cumulative Realized Loss 0.00 Percentage of Cumulative Losses 0.0000 Prepayment Penalties 0.00 Special Servicing Fee 0.00 Pass-Through Rate 5.429283

~~Pursuant~~Miscellaneous toReporting ~~the~~Group ~~requirements~~1 ofSenior ~~the~~% ~~Securities~~96.996893% ~~Exchange~~Senior ~~Act~~Prepayment of% ~~1934,~~100.000000% ~~the~~Junior ~~registrant~~% ~~has~~3.003107% ~~duly~~Group ~~caused~~2 ~~this~~Senior ~~report~~% to97.464944% beSenior ~~signed~~Prepayment on% ~~its~~100.000000% ~~behalf~~Junior by% ~~the~~2.535056% ~~undersigned,~~Group ~~thereunto~~3 ~~duly~~Senior ~~authorized~~% 97.645667% Senior Prepayment % 100.000000% Junior % 2.354333%

~~MORTGAGE~~Miscellaneous ~~ASSET~~Reporting ~~SECURITIZATION~~Group 4 Senior % 97.507406% Senior Prepayment % 100.000000% Junior % 2.492594% Group 5 Senior % 97.569046% Senior Prepayment % 100.000000% Junior % 2.430954% Group 6 Senior % 97.364854% Senior Prepayment % 100.000000% Junior % 2.635146%

Group

TRANSACTIONS, INC.

By: /s/Peter Ma

Name:

Peter Ma

Title:

Director

By: /s/ Chris Paternoster

Name:

Chris Paternoster

Title:

Director

Dated: December 8, 2004_____

Exhibit Index

Exhibit

Page

99.1

Pooling and Servicing Agreement dated as of October 1, 2004,

by and among the Company, the Transferor, the Master Servicer, the Trust Administrator, the Custodians and the Trustee.

MCKEE NELSON LLP

5 Times Square, 35th Floor

New York, New York 10036

Telephone: (917) 777-4200

Facsimile: (917) 777-4299

December 8, 2004

BY MODEM

Securities and Exchange Commission

Judiciary Plaza

450 Fifth Street, N.W.

Washington, D.C. 20549

Re:

Mortgage Asset Securitization Transactions, Inc.

MASTR Asset Securitization Trust 2004-10, Mortgage

Pass-Through Certificates, Series 2004-10

Ladies and Gentlemen:

On behalf of Mortgage Asset Securitization Transactions, Inc. (the “Company”), we enclose herewith for filing, pursuant to the Securities and Exchange Act of 1934, as amended, the Company’s Current Report on Form 8-K, for filing of the Pooling and Servicing Agreement in connection with the above-referenced transaction.

Very truly yours,

/s/ Hays Ellisen

Hays Ellisen

Enclosure

Filing Compare · MASTR Asset Securitization Trust 2004-10