8-K 1 arm05004_10506.txt 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): June 27, 2005 ADJUSTABLE RATE MORTGAGE TRUST Adj. Rate Mortgage Pass-Through Certs., Series 2005-4 Trust (Exact name of registrant as specified in its charter) New York (governing law of 333-120966-13 Pooling and Servicing Agreement) (Commission 54-2173092 (State or other File Number) 54-2173093 jurisdiction 54-2173094 of Incorporation) 54-2173095 IRS EIN 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 June 27, 2005 a distribution was made to holders of ADJUSTABLE RATE MORTGAGE TRUST, Adj. Rate Mortgage Pass-Through Certs., Series 2005-4 Trust. ITEM 9.01 Financial Statements and Exhibits (c) Exhibits Exhibit Number Description EX-99.1 Monthly report distributed to holders of Adj. Rate Mortgage Pass-Through Certs., Series 2005-4 Trust, relating to the June 27, 2005 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. ADJUSTABLE RATE MORTGAGE TRUST Adj. Rate Mortgage Pass-Through Certs., Series 2005-4 Trust (Registrant) By: Wells Fargo Bank, N.A. as Trust Administrator By: /s/ Beth Belfield as Officer By: Beth Belfield as Officer Date: 6/28/2005 INDEX TO EXHIBITS Exhibit Number Description EX-99.1 Monthly report distributed to holders of Adj. Rate Mortgage Pass-Through Certs., Series 2005-4 Trust, relating to the June 27, 2005 distribution. EX-99.1

Credit Suisse First Boston Mortgage Securities Corp. Adj. Rate Mortgage Pass-Through Certs. Record Date: 45/2931/052005 Distribution Date: 56/2527/052005 Credit Suisse First Boston Mortgage Securities Corp. Adj. Rate Mortgage Pass-Through Certs. Series 2005-4 Contact: Customer Service - CTSLink Wells Fargo Bank, N.A. Securities Administration Services 7485 New Horizon Way Frederick, MD 21703 www.ctslink.com 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 007036KB1 SEN 4.~~69694~~69880% 5857,~~140~~513,~~000~~619.0076 ~~227~~225,~~566~~204.9136 ~~626,380.24~~ AR 007036KY1 SEN 4.~~69694~~69785% 500.00 0.~~20 50.~~00 AR-L 007036KZ8 SEN 4.~~69694~~69785% 500.00 0.~~20 50.~~00 2-A-1 007036KC9 SEN 5.~~08032~~07678% 110,~~725~~075,~~000~~781.0078 ~~468~~465,~~764~~691.9683 ~~649,218.22~~ 3-A-1 007036KD7 SEN 5.~~03267~~03014% 69,~~960~~699,~~000~~514.0086 ~~293~~292,~~404~~165.4118 ~~260,485.14~~ 4-A-1 007036KE5 SEN 5.~~33075~~33071% 116,~~750~~595,~~000~~784.0032 ~~518~~517,~~637~~948.7829 ~~154,215.68~~ 5-A-1 007036KF2 SEN 4.~~79625~~79855% 6968,~~095~~729,~~000~~016.0079 ~~276~~274,~~164~~833.3616 ~~365,983.21~~ 6-A-1 007036KG0 SEN 5.~~34554~~34409% 7069,~~035~~296,~~000~~644.0055 ~~311~~308,~~979~~606.1555 ~~738,355.45~~ 6-A-2-1 007036KH8 SEN 5.~~34554~~34409% 6362,~~030~~365,~~000~~495.0091 ~~280~~277,~~774~~739.5528 ~~664,504.09~~ 6-A-2-2 007036KJ4 SEN 5.~~34554~~34409% 76,~~005~~931,~~000~~148.0064 3130,~~204~~867.6026 ~~73,851.36~~ C-B-1 007036KV7 SUB 5.~~11774~~11683% 9,~~570~~567,~~000~~642.0015 40,~~813~~796.9571 ~~2,357.85~~ C-B-2 007036KW5 SUB 5.~~11774~~11683% 11,~~665~~662,~~000~~125.0099 49,~~748~~727.6765 ~~2,874.01~~ C-B-3 007036KX3 SUB 5.~~11774~~11683% 3,~~290~~289,~~000~~189.0041 14,~~031~~025.1320 ~~810.59~~ C-B-4 007036LA2 SUB 5.~~11774~~11683% 1,~~795~~794,~~000~~557.0075 7,~~655~~652.2805 ~~442.25~~ C-B-5 007036LB0 SUB 5.~~11774~~11683% 2,~~695~~694,~~000~~336.0001 11,~~493~~488.5873 ~~663.99~~ C-B-6 007036LC8 SUB 5.~~11774~~11683% 2,~~690~~689,~~000~~337.0024 11,~~472~~467.2641 ~~662.76~~ C-B-7 007036LF1 SUB 5.~~11774~~11683% 1,801,~~590~~146.0013 7,~~683~~680.3914 ~~443.87~~ 7-A-1-1 007036KK1 SEN 3.~~28440~~31000% 7371,~~200~~357,~~000~~495.0043 ~~173~~216,~~635~~510.2853 ~~1,842,504.57~~ 7-A-1-2 007036KL9 SEN 3.~~35440~~38000% 1817,~~300~~839,~~000~~373.0086 4455,~~333~~272.9933 ~~460,626.14~~ 7-A-2 007036KM7 SEN 3.~~29440~~32000% ~~190~~186,~~000~~861,~~000~~607.0024 ~~452~~568,~~064~~682.8816 ~~3,138,392.76~~ 7-A-3-1 007036KN5 SEN 3.~~26440~~29000% 7170,~~520~~198,~~000~~571.0047 ~~168~~211,~~617~~707.1419 ~~1,321,428.53~~ 7-A-3-2 007036KP0 SEN 3.~~37440~~40000% 8,480,000.00 2026,~~666~~429.33 ~~0.00~~ 7-A-4 007036KQ8 SEN 3.~~34440~~37000% 3029,~~000~~504,~~000~~464.0030 7291,~~462~~144.0021 ~~495,535.70~~ 7-M-1 007036KR6 MEZ 3.~~51440~~54000% 17,990,000.00 4558,~~661~~377.8255 ~~0.00~~ 7-M-2 007036KS4 MEZ 3.~~79440~~82000% 9,850,000.00 2634,~~992~~491.9442 ~~0.00~~ 7-M-3 007036KT2 MEZ 4.~~31440~~34000% 5,140,000.00 1620,~~016~~448.0163 ~~0.00~~ 7-M-4 007036KU9 MEZ 5.~~16440~~19000% 3,640,000.00 1314,~~576~~851.6301 ~~0.00~~ 7-X 007036LD6 SEN 0.00000% ~~735~~719,454.3803 0.00 ~~0.00~~ P 007036LE4 SEN 0.00000% 0.00 1633,~~529~~390.6785 ~~0.00~~ Totals 1,~~026~~016,~~367~~286,~~425~~307.3862 3,~~601~~867,~~952~~199.~~07 10,799,836.41~~01

Certificateholder Distribution Summary (continued) Current Ending Cumulative Principal Realized Certificate Total Realized Class Distribution Loss Balance Distribution Losses 1-A-1 836,886.42 0.00 5756,~~513~~676,~~619~~733.7634 ~~853~~1,~~947~~062,090.1578 0.00 AR 0.00 0.00 500.2000 0.00 0.00 AR-L 0.00 0.00 500.2000 0.00 0.00 2-A-1 439,390.71 0.00 ~~110~~109,~~075~~636,~~781~~391.7807 1905,~~117,983~~082.1854 0.00 3-A-1 533,914.21 0.00 69,~~699~~165,~~514~~600.8666 ~~553~~826,~~889~~079.5539 0.00 4-A-1 1,440,710.87 0.00 ~~116~~115,~~595~~155,~~784~~073.3246 ~~672~~1,~~853~~958,659.4616 0.00 5-A-1 225,773.25 0.00 68,~~729~~503,~~016~~243.7954 ~~642~~500,~~147~~606.5741 0.00 6-A-1 618,064.85 0.00 6968,~~296~~678,~~644~~579.5569 1926,~~050,334~~671.6040 0.00 6-A-2-1 556,245.13 0.00 6261,~~365~~809,~~495~~250.9178 ~~945~~833,~~278~~984.6441 0.00 6-A-2-2 61,819.72 0.00 6,~~931~~869,~~148~~328.6492 ~~105~~92,~~055~~686.9698 0.00 C-B-1 2,373.17 0.00 9,~~567~~565,~~642~~268.1598 43,~~171~~169.8088 0.00 C-B-2 2,892.69 0.00 11,~~662~~659,~~125~~233.9930 52,~~622~~620.6834 0.00 C-B-3 815.85 0.00 3,~~289~~288,~~189~~373.4156 14,841.7205 0.00 C-B-4 445.12 0.00 1,794,~~557~~112.7562 8,097.5317 0.00 C-B-5 668.31 0.00 2,~~694~~693,~~336~~667.0170 12,157.5704 0.00 C-B-6 667.07 0.00 2,~~689~~688,~~337~~670.2417 12,~~135~~134.0248 0.00 C-B-7 446.76 0.00 1,~~801~~800,~~146~~699.1337 8,~~127~~126.2690 0.00 7-A-1-1 1,232,148.17 0.00 7170,~~357~~125,~~495~~347.4326 21,~~016~~448,~~139~~658.8570 0.00 7-A-1-2 308,037.04 0.00 17,~~839~~531,~~373~~336.8682 ~~504~~363,~~960~~309.1337 0.00 7-A-2 3,388,342.82 0.00 ~~186~~183,~~861~~473,~~607~~264.2442 3,~~590~~957,~~457~~024.6498 0.00 7-A-3-1 1,426,670.66 0.00 7068,~~198~~771,~~571~~900.4781 1,~~490~~638,~~045~~377.6785 0.00 7-A-3-2 0.00 0.00 8,480,000.00 2026,~~666~~429.33 0.00 7-A-4 535,001.50 0.00 2928,~~504~~969,~~464~~462.3080 ~~567~~626,~~997~~145.7071 0.00 7-M-1 0.00 0.00 17,990,000.00 4558,~~661~~377.8255 0.00 7-M-2 0.00 0.00 9,850,000.00 2634,~~992~~491.9442 0.00 7-M-3 0.00 0.00 5,140,000.00 1620,~~016~~448.0163 0.00 7-M-4 0.00 0.00 3,640,000.00 1314,~~576~~851.6301 0.00 7-X 0.00 ~~719~~0.00 1,~~454~~140,076.0393 0.00 0.00 P 0.00 0.00 160.00 33,~~529~~390.6785 0.00 Totals 11,611,314.32 0.00 1,~~016~~005,~~286~~095,~~307~~616.6220 1415,~~401~~478,~~788~~513.4833 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 58,140,000.00 5857,~~140~~513,~~000~~619.0076 12,~~727~~123.7058 ~~613~~824,~~652~~762.5484 0.00 0.00 AR 50.00 500.00 10.0200 480.9800 0.00 0.00 AR-L 50.00 500.00 10.0200 480.9800 0.00 0.00 2-A-1 110,725,000.00 110,~~725~~075,~~000~~781.0078 2122,~~964~~056.2180 ~~627~~417,~~254~~333.0191 0.00 0.00 3-A-1 69,960,000.00 69,~~960~~699,~~000~~514.0086 24,~~759~~870.9757 ~~235~~509,~~725~~043.1764 0.00 0.00 4-A-1 116,750,000.00 116,~~750~~595,~~000~~784.0032 20,~~124~~218.3951 ~~134~~1,~~091~~420,492.2936 0.00 0.00 5-A-1 69,095,000.00 6968,~~095~~729,~~000~~016.0079 18,~~071~~338.4693 ~~347~~207,~~911~~434.7532 0.00 0.00 6-A-1 70,035,000.00 7069,~~035~~296,~~000~~644.0055 20,~~739~~769.0704 ~~717~~597,~~616~~295.3881 0.00 0.00 6-A-2-1 63,030,000.00 6362,~~030~~365,~~000~~495.0091 18,~~664~~691.7270 ~~645~~537,~~839~~553.3844 0.00 0.00 6-A-2-2 7,005,000.00 76,~~005~~931,~~000~~148.0064 2,~~074~~077.35 7159,~~777~~742.0137 0.00 0.00 C-B-1 9,570,000.00 9,~~570~~567,~~000~~642.0015 2,~~357~~373.8517 0.00 0.00 0.00 C-B-2 11,665,000.00 11,~~665~~662,~~000~~125.0099 2,~~874~~892.0169 0.00 0.00 0.00 C-B-3 3,290,000.00 3,~~290~~289,~~000~~189.0041 ~~810~~815.5985 0.00 0.00 0.00 C-B-4 1,795,000.00 1,~~795~~794,~~000~~557.0075 ~~442~~445.2512 0.00 0.00 0.00 C-B-5 2,695,000.00 2,~~695~~694,~~000~~336.0001 ~~663~~668.9931 0.00 0.00 0.00 C-B-6 2,690,000.00 2,~~690~~689,~~000~~337.0024 ~~662~~667.7607 0.00 0.00 0.00 C-B-7 1,801,590.00 1,801,~~590~~146.0013 ~~443~~446.8776 0.00 0.00 0.00 7-A-1-1 73,200,000.00 7371,~~200~~357,~~000~~495.0043 0.00 1,~~842~~232,~~504~~148.5717 0.00 0.00 7-A-1-2 18,300,000.00 1817,~~300~~839,~~000~~373.0086 0.00 ~~460~~308,~~626~~037.1404 0.00 0.00 7-A-2 190,000,000.00 ~~190~~186,~~000~~861,~~000~~607.0024 0.00 3,~~138~~388,~~392~~342.7682 0.00 0.00 7-A-3-1 71,520,000.00 7170,~~520~~198,~~000~~571.0047 0.00 1,~~321~~426,~~428~~670.5366 0.00 0.00 7-A-3-2 8,480,000.00 8,480,000.00 0.00 0.00 0.00 0.00 7-A-4 30,000,000.00 3029,~~000~~504,~~000~~464.0030 0.00 ~~495,~~535,001.7050 0.00 0.00 7-M-1 17,990,000.00 17,990,000.00 0.00 0.00 0.00 0.00 7-M-2 9,850,000.00 9,850,000.00 0.00 0.00 0.00 0.00 7-M-3 5,140,000.00 5,140,000.00 0.00 0.00 0.00 0.00 7-M-4 3,640,000.00 3,640,000.00 0.00 0.00 0.00 0.00 7-X 735.38 ~~735~~719,454.3803 0.00 0.00 0.00 0.00 P 0.00 0.00 0.00 0.00 0.00 0.00 Totals 1,026,367,425.38 1,~~026~~016,~~367~~286,~~425~~307.3862 147,~~383~~455.2345 1011,~~652~~463,~~453~~858.1988 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 ~~626~~836,~~380~~886.2442 5756,~~513~~676,~~619~~733.7634 0.~~98922635~~97483201 ~~626~~836,~~380~~886.2442 AR 500.00 0.00 0.00000000 500.00 AR-L 500.00 0.00 0.00000000 500.00 2-A-1 ~~649~~439,~~218~~390.2271 ~~110~~109,~~075~~636,~~781~~391.7807 0.~~99413666~~99016835 ~~649~~439,~~218~~390.2271 3-A-1 ~~260~~533,~~485~~914.1421 69,~~699~~165,~~514~~600.8666 0.~~99627666~~98864495 ~~260~~533,~~485~~914.1421 4-A-1 ~~154~~1,~~215~~440,710.6887 ~~116~~115,~~595~~155,~~784~~073.3246 0.~~99867909~~98633896 ~~154~~1,~~215~~440,710.6887 5-A-1 ~~365~~225,~~983~~773.2125 68,~~729~~503,~~016~~243.7954 0.~~99470319~~99143561 ~~365~~225,~~983~~773.2125 6-A-1 ~~738~~618,~~355~~064.4585 6968,~~296~~678,~~644~~579.5569 0.~~98945734~~98063225 ~~738~~618,~~355~~064.4585 6-A-2-1 ~~664~~556,~~504~~245.0913 6261,~~365~~809,~~495~~250.9178 0.~~98945734~~98063225 ~~664~~556,~~504~~245.0913 6-A-2-2 7361,~~851~~819.3672 6,~~931~~869,~~148~~328.6492 0.~~98945734~~98063225 7361,~~851~~819.3672 C-B-1 2,~~357~~373.8517 9,~~567~~565,~~642~~268.1598 0.~~99975362~~99950564 2,~~357~~373.8517 C-B-2 2,~~874~~892.0169 11,~~662~~659,~~125~~233.9930 0.~~99975362~~99950564 2,~~874~~892.0169 C-B-3 ~~810~~815.5985 3,~~289~~288,~~189~~373.4156 0.~~99975362~~99950564 ~~810~~815.5985 C-B-4 ~~442~~445.2512 1,794,~~557~~112.7562 0.~~99975362~~99950564 ~~442~~445.2512 C-B-5 ~~663~~668.9931 2,~~694~~693,~~336~~667.0170 0.~~99975362~~99950564 ~~663~~668.9931 C-B-6 ~~662~~667.7607 2,~~689~~688,~~337~~670.2417 0.~~99975362~~99950564 ~~662~~667.7607 C-B-7 ~~443~~446.8776 1,~~801~~800,~~146~~699.1337 0.~~99975362~~99950564 ~~443~~446.8776 7-A-1-1 1,~~842~~232,~~504~~148.5717 7170,~~357~~125,~~495~~347.4326 0.~~97482917~~95799655 1,~~842~~232,~~504~~148.5717 7-A-1-2 ~~460~~308,~~626~~037.1404 17,~~839~~531,~~373~~336.8682 0.~~97482917~~95799655 ~~460~~308,~~626~~037.1404 7-A-2 3,~~138~~388,~~392~~342.7682 ~~186~~183,~~861~~473,~~607~~264.2442 0.~~98348214~~96564876 3,~~138~~388,~~392~~342.7682 7-A-3-1 1,~~321~~426,~~428~~670.5366 7068,~~198~~771,~~571~~900.4781 0.~~98152365~~96157579 1,~~321~~426,~~428~~670.5366 7-A-3-2 0.00 8,480,000.00 1.00000000 0.00 7-A-4 ~~495,~~535,001.7050 2928,~~504~~969,~~464~~462.3080 0.~~98348214~~96564876 ~~495,~~535,001.7050 7-M-1 0.00 17,990,000.00 1.00000000 0.00 7-M-2 0.00 9,850,000.00 1.00000000 0.00 7-M-3 0.00 5,140,000.00 1.00000000 0.00 7-M-4 0.00 3,640,000.00 1.00000000 0.00 7-X 0.00 ~~719~~1,~~454~~140,076.0393 ~~978~~1,550.~~34321031~~32354701 0.00 P 0.00 0.00 0.00000000 0.00 Totals 1011,~~799~~611,~~836~~314.4132 1,~~016~~005,~~286~~095,~~307~~616.6220 0.~~99017787~~97927466 1011,~~799~~611,~~836~~314.4132

Principal Distribution Factors Statement Original Beginning Scheduled Unscheduled Face Certificate Principal Principal Class (2) Amount Balance Distribution Distribution Accretion 1-A-1 58,140,000.00 ~~1000~~989.~~00000000~~22634606 0.~~21891469~~20852391 1014.~~55473925~~18580736 0.00000000 AR 50.00 ~~1000~~0.00000000 200.~~40000000~~00000000 ~~979~~0.~~60000000~~00000000 0.00000000 AR-L 50.00 ~~1000~~0.00000000 200.~~40000000~~00000000 ~~979~~0.~~60000000~~00000000 0.00000000 2-A-1 110,725,000.00 ~~1000~~994.~~00000000~~13666092 0.~~19836722~~19920343 53.~~66497187~~76910282 0.00000000 3-A-1 69,960,000.00 ~~1000~~996.~~00000000~~27665609 0.~~35391609~~35549700 37.~~36942782~~27620983 0.00000000 4-A-1 116,750,000.00 ~~1000~~998.~~00000000~~67909482 0.~~17237165~~17317782 112.~~14853353~~16695812 0.00000000 5-A-1 69,095,000.00 ~~1000~~994.~~00000000~~70318822 0.~~26154512~~26541617 53.~~03526666~~00216108 0.00000000 6-A-1 70,035,000.00 ~~1000~~989.~~00000000~~45733633 0.~~29612437~~29655230 108.~~24653930~~52853302 0.00000000 6-A-2-1 63,030,000.00 ~~1000~~989.~~00000000~~45733635 0.~~29612439~~29655244 108.~~24653943~~52853308 0.00000000 6-A-2-2 7,005,000.00 ~~1000~~989.~~00000000~~45733619 0.~~29612420~~29655246 108.~~24653961~~52853248 0.00000000 C-B-1 9,570,000.00 ~~1000~~999.~~00000000~~75362069 0.~~24637931~~24798015 0.00000000 0.00000000 C-B-2 11,665,000.00 ~~1000~~999.~~00000000~~75362109 0.~~24637891~~24798028 0.00000000 0.00000000 C-B-3 3,290,000.00 ~~1000~~999.~~00000000~~75362006 0.~~24637994~~24797872 0.00000000 0.00000000 C-B-4 1,795,000.00 ~~1000~~999.~~00000000~~75362117 0.~~24637883~~24797772 0.00000000 0.00000000 C-B-5 2,695,000.00 ~~1000~~999.~~00000000~~75362152 0.~~24637848~~24798145 0.00000000 0.00000000 C-B-6 2,690,000.00 ~~1000~~999.~~00000000~~75362082 0.~~24637918~~24798141 0.00000000 0.00000000 C-B-7 1,801,590.00 ~~1000~~999.~~00000000~~75362319 0.~~24637681~~24798095 0.00000000 0.00000000 7-A-1-1 73,200,000.00 ~~1000~~974.~~00000000~~82917254 0.00000000 2516.~~17082746~~83262527 0.00000000 7-A-1-2 18,300,000.00 ~~1000~~974.~~00000000~~82917268 0.00000000 2516.~~17082732~~83262514 0.00000000 7-A-2 190,000,000.00 ~~1000~~983.~~00000000~~48214337 0.00000000 1617.~~51785663~~83338326 0.00000000 7-A-3-1 71,520,000.00 ~~1000~~981.~~00000000~~52365031 0.00000000 1819.~~47634969~~94785598 0.00000000 7-A-3-2 8,480,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 7-A-4 30,000,000.00 ~~1000~~983.~~00000000~~48214333 0.00000000 1617.~~51785667~~83338333 0.00000000 7-M-1 17,990,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 7-M-2 9,850,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 7-M-3 5,140,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 7-M-4 3,640,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 7-X 735.38 ~~1000~~978343.~~00000000~~21031303 0.00000000 0.00000000 0.00000000 P 0.00 0.00000000 0.00000000 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 1-A-1 0.00000000 1014.~~77365394~~39433127 ~~989~~974.~~22634606~~83201479 0.~~98922635~~97483201 1014.~~77365394~~39433127 AR 0.00000000 ~~1,000~~0.00000000 0.00000000 0.00000000 ~~1,000~~0.00000000 AR-L 0.00000000 ~~1,000~~0.00000000 0.00000000 0.00000000 ~~1,000~~0.00000000 2-A-1 0.00000000 53.~~86333908~~96830625 ~~994~~990.~~13666092~~16835466 0.~~99413666~~99016835 53.~~86333908~~96830625 3-A-1 0.00000000 37.~~72334391~~63170683 ~~996~~988.~~27665609~~64494940 0.~~99627666~~98864495 37.~~72334391~~63170683 4-A-1 0.00000000 112.~~32090518~~34013593 ~~998~~986.~~67909482~~33895897 0.~~99867909~~98633896 112.~~32090518~~34013593 5-A-1 0.00000000 53.~~29681178~~26757725 ~~994~~991.~~70318822~~43561097 0.~~99470319~~99143561 53.~~29681178~~26757725 6-A-1 0.00000000 108.~~54266367~~82508531 ~~989~~980.~~45733633~~63225087 0.~~98945734~~98063225 108.~~54266367~~82508531 6-A-2-1 0.00000000 108.~~54266365~~82508536 ~~989~~980.~~45733635~~63225099 0.~~98945734~~98063225 108.~~54266365~~82508536 6-A-2-2 0.00000000 108.~~54266381~~82508494 ~~989~~980.~~45733619~~63225125 0.~~98945734~~98063225 108.~~54266381~~82508494 C-B-1 0.00000000 0.~~24637931~~24798015 999.~~75362069~~50564054 0.~~99975362~~99950564 0.~~24637931~~24798015 C-B-2 0.00000000 0.~~24637891~~24798028 999.~~75362109~~50564081 0.~~99975362~~99950564 0.~~24637891~~24798028 C-B-3 0.00000000 0.~~24637994~~24797872 999.~~75362006~~50564134 0.~~99975362~~99950564 0.~~24637994~~24797872 C-B-4 0.00000000 0.~~24637883~~24797772 999.~~75362117~~50563788 0.~~99975362~~99950564 0.~~24637883~~24797772 C-B-5 0.00000000 0.~~24637848~~24798145 999.~~75362152~~50564007 0.~~99975362~~99950564 0.~~24637848~~24798145 C-B-6 0.00000000 0.~~24637918~~24798141 999.~~75362082~~50563941 0.~~99975362~~99950564 0.~~24637918~~24798141 C-B-7 0.00000000 0.~~24637681~~24798095 999.~~75362319~~50564224 0.~~99975362~~99950564 0.~~24637681~~24798095 7-A-1-1 0.00000000 2516.~~17082746~~83262527 ~~974~~957.~~82917254~~99654727 0.~~97482917~~95799655 2516.~~17082746~~83262527 7-A-1-2 0.00000000 2516.~~17082732~~83262514 ~~974~~957.~~82917268~~99654754 0.~~97482917~~95799655 2516.~~17082732~~83262514 7-A-2 0.00000000 1617.~~51785663~~83338326 ~~983~~965.~~48214337~~64876011 0.~~98348214~~96564876 1617.~~51785663~~83338326 7-A-3-1 0.00000000 1819.~~47634969~~94785598 ~~981~~961.~~52365031~~57579432 0.~~98152365~~96157579 1819.~~47634969~~94785598 7-A-3-2 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 7-A-4 0.00000000 1617.~~51785667~~83338333 ~~983~~965.~~48214333~~64876000 0.~~98348214~~96564876 1617.~~51785667~~83338333 7-M-1 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 7-M-2 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 7-M-3 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 7-M-4 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 7-X 0.00000000 0.00000000 ~~978~~1,~~343~~550,323.~~21031303~~54700971 ~~978~~1550.~~34321031~~32354701 0.00000000 P 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 (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 58,140,000.00 4.~~69694~~69880% 5857,~~140~~513,~~000~~619.0076 ~~227~~225,~~566~~204.9037 0.00 0.00 AR 50.00 4.~~69694~~69785% 500.00 0.2000 0.00 0.00 AR-L 50.00 4.~~69694~~69785% 500.00 0.2000 0.00 0.00 2-A-1 110,725,000.00 5.~~08032~~07678% 110,~~725~~075,~~000~~781.0078 ~~468~~465,~~764~~691.9683 0.00 0.00 3-A-1 69,960,000.00 5.~~03267~~03014% 69,~~960~~699,~~000~~514.0086 ~~293~~292,~~404~~165.4017 0.00 0.00 4-A-1 116,750,000.00 5.~~33075~~33071% 116,~~750~~595,~~000~~784.0032 ~~518~~517,~~637~~948.7828 0.00 0.00 5-A-1 69,095,000.00 4.~~79625~~79855% 6968,~~095~~729,~~000~~016.0079 ~~276~~274,~~164~~833.3515 0.00 0.00 6-A-1 70,035,000.00 5.~~34554~~34409% 7069,~~035~~296,~~000~~644.0055 ~~311~~308,~~979~~606.1554 0.00 0.00 6-A-2-1 63,030,000.00 5.~~34554~~34409% 6362,~~030~~365,~~000~~495.0091 ~~280~~277,~~774~~739.5528 0.00 0.00 6-A-2-2 7,005,000.00 5.~~34554~~34409% 76,~~005~~931,~~000~~148.0064 3130,~~204~~867.6026 0.00 0.00 C-B-1 9,570,000.00 5.~~11774~~11683% 9,~~570~~567,~~000~~642.0015 40,~~813~~796.9571 0.00 0.00 C-B-2 11,665,000.00 5.~~11774~~11683% 11,~~665~~662,~~000~~125.0099 49,~~748~~727.6765 0.00 0.00 C-B-3 3,290,000.00 5.~~11774~~11683% 3,~~290~~289,~~000~~189.0041 14,~~031~~025.1320 0.00 0.00 C-B-4 1,795,000.00 5.~~11774~~11683% 1,~~795~~794,~~000~~557.0075 7,~~655~~652.2805 0.00 0.00 C-B-5 2,695,000.00 5.~~11774~~11683% 2,~~695~~694,~~000~~336.0001 11,~~493~~488.5873 0.00 0.00 C-B-6 2,690,000.00 5.~~11774~~11683% 2,~~690~~689,~~000~~337.0024 11,~~472~~467.2641 0.00 0.00 C-B-7 1,801,590.00 5.~~11774~~11683% 1,801,~~590~~146.0013 7,~~683~~680.3914 0.00 0.00 7-A-1-1 73,200,000.00 3.~~28440~~31000% 7371,~~200~~357,~~000~~495.0043 ~~173~~216,~~635~~510.2853 0.00 0.00 7-A-1-2 18,300,000.00 3.~~35440~~38000% 1817,~~300~~839,~~000~~373.0086 4455,~~333~~272.9933 0.00 0.00 7-A-2 190,000,000.00 3.~~29440~~32000% ~~190~~186,~~000~~861,~~000~~607.0024 ~~452~~568,~~064~~682.8916 0.00 0.00 7-A-3-1 71,520,000.00 3.~~26440~~29000% 7170,~~520~~198,~~000~~571.0047 ~~168~~211,~~617~~707.1419 0.00 0.00 7-A-3-2 8,480,000.00 3.~~37440~~40000% 8,480,000.00 2026,~~666~~429.33 0.00 0.00 7-A-4 30,000,000.00 3.~~34440~~37000% 3029,~~000~~504,~~000~~464.0030 7291,~~462~~144.0021 0.00 0.00 7-M-1 17,990,000.00 3.~~51440~~54000% 17,990,000.00 4558,~~661~~377.8255 0.00 0.00 7-M-2 9,850,000.00 3.~~79440~~82000% 9,850,000.00 2634,~~992~~491.9442 0.00 0.00 7-M-3 5,140,000.00 4.~~31440~~34000% 5,140,000.00 1620,~~016~~448.0163 0.00 0.00 7-M-4 3,640,000.00 5.~~16440~~19000% 3,640,000.00 1317,~~576~~317.6330 0.00 0.00 7-X 735.38 0.00000% ~~428~~421,~~120~~580,~~735~~966.3833 0.00 0.00 0.00 P 0.00 0.00000% 0.00 0.00 0.00 0.00 Totals 1,026,367,425.38 3,~~585~~836,~~422~~274.3842 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 ~~227~~225,~~566~~204.9136 0.00 5756,~~513~~676,~~619~~733.7634 AR 0.00 0.00 0.2000 0.00 0.00 AR-L 0.00 0.00 0.2000 0.00 0.00 2-A-1 0.00 0.00 ~~468~~465,~~764~~691.9683 0.00 ~~110~~109,~~075~~636,~~781~~391.7807 3-A-1 0.00 0.00 ~~293~~292,~~404~~165.4118 0.00 69,~~699~~165,~~514~~600.8666 4-A-1 0.00 0.00 ~~518~~517,~~637~~948.7829 0.00 ~~116~~115,~~595~~155,~~784~~073.3246 5-A-1 0.00 0.00 ~~276~~274,~~164~~833.3616 0.00 68,~~729~~503,~~016~~243.7954 6-A-1 0.00 0.00 ~~311~~308,~~979~~606.1555 0.00 6968,~~296~~678,~~644~~579.5569 6-A-2-1 0.00 0.00 ~~280~~277,~~774~~739.5528 0.00 6261,~~365~~809,~~495~~250.9178 6-A-2-2 0.00 0.00 3130,~~204~~867.6026 0.00 6,~~931~~869,~~148~~328.6492 C-B-1 0.00 0.00 40,~~813~~796.9571 0.00 9,~~567~~565,~~642~~268.1598 C-B-2 0.00 0.00 49,~~748~~727.6765 0.00 11,~~662~~659,~~125~~233.9930 C-B-3 0.00 0.00 14,~~031~~025.1320 0.00 3,~~289~~288,~~189~~373.4156 C-B-4 0.00 0.00 7,~~655~~652.2805 0.00 1,794,~~557~~112.7562 C-B-5 0.00 0.00 11,~~493~~488.5873 0.00 2,~~694~~693,~~336~~667.0170 C-B-6 0.00 0.00 11,~~472~~467.2641 0.00 2,~~689~~688,~~337~~670.2417 C-B-7 0.00 0.00 7,~~683~~680.3914 0.00 1,~~801~~800,~~146~~699.1337 7-A-1-1 0.00 0.00 ~~173~~216,~~635~~510.2853 0.00 7170,~~357~~125,~~495~~347.4326 7-A-1-2 0.00 0.00 4455,~~333~~272.9933 0.00 17,~~839~~531,~~373~~336.8682 7-A-2 0.00 0.00 ~~452~~568,~~064~~682.8816 0.00 ~~186~~183,~~861~~473,~~607~~264.2442 7-A-3-1 0.00 0.00 ~~168~~211,~~617~~707.1419 0.00 7068,~~198~~771,~~571~~900.4781 7-A-3-2 0.00 0.00 2026,~~666~~429.33 0.00 8,480,000.00 7-A-4 0.00 0.00 7291,~~462~~144.0021 0.00 2928,~~504~~969,~~464~~462.3080 7-M-1 0.00 0.00 4558,~~661~~377.8255 0.00 17,990,000.00 7-M-2 0.00 0.00 2634,~~992~~491.9442 0.00 9,850,000.00 7-M-3 0.00 0.00 1620,~~016~~448.0163 0.00 5,140,000.00 7-M-4 0.00 0.00 1314,~~576~~851.6301 0.00 3,640,000.00 7-X 0.00 0.00 0.00 0.00 ~~421~~415,~~580~~111,~~966~~389.3303 P 0.00 0.00 1633,~~529~~390.6785 0.00 0.00 Totals 0.00 0.00 3,~~601~~867,~~952~~199.0701 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 58,140,000.00 4.~~69694~~69880% ~~1000~~989.~~00000000~~22634606 3.~~91411937~~87348418 0.00000000 0.00000000 AR 50.00 4.~~69694~~69785% ~~1000~~0.00000000 40.00000000 0.00000000 0.00000000 AR-L 50.00 4.~~69694~~69785% ~~1000~~0.00000000 40.00000000 0.00000000 0.00000000 2-A-1 110,725,000.00 5.~~08032~~07678% ~~1000~~994.~~00000000~~13666092 4.~~23359639~~20584177 0.00000000 0.00000000 3-A-1 69,960,000.00 5.~~03267~~03014% ~~1000~~996.~~00000000~~27665609 4.~~19388794~~17617453 0.00000000 0.00000000 4-A-1 116,750,000.00 5.~~33075~~33071% ~~1000~~998.~~00000000~~67909482 4.~~44229362~~43638784 0.00000000 0.00000000 5-A-1 69,095,000.00 4.~~79625~~79855% ~~1000~~994.~~00000000~~70318822 3.~~99687893~~97761271 0.00000000 0.00000000 6-A-1 70,035,000.00 5.~~34554~~34409% ~~1000~~989.~~00000000~~45733633 4.~~45461769~~40646163 0.00000000 0.00000000 6-A-2-1 63,030,000.00 5.~~34554~~34409% ~~1000~~989.~~00000000~~45733635 4.~~45461764~~40646168 0.00000000 0.00000000 6-A-2-2 7,005,000.00 5.~~34554~~34409% ~~1000~~989.~~00000000~~45733619 4.~~45461813~~40646110 0.00000000 0.00000000 C-B-1 9,570,000.00 5.~~11774~~11683% ~~1000~~999.~~00000000~~75362069 4.~~26478056~~26297910 0.00000000 0.00000000 C-B-2 11,665,000.00 5.~~11774~~11683% ~~1000~~999.~~00000000~~75362109 4.~~26478097~~26297900 0.00000000 0.00000000 C-B-3 3,290,000.00 5.~~11774~~11683% ~~1000~~999.~~00000000~~75362006 4.~~26478116~~26297872 0.00000000 0.00000000 C-B-4 1,795,000.00 5.~~11774~~11683% ~~1000~~999.~~00000000~~75362117 4.~~26477994~~26298050 0.00000000 0.00000000 C-B-5 2,695,000.00 5.~~11774~~11683% ~~1000~~999.~~00000000~~75362152 4.~~26477922~~26297959 0.00000000 0.00000000 C-B-6 2,690,000.00 5.~~11774~~11683% ~~1000~~999.~~00000000~~75362082 4.~~26478067~~26297770 0.00000000 0.00000000 C-B-7 1,801,590.00 5.~~11774~~11683% ~~1000~~999.~~00000000~~75362319 4.~~26478278~~26297881 0.00000000 0.00000000 7-A-1-1 73,200,000.00 3.~~28440~~31000% ~~1000~~974.~~00000000~~82917254 2.~~37206667~~95779413 0.00000000 0.00000000 7-A-1-2 18,300,000.00 3.~~35440~~38000% ~~1000~~974.~~00000000~~82917268 23.~~42262240~~02034590 0.00000000 0.00000000 7-A-2 190,000,000.00 3.~~29440~~32000% ~~1000~~983.~~00000000~~48214337 2.~~37928889~~99306400 0.00000000 0.00000000 7-A-3-1 71,520,000.00 3.~~26440~~29000% ~~1000~~981.~~00000000~~52365031 2.~~35762220~~96011172 0.00000000 0.00000000 7-A-3-2 8,480,000.00 3.~~37440~~40000% 1000.00000000 23.~~43706722~~11666627 0.00000000 0.00000000 7-A-4 30,000,000.00 3.~~34440~~37000% ~~1000~~983.~~00000000~~48214333 23.~~41540000~~03814033 0.00000000 0.00000000 7-M-1 17,990,000.00 3.~~51440~~54000% 1000.00000000 23.~~53817788~~24500000 0.00000000 0.00000000 7-M-2 9,850,000.00 3.~~79440~~82000% 1000.00000000 23.~~74040000~~50166701 0.00000000 0.00000000 7-M-3 5,140,000.00 4.~~31440~~34000% 1000.00000000 3.~~11595525~~97833268 0.00000000 0.00000000 7-M-4 3,640,000.00 5.~~16440~~19000% 1000.00000000 34.~~72984341~~75750000 0.00000000 0.00000000 7-X 735.38 0.00000% ~~582176201~~573283154.~~93641400~~73632700 0.00000000 0.00000000 0.00000000 P 0.00 0.00000% 0.00000000 0.00000000 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 1-A-1 0.00000000 0.00000000 3.~~91411954~~87348400 0.00000000 ~~989~~974.~~22634606~~83201479 AR 0.00000000 0.00000000 40.00000000 0.00000000 0.00000000 AR-L 0.00000000 0.00000000 40.00000000 0.00000000 0.00000000 2-A-1 0.00000000 0.00000000 4.~~23359639~~20584177 0.00000000 ~~994~~990.~~13666092~~16835466 3-A-1 0.00000000 0.00000000 4.~~19388808~~17617467 0.00000000 ~~996~~988.~~27665609~~64494940 4-A-1 0.00000000 0.00000000 4.~~44229362~~43638792 0.00000000 ~~998~~986.~~67909482~~33895897 5-A-1 0.00000000 0.00000000 3.~~99687908~~97761285 0.00000000 ~~994~~991.~~70318822~~43561097 6-A-1 0.00000000 0.00000000 4.~~45461769~~40646177 0.00000000 ~~989~~980.~~45733633~~63225087 6-A-2-1 0.00000000 0.00000000 4.~~45461764~~40646168 0.00000000 ~~989~~980.~~45733635~~63225099 6-A-2-2 0.00000000 0.00000000 4.~~45461813~~40646110 0.00000000 ~~989~~980.~~45733619~~63225125 C-B-1 0.00000000 0.00000000 4.~~26478056~~26297910 0.00000000 999.~~75362069~~50564054 C-B-2 0.00000000 0.00000000 4.~~26478097~~26297900 0.00000000 999.~~75362109~~50564081 C-B-3 0.00000000 0.00000000 4.~~26478116~~26297872 0.00000000 999.~~75362006~~50564134 C-B-4 0.00000000 0.00000000 4.~~26477994~~26298050 0.00000000 999.~~75362117~~50563788 C-B-5 0.00000000 0.00000000 4.~~26477922~~26297959 0.00000000 999.~~75362152~~50564007 C-B-6 0.00000000 0.00000000 4.~~26478067~~26297770 0.00000000 999.~~75362082~~50563941 C-B-7 0.00000000 0.00000000 4.~~26478278~~26297881 0.00000000 999.~~75362319~~50564224 7-A-1-1 0.00000000 0.00000000 2.~~37206667~~95779413 0.00000000 ~~974~~957.~~82917254~~99654727 7-A-1-2 0.00000000 0.00000000 23.~~42262240~~02034590 0.00000000 ~~974~~957.~~82917268~~99654754 7-A-2 0.00000000 0.00000000 2.~~37928884~~99306400 0.00000000 ~~983~~965.~~48214337~~64876011 7-A-3-1 0.00000000 0.00000000 2.~~35762220~~96011172 0.00000000 ~~981~~961.~~52365031~~57579432 7-A-3-2 0.00000000 0.00000000 23.~~43706722~~11666627 0.00000000 1000.00000000 7-A-4 0.00000000 0.00000000 23.~~41540000~~03814033 0.00000000 ~~983~~965.~~48214333~~64876000 7-M-1 0.00000000 0.00000000 23.~~53817788~~24500000 0.00000000 1000.00000000 7-M-2 0.00000000 0.00000000 23.~~74040000~~50166701 0.00000000 1000.00000000 7-M-3 0.00000000 0.00000000 3.~~11595525~~97833268 0.00000000 1000.00000000 7-M-4 0.00000000 0.00000000 34.~~72984341~~07994780 0.00000000 1000.00000000 7-X 0.00000000 0.00000000 0.00000000 0.00000000 ~~573283154~~564485557.~~73632700~~16772300 P 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 (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 1415,~~625~~661,~~744~~976.2051 Liquidations, Insurance Proceeds, Reserve Funds 0.00 Proceeds from Repurchased Loans 0.00 Other Amounts (Servicer Advances) 125,~~889~~093.7376 Realized Loss (Gains, Subsequent Expenses & Recoveries) 0.00 Prepayment Penalties 1633,~~529~~390.6785 Total Deposits 1415,~~644~~720,~~163~~461.6012 Withdrawals Reimbursement for Servicer Advances 01,889.0073 Payment of Service Fee ~~242~~240,~~375~~058.1406 Payment of Interest and Principal 1415,~~401~~478,~~788~~513.4633 Total Withdrawals (Pool Distribution Amount) 1415,~~644~~720,~~163~~461.6012 Ending Balance 0.00

SERVICING FEES Gross Servicing Fee ~~241~~239,~~667~~350.5749 PMI Fee 707.57 Supported Prepayment/Curtailment Interest Shortfall 0.00 Net Servicing Fee ~~242~~240,~~375~~058.1406

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 312 0 0 0 312 ~~303~~3,~~464~~827,038.7437 0.00 0.00 0.00 ~~303~~3,~~464~~827,038.7437 60 Days 02 0 0 0 02 0686,000.00 0.00 0.00 0.00 0686,000.00 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 314 0 0 0 314 ~~303~~4,~~464~~513,038.7437 0.00 0.00 0.00 ~~303~~4,~~464~~513,038.7437 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.~~097847~~397088% 0.000000% 0.000000% 0.000000% 0.~~097847~~397088% 0.~~031972~~408008% 0.000000% 0.000000% 0.000000% 0.~~031972~~408008% 60 Days 0.~~000000~~066181% 0.000000% 0.000000% 0.000000% 0.~~000000~~066181% 0.~~000000~~073136% 0.000000% 0.000000% 0.000000% 0.~~000000~~073136% 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.~~097847~~463269% 0.000000% 0.000000% 0.000000% 0.~~097847~~463269% 0.~~031972~~481143% 0.000000% 0.000000% 0.000000% 0.~~031972~~481143%

Delinquency Status By Groups

~~Delinquency Status By Groups~~ DELINQUENT BANKRUPTCY FORECLOSURE REO Total Jumbo 3/1 Arms 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 01 0 0 0 01 0507,500.00 0.00 0.00 0.00 0507,500.00 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 01 0 0 0 01 0507,500.00 0.00 0.00 0.00 0507,500.00 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 0.~~000000~~925926% 0.000000% 0.000000% 0.000000% 0.~~000000~~925926% 0.~~000000~~843968% 0.000000% 0.000000% 0.000000% 0.~~000000~~843968% 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~~925926% 0.000000% 0.000000% 0.000000% 0.~~000000~~925926% 0.~~000000~~843968% 0.000000% 0.000000% 0.000000% 0.~~000000~~843968% DELINQUENT BANKRUPTCY FORECLOSURE REO Total Jumbo 5/1 Arms 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 01 0 0 0 01 0920,500.00 0.00 0.00 0.00 0920,500.00 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 01 0 0 0 01 0920,500.00 0.00 0.00 0.00 0920,500.00 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 0.~~000000~~497512% 0.000000% 0.000000% 0.000000% 0.~~000000~~497512% 0.~~000000~~792024% 0.000000% 0.000000% 0.000000% 0.~~000000~~792024% 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~~497512% 0.000000% 0.000000% 0.000000% 0.~~000000~~497512% 0.~~000000~~792024% 0.000000% 0.000000% 0.000000% 0.~~000000~~792024% DELINQUENT BANKRUPTCY FORECLOSURE REO Total 7/1 Arms 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 10/1 Arms 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 Conforming 3/1 Arm 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 01 0 0 0 01 0300,000.00 0.00 0.00 0.00 0300,000.00 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 01 0 0 0 01 0300,000.00 0.00 0.00 0.00 0300,000.00 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 0.~~000000~~298507% 0.000000% 0.000000% 0.000000% 0.~~000000~~298507% 0.~~000000~~413131% 0.000000% 0.000000% 0.000000% 0.~~000000~~413131% 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~~298507% 0.000000% 0.000000% 0.000000% 0.~~000000~~298507% 0.~~000000~~413131% 0.000000% 0.000000% 0.000000% 0.~~000000~~413131% DELINQUENT BANKRUPTCY FORECLOSURE REO Total Conforming 5/1 Arm 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 01 0 0 0 01 0139,793.0033 0.00 0.00 0.00 0139,793.0033 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 01 0 0 0 01 0139,793.0033 0.00 0.00 0.00 0139,793.0033 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 0.~~000000~~141844% 0.000000% 0.000000% 0.000000% 0.~~000000~~141844% 0.~~000000~~095947% 0.000000% 0.000000% 0.000000% 0.~~000000~~095947% 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~~141844% 0.000000% 0.000000% 0.000000% 0.~~000000~~141844% 0.~~000000~~095947% 0.000000% 0.000000% 0.000000% 0.~~000000~~095947% DELINQUENT BANKRUPTCY FORECLOSURE REO Total Cnf Mxd Hybrid Arm 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 13 0 0 0 13 92575,~~094~~600.5500 0.00 0.00 0.00 92575,~~094~~600.5500 60 Days 01 0 0 0 01 092,250.00 0.00 0.00 0.00 092,250.00 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 14 0 0 0 14 92667,~~094~~850.5500 0.00 0.00 0.00 92667,~~094~~850.5500 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 0.~~212766~~652174% 0.000000% 0.000000% 0.000000% 0.~~212766~~652174% 0.~~093954~~595983% 0.000000% 0.000000% 0.000000% 0.~~093954~~595983% 60 Days 0.~~000000~~217391% 0.000000% 0.000000% 0.000000% 0.~~000000~~217391% 0.~~000000~~095517% 0.000000% 0.000000% 0.000000% 0.~~000000~~095517% 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.~~212766~~869565% 0.000000% 0.000000% 0.000000% 0.~~212766~~869565% 0.~~093954~~691499% 0.000000% 0.000000% 0.000000% 0.~~093954~~691499% DELINQUENT BANKRUPTCY FORECLOSURE REO Total Mixed Hybrid Arms 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 25 0 0 0 25 ~~211~~1,~~370~~383,645.1904 0.00 0.00 0.00 ~~211~~1,~~370~~383,645.1904 60 Days 01 0 0 0 01 0593,750.00 0.00 0.00 0.00 0593,750.00 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 26 0 0 0 26 ~~211~~1,~~370~~977,395.1904 0.00 0.00 0.00 ~~211~~1,~~370~~977,395.1904 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 0.~~251889~~646831% 0.000000% 0.000000% 0.000000% 0.~~251889~~646831% 0.~~082465~~550584% 0.000000% 0.000000% 0.000000% 0.~~082465~~550584% 60 Days 0.~~000000~~129366% 0.000000% 0.000000% 0.000000% 0.~~000000~~129366% 0.~~000000~~236267% 0.000000% 0.000000% 0.000000% 0.~~000000~~236267% 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.~~251889~~776197% 0.000000% 0.000000% 0.000000% 0.~~251889~~776197% 0.~~082465~~786851% 0.000000% 0.000000% 0.000000% 0.~~082465~~786851%

OTHER INFORMATION Current Period Class A Insufficient Funds 0.00 Principal Balance of Contaminated Properties 0.00 Periodic Advance 125,~~889~~093.7376

CREDIT ENHANCEMENT Original $ Original % Current $ Current % Bankruptcy 194,461.00 0.01894653% 194,461.00 0.~~02049183~~02073636% Fraud 11,964,934.00 1.16575543% 11,964,934.00 1.~~26083558~~27588139% Special Hazard 5,982,467.00 0.58287771% 5,982,467.00 0.~~63041779~~63794069% Limit of Subordinate's Exposure to Certain Types of Losses

COLLATERAL STATEMENT Collateral Description Mixed Fixed & Arm Weighted Average Gross Coupon 5.~~688776~~683420% Weighted Average Net Coupon 5.~~406225~~380754% Weighted Average Pass-Through Rate 5.~~385507~~379859% Weighted Average Maturity(Stepdown Calculation ) ~~357~~356 Beginning Scheduled Collateral Loan Count 3,~~101~~066 Number Of Loans Paid In Full 3544 Ending Scheduled Collateral Loan Count 3,~~066~~022 Beginning Scheduled Collateral Balance 1948,~~026~~968,~~367,426~~617.3039 Ending Scheduled Collateral Balance ~~948~~937,~~968~~777,~~617~~925.3996 Ending Actual Collateral Balance at 2931-~~Apr~~May-2005 ~~949~~937,~~143~~982,~~445~~278.8979 Monthly P &I Constant 4,~~794~~740,~~522~~584.8967 Special Servicing Fee 0.00 Prepayment Penalties 1633,~~529~~390.6785 Realized Loss Amount 0.00 Cumulative Realized Loss 0.00 Scheduled Principal ~~248~~246,~~006~~095.7258 Unscheduled Principal 910,~~833~~944,~~111~~595.0485

Miscellaneous Reporting Excess Cash Amount ~~718~~420,~~718~~622.6590 ~~Extra Principal Distribution 718,718.65~~ Grp 7A Net Funds Cap 65.8136 Grp 7B Net Funds Cap 54.3217 Grp 7 Subordinate Net Funds Cap 54.6745 Overcollateralization Amount ~~719~~1,~~454~~140,076.0393 Overcollateralization Deficiency Amount 1,~~421~~000,~~149~~526.6575 Overcollateralization Increase Amount ~~718~~420,~~718~~622.6590 Overcollateralization Reduction Amount 0.00 Rolling Delinquency Percentage 0.~~000000~~000824% Target Overcollateralization 2,140,603.68 ~~Step Down Date Reach NO~~ Trigger Event -3 mo Delinq Rate > 5.25% NO Substitution Adjustment Amount 0.00

Group Level Collateral Statement Group Jumbo 3/1 Arms Jumbo 5/1 Arms 7/1 Arms Collateral Description Mixed ARM Mixed ARM Mixed ARM Weighted Average Coupon Rate 5.~~062085~~063847 5.~~436531~~433552 5.~~390952~~388369 Weighted Average Net Rate 4.~~696943~~698804 5.~~080316~~076777 5.~~032666~~030139 Weighted Average Maturity 355 356 ~~357~~356 ~~357~~ Beginning Loan Count ~~111~~110 202 ~~190~~189 Loans Paid In Full 2 1 0 1 Ending Loan Count ~~110~~108 ~~202~~201 ~~189~~188 Beginning Scheduled Balance 6160,~~589~~962,~~440~~204.0962 ~~117~~116,~~294~~643,~~392~~871.3902 7473,~~114~~852,~~436~~480.0256 Ending ~~scheduled~~Scheduled Balance 60,~~962~~124,~~204~~591.6226 116,~~643~~203,~~871~~164.0221 73,~~852~~317,~~480~~084.5647 Record Date 0405/2931/2005 0405/2931/2005 0405/2931/2005 Principal And Interest Constant ~~273~~270,~~294~~103.1127 ~~554~~551,~~662~~531.8373 ~~359~~357,~~186~~972.4181 Scheduled Principal 1312,~~484~~850.9652 23,~~267~~372.3690 26,~~230~~352.2945 Unscheduled Principal ~~613~~824,~~750~~762.5184 ~~627~~417,~~254~~333.0191 ~~235~~509,~~725~~043.1764 Scheduled Interest ~~259~~257,~~809~~252.1575 ~~531~~528,~~395~~158.4783 ~~332~~331,~~956~~620.1236 Servicing Fees 18,~~740~~544.7287 34,~~818~~679.3573 22,~~128~~046.4785 Master Servicing Fees 0.00 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 0.00 0.00 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 ~~241~~238,~~068~~707.4388 ~~496~~493,~~577~~479.1210 ~~310~~309,~~827~~573.6551 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.~~696943~~698804 5.~~080316~~076777 5.~~032666~~030138

Group Level Collateral Statement Group 10/1 Arms Conforming 3/1 Arm Conforming 5/1 Arm Collateral Description Mixed ARM Mixed ARM Mixed ARM Weighted Average Coupon Rate 5.~~592809~~592778 5.~~153630~~155841 5.~~688532~~687341 Weighted Average Net Rate 5.~~333125~~333083 4.~~796255~~798552 5.~~346833~~345400 Weighted Average Maturity ~~358~~ 357 356 355 Beginning Loan Count 254 ~~338~~336 ~~719~~711 Loans Paid In Full 0 2 81 6 Ending Loan Count ~~254~~252 ~~336~~335 ~~711~~705 Beginning Scheduled Balance 123,~~673~~517,~~142~~733.8986 7372,~~193~~826,~~276~~220.0495 ~~148~~146,~~382~~902,~~003~~831.4920 Ending scheduled Balance ~~123~~122,~~517~~075,~~733~~822.8668 72,~~826~~599,~~220~~354.9544 ~~146~~145,~~902~~664,~~831~~211.2002 Record Date 0405/2931/2005 0405/2931/2005 0405/2931/2005 Principal And Interest Constant 597,~~717~~091.9658 ~~333~~332,~~485~~332.9053 ~~747~~740,~~335~~267.9425 Scheduled Principal 21,~~317~~418.7482 19,~~143~~432.3419 4344,~~939~~028.5256 Unscheduled Principal ~~134~~1,~~091~~420,492.2936 ~~347~~207,~~911~~434.7532 1,~~435~~194,~~232~~591.7762 Scheduled Interest ~~576~~575,~~400~~672.2276 ~~314~~312,~~342~~900.5634 ~~703~~696,~~396~~238.4269 Servicing Fees 26,~~763~~730.2382 21,~~797~~683.8931 4241,~~251~~860.5905 Master Servicing Fees 0.00 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 244.58 0.00 159.73 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 ~~549~~548,~~392~~697.4136 ~~292~~291,~~544~~217.6703 ~~660~~654,~~985~~218.1091 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.~~330752~~330707 4.~~796255~~798552 5.~~345541~~344095

Group Level Collateral Statement Group Cnf Mxd Hybrid Arm Mixed Hybrid Arms Total Collateral Description Mixed ARM Mixed ARM Mixed Fixed & Arm Weighted Average Coupon Rate 6.~~153390~~146713 6.~~052511~~043772 5.~~688776~~683420 Weighted Average Net Rate 5.~~903390~~896713 5.~~802510~~793772 5.~~406225~~380754 Weighted Average Maturity ~~357~~356.00 ~~357~~356.00 ~~357~~356.00 Record Date 0405/2931/2005 0405/2931/2005 0405/2931/2005 Principal And Interest Constant ~~542~~530,~~915~~268.4980 1,~~385~~361,~~924~~016.2570 4,~~794~~740,~~522~~584.8967 Beginning Loan Count ~~477~~470 ~~809~~794 3,~~100~~066 Loans Paid In Full 710 1521 3444 Ending Loan Count ~~470~~460 ~~794~~773 3,~~066~~022 Beginning Scheduled Balance ~~100~~97,~~072~~997,~~621~~541.6662 ~~260~~256,~~730~~265,~~422~~733.5756 ~~959~~948,~~049~~968,~~735~~617.1539 Ending Scheduled Balance 9796,~~997~~551,~~541~~379.6239 ~~256~~251,~~265~~242,~~733~~318.5649 ~~948~~937,~~968~~777,~~617~~925.3996 Scheduled Principal 2928,~~760~~299.6281 70,~~862~~340.8933 ~~248~~246,~~006~~095.7258 Unscheduled Principal 21,~~045~~417,~~319~~862.42 4,~~393~~953,~~826~~074.1274 910,~~833~~944,~~111~~595.0485 Scheduled Interest ~~513~~501,~~154~~968.8799 1,~~315~~290,~~061~~676.3637 4,~~546~~494,~~516~~489.1709 Servicing Fee 20,~~848~~416.4716 5453,~~318~~388.8570 ~~241~~239,~~667~~350.5749 Master Servicing Fee 0.00 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 0.00 303.26 707.57 Pool Insurance Fee 0.00 0.00 0.00 Spread 1 0.00 0.00 0.00 Spread 2 0.00 0.00 0.00 Spread 3 0.00 0.00 0.00 Net Interest ~~492~~481,~~306~~552.4083 1,~~260~~236,~~439~~984.2541 4,~~304~~254,~~141~~431.03 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.~~903390~~896713 5.~~801115~~792352 5.~~385507~~379859

Group

Filing Compare · CSFB ADJUSTABLE RATE MORTGAGE TRUST 2005-4