8-K 1 arm04003_dec.txt DECEMBER 8K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington D. C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 27, 2004 ADJUSTABLE RATE MORTGAGE TRUST Adjustable Rate Mortgage-Backed P/T Cert, Series 2004-3 Trust (Exact name of registrant as specified in its charter) New York (governing law of 333-115435-06 54-2162561 Pooling and Servicing Agreement) (Commission 54-2162562 (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 ADJUSTABLE RATE MORTGAGE TRUST, Adjustable Rate Mortgage-Backed P/T Cert, Series 2004-3 Trust. ITEM 9.01 Financial Statements and Exhibits (c) Exhibits Exhibit Number Description EX-99.1 Monthly report distributed to holders of Adjustable Rate Mortgage-Backed P/T Cert, Series 2004-3 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. ADJUSTABLE RATE MORTGAGE TRUST Adjustable Rate Mortgage-Backed P/T Cert, Series 2004-3 Trust (Registrant) By: Wells Fargo Bank, N.A. as Trust Administrator By: /s/ Beth Belfield as Assistant Vice President By: Beth Belfield as Assistant Vice President Date: 12/30/2004 INDEX TO EXHIBITS Exhibit Number Description EX-99.1 Monthly report distributed to holders of Adjustable Rate Mortgage-Backed P/T Cert, Series 2004-3 Trust, relating to the December 27, 2004 distribution. EX-99.1

Credit Suisse First Boston Mortgage Securities Corp. ~~Mortgage~~Adjustable ~~Pass~~Rate Mortgage-~~Through~~Backed ~~Certificates~~P/T Cert Record Date: 1011/3130/042004 Distribution Date: 1112/2627/042004 ~~ARMT~~Credit Suisse First Boston Mortgage Securities Corp. Adjustable Rate Mortgage-Backed P/T Cert Series: 2004-3 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 1A1 007036CR5 SEN 2.~~31000~~54000% 52,~~330~~119,~~000~~486.0098 90110,~~661~~319.7258 ~~210~~966,~~513~~050.0231 AR 007036DA1 SEN 2.~~31000~~54000% 500.00 0.2503 500.00 ARL 007036DB9 SEN 2.~~31000~~54000% 500.00 0.0900 500.00 2A1 007036CT1 SEN 2.~~59000~~55000% ~~167~~165,~~310~~249,~~000~~153.0042 ~~324~~349,~~999~~592.6790 21,~~060~~936,~~846~~099.5831 CM 007036CW4 SUB 2.~~50000~~73000% 6,~~830~~829,~~000~~666.0057 1215,~~806~~537.2549 333.4352 CB1 007036CX2 SUB 2.~~60000~~83000% 4,~~760~~759,~~000~~767.0062 911,~~282~~225.0012 232.3844 CB2 007036CY0 SUB 3.~~25000~~48000% 4,~~270~~269,~~000~~791.0054 1012,~~408~~382.1340 208.4651 CB3 007036CZ7 SUB 3.~~70000~~93000% 3,~~050~~049,~~000~~851.0010 89,~~463~~988.7526 148.9094 CB4 007036DC7 SUB 3.~~67474~~70818% 1,~~830~~829,~~000~~910.0066 5,~~603~~654.9870 89.3436 CB5 007036DD5 SUB 3.~~67474~~70818% 2,~~080~~079,~~000~~898.0046 6,~~369~~427.5520 101.5457 CB6 007036DE3 SUB 3.~~67474~~70818% 1,586,~~989~~912.7326 4,~~859~~903.8280 77.4750 X 007036CV6 SEN 1.~~37777~~11820% 0.00 ~~273~~219,~~889~~192.4037 0.00 Totals ~~244~~241,~~047~~774,~~089~~438.7361 ~~747~~745,~~344~~223.6185 2,~~272~~903,~~651~~341.1246

Certificateholder Distribution Summary (continued) Current Ending Cumulative Realized Certificate Total Realized Class Loss Balance Distribution Losses 1A1 0.00 5251,~~119~~153,~~486~~436.9867 ~~301~~1,~~174~~076,369.7489 0.00 AR 0.00 0.00 500.2503 0.00 ARL 0.00 0.00 500.0900 0.00 2A1 0.00 ~~165~~163,~~249~~313,~~153~~054.4211 2,~~385~~285,~~846~~692.2521 0.00 CM 0.00 6,829,~~666~~333.5705 1315,~~139~~871.6801 0.00 CB1 0.00 4,759,~~767~~535.6218 911,~~514~~457.3856 0.00 CB2 0.00 4,269,~~791~~583.5403 1012,~~616~~590.5991 0.00 CB3 0.00 3,049,~~851~~702.1017 810,~~612~~137.6520 0.00 CB4 0.00 1,829,~~910~~821.6630 5,~~693~~744.3206 0.00 CB5 0.00 2,079,~~898~~796.4689 6,~~471~~528.0977 0.00 CB6 0.00 1,586,~~912~~834.2676 4,~~937~~981.2930 0.00 X 0.00 0.00 ~~273~~219,~~889~~192.4037 0.00 Totals 0.00 ~~241~~238,~~774~~871,~~438~~097.6116 3,~~019~~648,~~995~~565.7331 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) 1A1 52,330,000.00 52,~~330~~119,~~000~~486.0098 0.00 ~~210~~966,~~513~~050.0231 0.00 0.00 ~~52,330,000.00~~AR ~~52,330,000~~50.00 0.00 ~~210,513.02~~ 0.00 0.00 ~~AR 50.00 50.00~~ 0.00 ~~50.00~~ 0.00 ~~0.00~~ ARL 50.00 500.00 0.00 500.00 0.00 0.00 2A1 167,310,000.00 ~~167~~165,~~310~~249,~~000~~153.0042 10,~~720~~592.9039 21,~~050~~925,~~125~~506.6892 0.00 0.00 ~~167,310,000.00 167,310,000.00 10,720.90 2,050,125.68 0.00 0.00~~ CM 6,830,000.00 6,~~830~~829,~~000~~666.0057 333.4352 0.00 0.00 0.00 ~~6,830,000.00 6,830,000.00 333.43 0.00 0.00 0.00~~ CB1 4,760,000.00 4,~~760~~759,~~000~~767.0062 232.3844 0.00 0.00 0.00 CB2 4,270,000.00 4,~~270~~269,~~000~~791.0054 208.4651 0.00 0.00 0.00 CB3 3,050,000.00 3,~~050~~049,~~000~~851.0010 148.9094 0.00 0.00 0.00 CB4 1,830,000.00 1,~~830~~829,~~000~~910.0066 89.3436 0.00 0.00 0.00 CB5 2,080,000.00 2,~~080~~079,~~000~~898.0046 101.5457 0.00 0.00 0.00 CB6 1,586,989.73 1,586,~~989~~912.7326 77.4750 0.00 0.00 0.00 X 0.00 0.00 0.00 0.00 0.00 0.00 ~~0.00 0.00 0.00 0.00 0.00 0.00~~ Totals ~~470~~244,~~517~~047,089.73 ~~470~~241,~~517~~774,~~089~~438.7361 2211,~~966~~784.7523 42,~~521~~891,~~377~~557.4023 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 1A1 ~~210~~966,~~513~~050.0231 5251,~~119~~153,~~486~~436.9867 0.~~99597720~~97751647 ~~210~~966,~~513~~050.0231 ~~1A1~~AR ~~210,513.02 52,119,486.98~~ 0.~~99597720 210,513.02 AR 50.~~00 0.00 0.00000000 500.00 ARL 500.00 0.00 0.00000000 500.00 2A1 21,~~060~~936,~~846~~099.5831 ~~165~~163,~~249~~313,~~153~~054.4211 0.~~98768247~~97611054 21,~~060~~936,~~846~~099.5831 ~~2A1 2,060,846.58 165,249,153.42 0.98768247 2,060,846.58~~ CM 333.4352 6,829,~~666.57 0.99995118~~ 333.4305 ~~CM 333.43 6,829,666.57~~ 0.~~99995118~~99990235 333.4352 CB1 232.3844 4,759,~~767~~535.6218 0.~~99995118~~99990235 232.3844 CB2 208.4651 4,269,~~791~~583.5403 0.~~99995118~~99990235 208.4651 CB3 148.9094 3,049,~~851~~702.1017 0.~~99995118~~99990235 148.9094 CB4 89.3436 1,829,~~910~~821.6630 0.~~99995118~~99990235 89.3436 CB5 101.5457 2,079,~~898~~796.4689 0.~~99995118~~99990235 101.5457 CB6 77.4750 1,586,~~912~~834.2676 0.~~99995118~~99990235 77.4750 X 0.00 0.00 0.00000000 0.00 ~~X 0.00 0.00 0.00000000 0.00~~ Totals 42,~~544~~903,~~344~~341.1546 ~~465~~238,~~972~~871,~~745~~097.5816 0.~~99034181~~97879101 42,~~544~~903,~~344~~341.1546

Principal Distribution Factors Statement Original Beginning Scheduled Unscheduled Face Certificate Principal Principal Class (2) Amount Balance Distribution Distribution Accretion 1A1 52,330,000.00 ~~1000~~995.~~00000000~~97720199 0.00000000 418.~~02279801~~46073591 0.00000000 AR 50.00 ~~1000~~0.00000000 0.00000000 ~~1000~~0.00000000 0.00000000 ARL 50.00 ~~1000~~0.00000000 0.00000000 ~~1000~~0.00000000 0.00000000 2A1 167,310,000.00 ~~1000~~987.~~00000000~~68246620 0.~~06407806~~06330996 1211.~~25345574~~50861825 0.00000000 CM 6,830,000.00 ~~1000~~999.~~00000000~~95118155 0.~~04881845~~04883163 0.00000000 0.00000000 CB1 4,760,000.00 ~~1000~~999.~~00000000~~95118067 0.~~04881933~~04883193 0.00000000 0.00000000 CB2 4,270,000.00 ~~1000~~999.~~00000000~~95118033 0.~~04881967~~04883138 0.00000000 0.00000000 CB3 3,050,000.00 ~~1000~~999.~~00000000~~95118033 0.~~04881967~~04883279 0.00000000 0.00000000 CB4 1,830,000.00 ~~1000~~999.~~00000000~~95118033 0.~~04881967~~04883060 0.00000000 0.00000000 CB5 2,080,000.00 ~~1000~~999.~~00000000~~95118269 0.~~04881731~~04883173 0.00000000 0.00000000 CB6 1,586,989.73 ~~1000~~999.~~00000000~~95118431 0.~~04881569~~04883459 0.00000000 0.00000000 X 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 1A1 0.00000000 418.~~02279801~~46073591 ~~995~~977.~~97720199~~51646608 0.~~99597720~~97751647 418.~~02279801~~46073591 AR 0.00000000 ~~1,000~~0.00000000 0.00000000 0.00000000 ~~1,000~~0.00000000 ARL 0.00000000 ~~1,000~~0.00000000 0.00000000 0.00000000 ~~1,000~~0.00000000 2A1 0.00000000 1211.~~31753380~~57192822 ~~987~~976.~~68246620~~11053798 0.~~98768247~~97611054 1211.~~31753380~~57192822 CM 0.00000000 0.~~04881845~~04883163 999.~~95118155~~90234993 0.~~99995118~~99990235 0.~~04881845~~04883163 CB1 0.00000000 0.~~04881933~~04883193 999.~~95118067~~90234874 0.~~99995118~~99990235 0.~~04881933~~04883193 CB2 0.00000000 0.~~04881967~~04883138 999.~~95118033~~90234895 0.~~99995118~~99990235 0.~~04881967~~04883138 CB3 0.00000000 0.~~04881967~~04883279 999.~~95118033~~90235082 0.~~99995118~~99990235 0.~~04881967~~04883279 CB4 0.00000000 0.~~04881967~~04883060 999.~~95118033~~90234973 0.~~99995118~~99990235 0.~~04881967~~04883060 CB5 0.00000000 0.~~04881731~~04883173 999.~~95118269~~90235096 0.~~99995118~~99990235 0.~~04881731~~04883173 CB6 0.00000000 0.~~04881569~~04883459 999.~~95118431~~90234971 0.~~99995118~~99990235 0.~~04881569~~04883459 X 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 1A1 52,330,000.00 2.~~31000~~54000% 52,~~330~~119,~~000~~486.0098 90110,~~661~~319.7358 0.00 0.00 AR 50.00 2.~~31000~~54000% 500.00 0.0900 0.00 0.00 ARL 50.00 2.~~31000~~54000% 500.00 0.0900 0.00 0.00 2A1 167,310,000.00 2.~~59000~~55000% ~~167~~165,~~310~~249,~~000~~153.0042 ~~324~~351,~~999~~154.6745 0.00 0.00 CM 6,830,000.00 2.~~50000~~73000% 6,~~830~~829,~~000~~666.0057 1215,~~806~~537.2549 0.00 0.00 CB1 4,760,000.00 2.~~60000~~83000% 4,~~760~~759,~~000~~767.0062 911,~~282~~225.0012 0.00 0.00 CB2 4,270,000.00 3.~~25000~~48000% 4,~~270~~269,~~000~~791.0054 1012,~~408~~382.1340 0.00 0.00 CB3 3,050,000.00 3.~~70000~~93000% 3,~~050~~049,~~000~~851.0010 89,~~463~~988.7526 0.00 0.00 CB4 1,830,000.00 3.~~67474~~70818% 1,~~830~~829,~~000~~910.0066 5,~~603~~654.9870 0.00 0.00 CB5 2,080,000.00 3.~~67474~~70818% 2,~~080~~079,~~000~~898.0046 6,~~369~~427.5520 0.00 0.00 CB6 1,586,989.73 3.~~67474~~70818% 1,586,~~989~~912.7326 4,~~859~~903.8280 0.00 0.00 X 0.00 1.~~37777~~11820% ~~238~~236,~~550~~277,~~000~~717.0024 ~~273~~220,~~889~~172.4050 0.00 0.00 Totals 244,047,089.73 747,~~344~~765.4650 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 1A1 0.00 0.00 90110,~~661~~319.7258 0.00 5251,~~119~~153,~~486~~436.9867 AR 0.00 0.00 0.2503 0.00 0.00 ARL 0.00 0.00 0.0900 0.00 0.00 2A1 01,561.0056 0.00 ~~324~~349,~~999~~592.6790 0.00 ~~165~~163,~~249~~313,~~153~~054.4211 CM 0.00 0.00 1215,~~806~~537.2549 0.00 6,829,~~666~~333.5705 CB1 0.00 0.00 911,~~282~~225.0012 0.00 4,759,~~767~~535.6218 CB2 0.00 0.00 1012,~~408~~382.1340 0.00 4,269,~~791~~583.5403 CB3 0.00 0.00 89,~~463~~988.7526 0.00 3,049,~~851~~702.1017 CB4 0.00 0.00 5,~~603~~654.9870 0.00 1,829,~~910~~821.6630 CB5 0.00 0.00 6,~~369~~427.5520 0.00 2,079,~~898~~796.4689 CB6 0.00 0.00 4,~~859~~903.8280 0.00 1,586,~~912~~834.2676 X 0979.0008 0.00 ~~273~~219,~~889~~192.4037 0.00 ~~236~~233,~~277~~374,~~717~~644.2421 Totals 02,540.0064 0.00 ~~747~~745,~~344~~223.6185 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 1A1 52,330,000.00 2.~~31000~~54000% ~~1000~~995.~~00000000~~97720199 12.~~73250010~~10815173 0.00000000 0.00000000 AR 50.00 2.~~31000~~54000% ~~1000~~0.00000000 10.~~80000000~~00000000 0.00000000 0.00000000 ARL 50.00 2.~~31000~~54000% ~~1000~~0.00000000 10.~~80000000~~00000000 0.00000000 0.00000000 2A1 167,310,000.00 2.~~59000~~55000% ~~1000~~987.~~00000000~~68246620 12.~~94249997~~09882523 0.00000000 0.00000000 CM 6,830,000.00 2.~~50000~~73000% ~~1000~~999.~~00000000~~95118155 12.~~87500000~~27488873 0.00000000 0.00000000 CB1 4,760,000.00 2.~~60000~~83000% ~~1000~~999.~~00000000~~95118067 12.~~95000000~~35821849 0.00000000 0.00000000 CB2 4,270,000.00 3.~~25000~~48000% ~~1000~~999.~~00000000~~95118033 2.~~43750117~~89985948 0.00000000 0.00000000 CB3 3,050,000.00 3.~~70000~~93000% ~~1000~~999.~~00000000~~95118033 23.~~77500000~~27483934 0.00000000 0.00000000 CB4 1,830,000.00 3.~~67474~~70818% ~~1000~~999.~~00000000~~95118033 3.~~06228415~~09000000 0.00000000 0.00000000 CB5 2,080,000.00 3.~~67474~~70818% ~~1000~~999.~~00000000~~95118269 3.~~06228365~~09000000 0.00000000 0.00000000 CB6 1,586,989.73 3.~~67474~~70818% ~~1000~~999.~~00000000~~95118431 3.~~06228825~~09000109 0.00000000 0.00000000 X 0.00 1.~~37777~~11820% ~~1000~~990.~~00000000~~47460591 10.~~14814253~~92296164 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 1A1 0.00000000 0.00000000 12.~~73249990~~10815173 0.00000000 ~~995~~977.~~97720199~~51646608 AR 0.00000000 0.00000000 50.~~00000000~~60000000 0.00000000 0.00000000 ARL 0.00000000 0.00000000 10.~~80000000~~00000000 0.00000000 0.00000000 2A1 0.~~00000000~~00933333 0.00000000 12.~~94249997~~08949196 0.00000000 ~~987~~976.~~68246620~~11053798 CM 0.00000000 0.00000000 12.~~87500000~~27488873 0.00000000 999.~~95118155~~90234993 CB1 0.00000000 0.00000000 12.~~95000000~~35821849 0.00000000 999.~~95118067~~90234874 CB2 0.00000000 0.00000000 2.~~43750117~~89985948 0.00000000 999.~~95118033~~90234895 CB3 0.00000000 0.00000000 23.~~77500000~~27483934 0.00000000 999.~~95118033~~90235082 CB4 0.00000000 0.00000000 3.~~06228415~~09000000 0.00000000 999.~~95118033~~90234973 CB5 0.00000000 0.00000000 3.~~06228365~~09000000 0.00000000 999.~~95118269~~90235096 CB6 0.00000000 0.00000000 3.~~06228825~~09000109 0.00000000 999.~~95118431~~90234971 X 0.~~00000000~~00410430 0.00000000 10.~~14814253~~91885294 0.00000000 ~~990~~978.~~47460591~~30494324 (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 3,~~096~~724,~~260~~119.4479 Liquidations, Insurance Proceeds, Reserve Funds 0.00 Proceeds from Repurchased Loans 0.00 Other Amounts (Servicer Advances) 0.00 Realized Loss (Gains, Subsequent Expenses & Recoveries) 0.00 Prepayment Penalties 0.00 Total Deposits 3,~~096~~724,~~260~~119.4479 Withdrawals Reimbursement for Servicer Advances 0.00 Payment of Service Fee 7675,~~264~~554.7152 Payment of Interest and Principal 3,~~019~~648,~~995~~565.7327 Total Withdrawals (Pool Distribution Amount) 3,~~096~~724,~~260~~119.4479 Ending Balance 0.00

PREPAYMENT/CURTAILMENT INTEREST SHORTFALL Total Prepayment/Curtailment Interest Shortfall 0.00 Servicing Fee Support 0.00 Non-Supported Prepayment/Curtailment Interest Shortfall 02,540.0064

SERVICING FEES Gross Servicing Fee 7675,~~264~~554.7152 Supported Prepayment/Curtailment Interest Shortfall 0.00 Net Servicing Fee 7675,~~264~~554.7152

OTHER ACCOUNTS Beginning Current Current Ending Account Type Balance Withdrawals Deposits Balance Reserve Fund 5,000.00 0.00 0.00 5,000.00 Reserve Fund 5,000.00 0.00 0.00 5,000.00 Reserve Fund 5,000.00 0562.0071 0.00 54,~~000~~437.0029 Financial Guaranty 0.00 0.00 0.00 0.00

Delinquency Status By Groups DELINQUENT BANKRUPTCY FORECLOSURE REO Total ~~GROUP~~One ~~ONE~~ 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 ~~GROUP~~Two ~~TWO~~ 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%

CREDIT ENHANCEMENT Original $ Original % Current $ Current % Bankruptcy 216,853.00 0.08885703% 216,853.00 0.~~08969227~~09078243% Fraud 11,267,140.00 4.61678933% 11,267,140.00 4.~~66018644~~71682834% Special Hazard 5,633,570.00 2.30839467% 5,633,570.00 2.~~33009322~~35841417% Limit of Subordinate's Exposure to Certain Types of Losses

COLLATERAL STATEMENT Collateral Description Mixed ARM Weighted Average Gross Coupon 4.~~049755~~083593% Weighted Average Net Coupon 3.~~674755~~708593% Weighted Average Pass-Through Rate 3.~~674755~~708593% Weighted Average Maturity(Stepdown Calculation ) ~~359~~358 Beginning Scheduled Collateral Loan Count ~~886~~879 Number Of Loans Paid In Full 79 Ending Scheduled Collateral Loan Count ~~879~~870 Beginning Scheduled Collateral Balance ~~244~~241,~~047~~774,~~089~~446.7398 Ending Scheduled Collateral Balance ~~241~~238,~~774~~871,~~446~~105.9852 Ending Actual Collateral Balance at 3130-~~Oct~~Nov-2004 ~~241~~238,~~781~~878,~~948~~967.5147 Monthly P &I Constant ~~835~~834,~~521~~541.4633 Special Servicing Fee 0.00 Prepayment Penalties 0.00 Realized Loss Amount 0.00 Cumulative Realized Loss 0.00 Scheduled Principal 11,~~912~~784.4123 Unscheduled Principal 2,~~260~~891,~~738~~557.7023

Miscellaneous Reporting Number of Loans with PPP received 0~~.00~~ Rolling Delinquency Rate 0.000000% Cumulative Prepayment Penalties $0.00

Group Level Collateral Statement Group ~~GROUP~~One ~~ONE~~Two ~~GROUP TWO~~ Total Collateral Description Mixed ARM Mixed ARM Mixed ARM Weighted Average Coupon Rate 4.~~152045~~298371 4.~~017763~~015913 4.~~049755~~083593 Weighted Average Net Rate 3.~~777045~~923371 3.~~642763~~640913 3.~~674755~~708593 Weighted Average Maturity ~~358~~ 357 ~~359~~356 358 Beginning Loan Count 206 ~~680~~673 ~~886~~879 Loans Paid In Full 03 76 79 Ending Loan Count ~~206~~203 ~~673~~667 ~~879~~870 Beginning Scheduled Balance 5857,~~142~~931,~~379~~766.2321 ~~185~~183,~~904~~842,~~710~~680.5077 ~~244~~241,~~047~~774,~~089~~446.7398 Ending scheduled Balance 5756,~~931~~965,~~766~~715.2190 ~~183~~181,~~842~~905,~~680~~389.7762 ~~241~~238,~~774~~871,~~446~~105.9852 Record Date 1011/3130/2004 1011/3130/2004 1011/3130/2004 Principal And Interest Constant ~~201~~207,~~174~~510.8320 ~~634~~627,~~346~~031.6313 ~~835~~834,~~521~~541.4633 Scheduled Principal 0.00 11,~~912~~784.4123 11,~~912~~784.4123 Unscheduled Principal ~~210~~966,~~613~~050.0231 21,~~050~~925,~~125~~506.6892 2,~~260~~891,~~738~~557.7023 Scheduled Interest ~~201~~207,~~174~~510.8320 ~~622~~615,~~434~~246.2290 ~~823~~822,~~609~~757.0510 Servicing Fees 18,~~169~~103.4968 5857,~~095~~450.2284 7675,~~264~~554.7152 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 ~~183~~189,~~005~~406.3452 ~~564~~557,~~339~~796.0006 747,~~344~~202.3458 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 3.~~777045~~923371 3.~~642763~~640913 3.~~674755~~708593

Filing Compare · CSFB ADJUSTABLE RATE MORTGAGE TRUST 2004-3