8-K 1 arm05005_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 Adjustable Rate Mortgage-Backed P/T Cert, Series 2005-5 Trust (Exact name of registrant as specified in its charter) New York (governing law of 333-120966-16 Pooling and Servicing Agreement) (Commission 54-2173201 (State or other File Number) 54-2173202 jurisdiction 54-2173203 of Incorporation) 54-2173204 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, Adjustable Rate Mortgage-Backed P/T Cert, Series 2005-5 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 2005-5 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 Adjustable Rate Mortgage-Backed P/T Cert, Series 2005-5 Trust (Registrant) By: Wells Fargo Bank, N.A. as Trust Administrator By: /s/ Beth Belfield as Officer By: Beth Belfield as Officer Date: 6/30/2005 INDEX TO EXHIBITS Exhibit Number Description EX-99.1 Monthly report distributed to holders of Adjustable Rate Mortgage-Backed P/T Cert, Series 2005-5 Trust, relating to the June 27, 2005 distribution. EX-99.1

~~UNITED~~Credit ~~STATES~~Suisse First Boston Mortgage Securities Corp. Adjustable Rate Mortgage-Backed P/T Cert Record Date: 5/31/2005 Distribution Date: 6/27/2005 Credit Suisse First Boston Mortgage Securities Corp. Adjustable Rate Mortgage-Backed P/T Cert Series 2005-5 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 Class CUSIP Description Rate Balance Distribution 1-A-1 007036LG9 SEN 4.99358% 101,590,000.00 422,747.94 1-A-2 007036LH7 SEN 4.99358% 7,180,000.00 29,878.24 AR 007036MH6 SEN 4.99358% 50.00 0.21 AR-L 007036MJ2 SEN 4.99358% 50.00 0.21 2-A-1 007036LJ3 SEN 5.14182% 109,979,000.00 471,243.87 2-A-2 007036LK0 SEN 5.14182% 3,401,000.00 14,572.79 3-A-1 007036LL8 SEN 3.19060% 42,860,000.00 117,756.19 3-A-2-1 007036LN4 SEN 5.34577% 19,430,000.00 86,556.97 3-A-2-2 007036LP9 SEN 5.34577% 12,960,000.00 57,734.34 3-A-3 007036LQ7 SEN 5.34577% 20,000,000.00 89,096.21 4-A-1 007036LR5 SEN 4.95226% 117,677,000.00 485,639.78 5-A-1 007036LS3 SEN 5.34216% 57,480,000.00 255,889.29 5-A-2-1 007036LT1 SEN 5.34216% 53,686,000.00 238,999.17 5-A-2-2 007036LU8 SEN 5.34216% 3,794,000.00 16,890.12 C-B-1 007036MD5 SUB 5.14915% 17,380,000.00 74,576.82 C-B-2 007036ME3 SUB 5.14915% 8,245,000.00 35,378.93 C-B-3 007036MF0 SUB 5.14915% 2,945,000.00 12,636.87 C-B-4 007036MG8 SUB 5.14915% 1,765,000.00 7,573.54 C-B-5 007036MK9 SUB 5.14915% 3,240,000.00 13,902.70 C-B-6 007036ML7 SUB 5.14915% 3,240,000.00 13,902.70 C-B-7 007036MM5 SUB 5.14915% 2,060,927.00 8,843.35 6-A-1-1 007036LV6 SEN 3.31060% 79,600,000.00 226,923.25 6-A-1-2 007036LW4 SEN 3.38060% 19,900,000.00 57,930.34 6-A-2-1 007036LX2 SEN 3.32060% 307,450,000.00 879,124.27 6-A-2-2 007036LY0 SEN 3.37060% 34,160,000.00 99,148.08 6-M-1 007036LZ7 MEZ 3.54060% 19,370,000.00 59,056.23 6-M-2 007036MA1 MEZ 3.84060% 13,315,000.00 44,035.15 6-M-3 007036MB9 MEZ 4.34060% 5,810,000.00 21,716.26 6-M-4 007036MC7 MEZ 5.19060% 4,596,000.00 20,542.67 6-X 007036MN3 SEN 0.00000% 135.51 0.00 P 007036MP8 SEN 0.00000% 0.00 52,544.60 3-A-X 007036LM6 SEN 2.04882% 0.00 73,176.99 Totals 1,073,114,162.51 3,988,018.08

~~SECURITIES~~Certificateholder ~~AND~~Distribution ~~EXCHANGE~~Summary ~~COMMISSION~~(continued) Current Ending Cumulative Principal Realized Certificate Total Realized Class Distribution Loss Balance Distribution Losses 1-A-1 967,016.76 0.00 100,622,983.24 1,389,764.70 0.00 1-A-2 68,345.12 0.00 7,111,654.88 98,223.36 0.00 AR 50.00 0.00 0.00 50.21 0.00 AR-L 50.00 0.00 0.00 50.21 0.00 2-A-1 3,115,877.43 0.00 106,863,122.57 3,587,121.30 0.00 2-A-2 96,355.66 0.00 3,304,644.34 110,928.45 0.00 3-A-1 2,215,113.07 0.00 40,644,886.93 2,332,869.26 0.00 3-A-2-1 0.00 0.00 19,430,000.00 86,556.97 0.00 3-A-2-2 0.00 0.00 12,960,000.00 57,734.34 0.00 3-A-3 0.00 0.00 20,000,000.00 89,096.21 0.00 4-A-1 1,456,989.31 0.00 116,220,010.69 1,942,629.09 0.00 5-A-1 657,489.75 0.00 56,822,510.25 913,379.04 0.00 5-A-2-1 614,091.77 0.00 53,071,908.23 853,090.94 0.00 5-A-2-2 43,397.98 0.00 3,750,602.02 60,288.10 0.00 C-B-1 2,148.87 0.00 17,377,851.13 76,725.69 0.00 C-B-2 1,019.41 0.00 8,243,980.59 36,398.34 0.00 C-B-3 364.12 0.00 2,944,635.88 13,000.99 0.00 C-B-4 218.22 0.00 1,764,781.78 7,791.76 0.00 C-B-5 400.59 0.00 3,239,599.41 14,303.29 0.00 C-B-6 400.59 0.00 3,239,599.41 14,303.29 0.00 C-B-7 254.81 0.00 2,060,672.19 9,098.16 0.00 6-A-1-1 2,536,779.62 0.00 77,063,220.38 2,763,702.87 0.00 6-A-1-2 634,194.91 0.00 19,265,805.09 692,125.25 0.00 6-A-2-1 7,599,559.22 0.00 299,850,440.78 8,478,683.49 0.00 6-A-2-2 844,368.00 0.00 33,315,632.00 943,516.08 0.00 6-M-1 0.00 0.00 19,370,000.00 59,056.23 0.00 6-M-2 0.00 0.00 13,315,000.00 44,035.15 0.00 6-M-3 0.00 0.00 5,810,000.00 21,716.26 0.00 6-M-4 0.00 0.00 4,596,000.00 20,542.67 0.00 6-X 0.00 0.00 1,125,329.12 0.00 0.00 P 0.00 0.00 0.00 52,544.60 0.00 3-A-X 0.00 0.00 0.00 73,176.99 0.00 Totals 20,854,485.21 0.00 1,053,384,870.91 24,842,503.29 0.00 All distributions required by the Pooling and Servicing Agreement have been calculated by the Certificate Administrator on behalf of the Trustee.

~~Washington~~Principal Distribution Statement Original Beginning Scheduled Unscheduled Face Certificate Principal Principal Realized Class Amount Balance Distribution Distribution Accretion Loss (1) 1-A-1 101,590,000.00 D101,590,000.00 9,255.59 957,761.17 0.00 0.00 1-A-2 7,180,000.00 7,180,000.00 654.15 67,690.97 0.00 0.00 AR 50.00 50.00 0.48 49.52 0.00 0.00 AR-L 50.00 50.00 0.48 49.52 0.00 0.00 2-A-1 109,979,000.00 109,979,000.00 11,316.00 3,104,561.43 0.00 0.00 2-A-2 3,401,000.00 3,401,000.00 349.94 96,005.72 0.00 0.00 3-A-1 42,860,000.00 42,860,000.00 13,860.21 2,201,252.86 0.00 0.00 3-A-2-1 19,430,000.00 19,430,000.00 0.00 0.00 0.00 0.00 3-A-2-2 12,960,000.00 12,960,000.00 0.00 0.00 0.00 0.00 3-A-3 20,000,000.00 20,000,000.00 0.00 0.00 0.00 0.00 4-A-1 117,677,000.00 117,677,000.00 10,246.96 1,446,742.35 0.00 0.00 5-A-1 57,480,000.00 57,480,000.00 11,160.03 646,329.73 0.00 0.00 5-A-2-1 53,686,000.00 53,686,000.00 10,423.40 603,668.36 0.00 0.00 5-A-2-2 3,794,000.00 3,794,000.00 736.62 42,661.36 0.00 0.00 C-B-1 17,380,000.00 ~~20549~~17,380,000.00 2,148.87 0.00 0.00 0.00 C-B-2 8,245,000.00 8,245,000.00 1,019.41 0.00 0.00 0.00 C-B-3 2,945,000.00 2,945,000.00 364.12 0.00 0.00 0.00 C-B-4 1,765,000.00 1,765,000.00 218.22 0.00 0.00 0.00 C-B-5 3,240,000.00 3,240,000.00 400.59 0.00 0.00 0.00 C-B-6 3,240,000.00 3,240,000.00 400.59 0.00 0.00 0.00 C-B-7 2,060,927.00 2,060,927.00 254.81 0.00 0.00 0.00 6-A-1-1 79,600,000.00 79,600,000.00 0.00 2,536,779.62 0.00 0.00 6-A-1-2 19,900,000.00 19,900,000.00 0.00 634,194.91 0.00 0.00 6-A-2-1 307,450,000.00 307,450,000.00 0.00 7,599,559.22 0.00 0.00 6-A-2-2 34,160,000.00 34,160,000.00 0.00 844,368.00 0.00 0.00 6-M-1 19,370,000.00 19,370,000.00 0.00 0.00 0.00 0.00 6-M-2 13,315,000.00 13,315,000.00 0.00 0.00 0.00 0.00 6-M-3 5,810,000.00 5,810,000.00 0.00 0.00 0.00 0.00 6-M-4 4,596,000.00 4,596,000.00 0.00 0.00 0.00 0.00 6-X 135.51 135.51 0.00 0.00 0.00 0.00 P 0.00 0.00 0.00 0.00 0.00 0.00 3-A-X 0.00 0.00 0.00 0.00 0.00 0.00 Totals 1,073,114,162.51 1,073,114,162.51 72,810.47 20,781,674.74 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.

~~FORM~~Principal Distribution Statement (continued) Total Ending Ending Total Principal Certificate Certificate Principal Class Reduction Balance Percentage Distribution 1-A-1 967,016.76 100,622,983.24 0.99048118 967,016.76 1-A-2 68,345.12 7,111,654.88 0.99048118 68,345.12 AR 50.00 0.00 0.00000000 50.00 AR-L 50.00 0.00 0.00000000 50.00 2-A-1 3,115,877.43 106,863,122.57 0.97166843 3,115,877.43 2-A-2 96,355.66 3,304,644.34 0.97166843 96,355.66 3-A-1 2,215,113.07 40,644,886.93 0.94831747 2,215,113.07 3-A-2-1 0.00 19,430,000.00 1.00000000 0.00 3-A-2-2 0.00 12,960,000.00 1.00000000 0.00 3-A-3 0.00 20,000,000.00 1.00000000 0.00 4-A-1 1,456,989.31 116,220,010.69 0.98761874 1,456,989.31 5-A-1 657,489.75 56,822,510.25 0.98856142 657,489.75 5-A-2-1 614,091.77 53,071,908.23 0.98856142 614,091.77 5-A-2-2 43,397.98 3,750,602.02 0.98856142 43,397.98 C-B-1 2,148.87 17,377,851.13 0.99987636 2,148.87 C-B-2 1,019.41 8,243,980.59 0.99987636 1,019.41 C-KB-3 364.12 2,944,635.88 0.99987636 364.12 C-B-4 218.22 1,764,781.78 0.99987636 218.22 C-B-5 400.59 3,239,599.41 0.99987636 400.59 C-B-6 400.59 3,239,599.41 0.99987636 400.59 C-B-7 254.81 2,060,672.19 0.99987636 254.81 6-A-1-1 2,536,779.62 77,063,220.38 0.96813091 2,536,779.62 6-A-1-2 634,194.91 19,265,805.09 0.96813091 634,194.91 6-A-2-1 7,599,559.22 299,850,440.78 0.97528197 7,599,559.22 6-A-2-2 844,368.00 33,315,632.00 0.97528197 844,368.00 6-M-1 0.00 19,370,000.00 1.00000000 0.00 6-M-2 0.00 13,315,000.00 1.00000000 0.00 6-M-3 0.00 5,810,000.00 1.00000000 0.00 6-M-4 0.00 4,596,000.00 1.00000000 0.00 6-X 0.00 1,125,329.12 8,304.39908494 0.00 P 0.00 0.00 0.00000000 0.00 3-A-X 0.00 0.00 0.00000000 0.00 Totals 20,854,485.21 1,053,384,870.91 0.98161492 20,854,485.21

~~CURRENT~~Principal ~~REPORT~~Distribution Factors Statement Original Beginning Scheduled Unscheduled Face Certificate Principal Principal Class (2) Amount Balance Distribution Distribution Accretion 1-A-1 101,590,000.00 1000.00000000 0.09110729 9.42771109 0.00000000 1-A-2 7,180,000.00 1000.00000000 0.09110724 9.42771170 0.00000000 AR 50.00 1000.00000000 9.60000000 990.40000000 0.00000000 AR-L 50.00 1000.00000000 9.60000000 990.40000000 0.00000000 2-A-1 109,979,000.00 1000.00000000 0.10289237 28.22867484 0.00000000 2-A-2 3,401,000.00 1000.00000000 0.10289327 28.22867392 0.00000000 3-A-1 42,860,000.00 1000.00000000 0.32338334 51.35914279 0.00000000 3-A-2-1 19,430,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 3-A-2-2 12,960,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 3-A-3 20,000,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 4-A-1 117,677,000.00 1000.00000000 0.08707700 12.29418111 0.00000000 5-A-1 57,480,000.00 1000.00000000 0.19415501 11.24442815 0.00000000 5-A-2-1 53,686,000.00 1000.00000000 0.19415490 11.24442797 0.00000000 5-A-2-2 3,794,000.00 1000.00000000 0.19415393 11.24442804 0.00000000 C-B-1 17,380,000.00 1000.00000000 0.12364039 0.00000000 0.00000000 C-B-2 8,245,000.00 1000.00000000 0.12363978 0.00000000 0.00000000 C-B-3 2,945,000.00 1000.00000000 0.12364007 0.00000000 0.00000000 C-B-4 1,765,000.00 1000.00000000 0.12363739 0.00000000 0.00000000 C-B-5 3,240,000.00 1000.00000000 0.12363889 0.00000000 0.00000000 C-B-6 3,240,000.00 1000.00000000 0.12363889 0.00000000 0.00000000 C-B-7 2,060,927.00 1000.00000000 0.12363854 0.00000000 0.00000000 6-A-1-1 79,600,000.00 1000.00000000 0.00000000 31.86909070 0.00000000 6-A-1-2 19,900,000.00 1000.00000000 0.00000000 31.86909095 0.00000000 6-A-2-1 307,450,000.00 1000.00000000 0.00000000 24.71803292 0.00000000 6-A-2-2 34,160,000.00 1000.00000000 0.00000000 24.71803279 0.00000000 6-M-1 19,370,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 6-M-2 13,315,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 6-M-3 5,810,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 6-M-4 4,596,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 6-X 135.51 1000.00000000 0.00000000 0.00000000 0.00000000 P 0.00 0.00000000 0.00000000 0.00000000 0.00000000 3-A-X 0.00 0.00000000 0.00000000 0.00000000 0.00000000

~~Pursuant~~Principal toDistribution ~~Section~~Factors 13Statement OR(continued) 15Total Ending Ending Total Realized Principal Certificate Certificate Principal Class Loss (d3) ofReduction Balance Percentage Distribution 1-A-1 0.00000000 9.51881839 990.48118161 0.99048118 9.51881839 1-A-2 0.00000000 9.51881894 990.48118106 0.99048118 9.51881894 AR 0.00000000 1,000.00000000 0.00000000 0.00000000 1,000.00000000 AR-L 0.00000000 1,000.00000000 0.00000000 0.00000000 1,000.00000000 2-A-1 0.00000000 28.33156721 971.66843279 0.97166843 28.33156721 2-A-2 0.00000000 28.33156719 971.66843281 0.97166843 28.33156719 3-A-1 0.00000000 51.68252613 948.31747387 0.94831747 51.68252613 3-A-2-1 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 3-A-2-2 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 3-A-3 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 4-A-1 0.00000000 12.38125810 987.61874190 0.98761874 12.38125810 5-A-1 0.00000000 11.43858299 988.56141701 0.98856142 11.43858299 5-A-2-1 0.00000000 11.43858306 988.56141694 0.98856142 11.43858306 5-A-2-2 0.00000000 11.43858197 988.56141803 0.98856142 11.43858197 C-B-1 0.00000000 0.12364039 999.87635961 0.99987636 0.12364039 C-B-2 0.00000000 0.12363978 999.87636022 0.99987636 0.12363978 C-B-3 0.00000000 0.12364007 999.87635993 0.99987636 0.12364007 C-B-4 0.00000000 0.12363739 999.87636261 0.99987636 0.12363739 C-B-5 0.00000000 0.12363889 999.87636111 0.99987636 0.12363889 C-B-6 0.00000000 0.12363889 999.87636111 0.99987636 0.12363889 C-B-7 0.00000000 0.12363854 999.87636146 0.99987636 0.12363854 6-A-1-1 0.00000000 31.86909070 968.13090930 0.96813091 31.86909070 6-A-1-2 0.00000000 31.86909095 968.13090905 0.96813091 31.86909095 6-A-2-1 0.00000000 24.71803292 975.28196708 0.97528197 24.71803292 6-A-2-2 0.00000000 24.71803279 975.28196721 0.97528197 24.71803279 6-M-1 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 6-M-2 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 6-M-3 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 6-M-4 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 6-X 0.00000000 0.00000000 8,304,399.08493838 8304.39908494 0.00000000 P 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 3-A-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.

~~The~~Interest ~~Securities~~Distribution ~~Exchange~~Statement ~~Act~~Beginning Payment of ~~1934~~Original Current Certificate/ Current Unpaid Current Face Certificate Notional Accrued Interest Interest Class Amount Rate Balance Interest Shortfall Shortfall 1-A-1 101,590,000.00 4.99358% 101,590,000.00 422,747.93 0.00 0.00 1-A-2 7,180,000.00 4.99358% 7,180,000.00 29,878.24 0.00 0.00 AR 50.00 4.99358% 50.00 0.21 0.00 0.00 AR-L 50.00 4.99358% 50.00 0.21 0.00 0.00 2-A-1 109,979,000.00 5.14182% 109,979,000.00 471,243.88 0.00 0.00 2-A-2 3,401,000.00 5.14182% 3,401,000.00 14,572.79 0.00 0.00 3-A-1 42,860,000.00 3.19060% 42,860,000.00 117,756.18 0.00 0.00 3-A-2-1 19,430,000.00 5.34577% 19,430,000.00 86,556.96 0.00 0.00 3-A-2-2 12,960,000.00 5.34577% 12,960,000.00 57,734.34 0.00 0.00 3-A-3 20,000,000.00 5.34577% 20,000,000.00 89,096.21 0.00 0.00 4-A-1 117,677,000.00 4.95226% 117,677,000.00 485,639.77 0.00 0.00 5-A-1 57,480,000.00 5.34216% 57,480,000.00 255,889.28 0.00 0.00 5-A-2-1 53,686,000.00 5.34216% 53,686,000.00 238,999.17 0.00 0.00 5-A-2-2 3,794,000.00 5.34216% 3,794,000.00 16,890.12 0.00 0.00 C-B-1 17,380,000.00 5.14915% 17,380,000.00 74,576.82 0.00 0.00 C-B-2 8,245,000.00 5.14915% 8,245,000.00 35,378.93 0.00 0.00 C-B-3 2,945,000.00 5.14915% 2,945,000.00 12,636.87 0.00 0.00 C-B-4 1,765,000.00 5.14915% 1,765,000.00 7,573.54 0.00 0.00 C-B-5 3,240,000.00 5.14915% 3,240,000.00 13,902.70 0.00 0.00 C-B-6 3,240,000.00 5.14915% 3,240,000.00 13,902.70 0.00 0.00 C-B-7 2,060,927.00 5.14915% 2,060,927.00 8,843.35 0.00 0.00 6-A-1-1 79,600,000.00 3.31060% 79,600,000.00 226,923.24 0.00 0.00 6-A-1-2 19,900,000.00 3.38060% 19,900,000.00 57,930.34 0.00 0.00 6-A-2-1 307,450,000.00 3.32060% 307,450,000.00 879,124.24 0.00 0.00 6-A-2-2 34,160,000.00 3.37060% 34,160,000.00 99,148.07 0.00 0.00 6-M-1 19,370,000.00 3.54060% 19,370,000.00 59,056.22 0.00 0.00 6-M-2 13,315,000.00 3.84060% 13,315,000.00 44,035.15 0.00 0.00 6-M-3 5,810,000.00 4.34060% 5,810,000.00 21,716.26 0.00 0.00 6-M-4 4,596,000.00 5.19060% 4,596,000.00 20,542.66 0.00 0.00 6-X 135.51 0.00000% 484,201,135.52 0.00 0.00 0.00 P 0.00 0.00000% 0.00 0.00 0.00 0.00 3-A-X 0.00 2.04882% 42,860,000.00 73,176.98 0.00 0.00 Totals 1,073,114,162.51 3,935,473.36 0.00 0.00

~~Date~~Interest ofDistribution ~~Report~~Statement (~~Date~~continued) ofRemaining ~~earliest~~Ending ~~event~~Non-Supported ~~reported~~Total Unpaid Certificate/ Interest Realized Interest Interest Notional Class Shortfall Losses (4) ~~May~~Distribution Shortfall Balance 1-A-1 0.00 0.00 422,747.94 0.00 100,622,983.24 1-A-2 0.00 0.00 29,878.24 0.00 7,111,654.88 AR 0.00 0.00 0.21 0.00 0.00 AR-L 0.00 0.00 0.21 0.00 0.00 2-A-1 0.00 0.00 471,243.87 0.00 106,863,122.57 2-A-2 0.00 0.00 14,572.79 0.00 3,304,644.34 3-A-1 0.00 0.00 117,756.19 0.00 40,644,886.93 3-A-2-1 0.00 0.00 86,556.97 0.00 19,430,000.00 3-A-2-2 0.00 0.00 57,734.34 0.00 12,960,000.00 3-A-3 0.00 0.00 89,096.21 0.00 20,000,000.00 4-A-1 0.00 0.00 485,639.78 0.00 116,220,010.69 5-A-1 0.00 0.00 255,889.29 0.00 56,822,510.25 5-A-2-1 0.00 0.00 238,999.17 0.00 53,071,908.23 5-A-2-2 0.00 0.00 16,890.12 0.00 3,750,602.02 C-B-1 0.00 0.00 74,576.82 0.00 17,377,851.13 C-B-2 0.00 0.00 35,378.93 0.00 8,243,980.59 C-B-3 0.00 0.00 12,636.87 0.00 2,944,635.88 C-B-4 0.00 0.00 7,573.54 0.00 1,764,781.78 C-B-5 0.00 0.00 13,902.70 0.00 3,239,599.41 C-B-6 0.00 0.00 13,902.70 0.00 3,239,599.41 C-B-7 0.00 0.00 8,843.35 0.00 2,060,672.19 6-A-1-1 0.00 0.00 226,923.25 0.00 77,063,220.38 6-A-1-2 0.00 0.00 57,930.34 0.00 19,265,805.09 6-A-2-1 0.00 0.00 879,124.27 0.00 299,850,440.78 ~~2005~~6-A-2-2 0.00 0.00 99,148.08 0.00 33,315,632.00 6-M-1 0.00 0.00 59,056.23 0.00 19,370,000.00 6-M-2 0.00 0.00 44,035.15 0.00 13,315,000.00 6-M-3 0.00 0.00 21,716.26 0.00 5,810,000.00 6-M-4 0.00 0.00 20,542.67 0.00 4,596,000.00 6-X 0.00 0.00 0.00 0.00 473,711,427.36 P 0.00 0.00 52,544.60 0.00 0.00 3-A-X 0.00 0.00 73,176.99 0.00 40,644,886.93 Totals 0.00 0.00 3,988,018.08 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.

~~CREDIT~~Interest ~~SUISSE~~Distribution ~~FIRST~~Factors ~~BOSTON~~Statement ~~MORTGAGE~~Beginning ~~SECURITIES~~Payment ~~CORP~~of Original Current Certificate/ Current Unpaid Current Face Certificate Notional Accrued Interest Interest Class (5) Amount Rate Balance Interest Shortfall Shortfall 1-A-1 101,590,000.00 4.99358% 1000.00000000 4.16131440 0.00000000 0.00000000 1-A-2 7,180,000.00 4.99358% 1000.00000000 4.16131476 0.00000000 0.00000000 AR 50.00 4.99358% 1000.00000000 4.20000000 0.00000000 0.00000000 AR-L 50.00 4.99358% 1000.00000000 4.20000000 0.00000000 0.00000000 2-A-1 109,979,000.00 5.14182% 1000.00000000 4.28485329 0.00000000 0.00000000 2-A-2 3,401,000.00 5.14182% 1000.00000000 4.28485445 0.00000000 0.00000000 3-A-1 42,860,000.00 3.19060% 1000.00000000 2.74746104 0.00000000 0.00000000 3-A-2-1 19,430,000.00 5.34577% 1000.00000000 4.45481009 0.00000000 0.00000000 3-A-2-2 12,960,000.00 5.34577% 1000.00000000 4.45481019 0.00000000 0.00000000 3-A-3 20,000,000.00 5.34577% 1000.00000000 4.45481050 0.00000000 0.00000000 4-A-1 117,677,000.00 4.95226% 1000.00000000 4.12688775 0.00000000 0.00000000 5-A-1 57,480,000.00 5.34216% 1000.00000000 4.45179680 0.00000000 0.00000000 5-A-2-1 53,686,000.00 5.34216% 1000.00000000 4.45179693 0.00000000 0.00000000 5-A-2-2 3,794,000.00 5.34216% 1000.00000000 4.45179758 0.00000000 0.00000000 C-B-1 17,380,000.00 5.14915% 1000.00000000 4.29095627 0.00000000 0.00000000 C-B-2 8,245,000.00 5.14915% 1000.00000000 4.29095573 0.00000000 0.00000000 C-B-3 2,945,000.00 5.14915% 1000.00000000 4.29095756 0.00000000 0.00000000 C-B-4 1,765,000.00 5.14915% 1000.00000000 4.29095751 0.00000000 0.00000000 C-B-5 3,240,000.00 5.14915% 1000.00000000 4.29095679 0.00000000 0.00000000 C-B-6 3,240,000.00 5.14915% 1000.00000000 4.29095679 0.00000000 0.00000000 C-B-7 2,060,927.00 5.14915% 1000.00000000 4.29095742 0.00000000 0.00000000 6-A-1-1 79,600,000.00 3.31060% 1000.00000000 2.85079447 0.00000000 0.00000000 6-A-1-2 19,900,000.00 3.38060% 1000.00000000 2.91107236 0.00000000 0.00000000 6-A-2-1 307,450,000.00 3.32060% 1000.00000000 2.85940556 0.00000000 0.00000000 6-A-2-2 34,160,000.00 3.37060% 1000.00000000 2.90246107 0.00000000 0.00000000 6-M-1 19,370,000.00 3.54060% 1000.00000000 3.04884977 0.00000000 0.00000000 6-M-2 13,315,000.00 3.84060% 1000.00000000 3.30718363 0.00000000 0.00000000 6-M-3 5,810,000.00 4.34060% 1000.00000000 3.73773838 0.00000000 0.00000000 6-M-4 4,596,000.00 5.19060% 1000.00000000 4.46968233 0.00000000 0.00000000 6-X 135.51 0.00000% 573176411.48255000 0.00000000 0.00000000 0.00000000 P 0.00 0.00000% 0.00000000 0.00000000 0.00000000 0.00000000 3-A-X 0.00 2.04882% 1000.00000000 1.70734904 0.00000000 0.00000000 (5) Per $1 denomination.

onInterest ~~behalf~~Distribution ofFactors 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 4.16131450 0.00000000 990.48118161 1-A-2 0.00000000 0.00000000 4.16131476 0.00000000 990.48118106 AR 0.00000000 0.00000000 4.20000000 0.00000000 0.00000000 AR-L 0.00000000 0.00000000 4.20000000 0.00000000 0.00000000 2-A-1 0.00000000 0.00000000 4.28485320 0.00000000 971.66843279 2-A-2 0.00000000 0.00000000 4.28485445 0.00000000 971.66843281 3-A-1 0.00000000 0.00000000 2.74746127 0.00000000 948.31747387 3-A-2-1 0.00000000 0.00000000 4.45481060 0.00000000 1000.00000000 3-A-2-2 0.00000000 0.00000000 4.45481019 0.00000000 1000.00000000 3-A-3 0.00000000 0.00000000 4.45481050 0.00000000 1000.00000000 4-A-1 0.00000000 0.00000000 4.12688784 0.00000000 987.61874190 5-A-1 0.00000000 0.00000000 4.45179697 0.00000000 988.56141701 5-A-2-1 0.00000000 0.00000000 4.45179693 0.00000000 988.56141694 5-A-2-2 0.00000000 0.00000000 4.45179758 0.00000000 988.56141803 C-B-1 0.00000000 0.00000000 4.29095627 0.00000000 999.87635961 C-B-2 0.00000000 0.00000000 4.29095573 0.00000000 999.87636022 C-B-3 0.00000000 0.00000000 4.29095756 0.00000000 999.87635993 C-B-4 0.00000000 0.00000000 4.29095751 0.00000000 999.87636261 C-B-5 0.00000000 0.00000000 4.29095679 0.00000000 999.87636111 C-B-6 0.00000000 0.00000000 4.29095679 0.00000000 999.87636111 C-B-7 0.00000000 0.00000000 4.29095742 0.00000000 999.87636146 6-A-1-1 0.00000000 0.00000000 2.85079460 0.00000000 968.13090930 6-A-1-2 0.00000000 0.00000000 2.91107236 0.00000000 968.13090905 6-A-2-1 0.00000000 0.00000000 2.85940566 0.00000000 975.28196708 6-A-2-2 0.00000000 0.00000000 2.90246136 0.00000000 975.28196721 6-M-1 0.00000000 0.00000000 3.04885028 0.00000000 1000.00000000 6-M-2 0.00000000 0.00000000 3.30718363 0.00000000 1000.00000000 6-M-3 0.00000000 0.00000000 3.73773838 0.00000000 1000.00000000 6-M-4 0.00000000 0.00000000 4.46968451 0.00000000 1000.00000000 6-X 0.00000000 0.00000000 0.00000000 0.00000000 495767303.96281000 P 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 3-A-X 0.00000000 0.00000000 1.70734928 0.00000000 948.31747387 (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.

~~CSFB~~CERTIFICATEHOLDER ~~Adjustable~~ACCOUNT ~~Rate~~STATEMENT ~~Mortgage~~CERTIFICATE ~~Trust~~ACCOUNT ~~2005-5~~Beginning Balance 0.00 Deposits Payments of Interest and Principal 24,977,245.42 Liquidations, Insurance Proceeds, Reserve Funds 0.00 Proceeds from Repurchased Loans 0.00 Other Amounts (Servicer Advances) 54,067.50 Realized Loss (Gains, Subsequent Expenses & Recoveries) 0.00 Prepayment Penalties 52,544.60 Total Deposits 25,083,857.52 Withdrawals Reimbursement for Servicer Advances 0.00 Payment of Service Fee 241,354.23 Payment of Interest and Principal 24,842,503.29 Total Withdrawals (Pool Distribution Amount) 25,083,857.52 Ending Balance 0.00

~~(Exact~~PREPAYMENT/CURTAILMENT ~~name~~INTEREST ofSHORTFALL ~~registrant~~Total asPrepayment/Curtailment ~~specified~~Interest inShortfall ~~its~~0.00 ~~charter)~~Servicing Fee Support 0.00 Non-Supported Prepayment/Curtailment Interest Shortfall 0.00

Delaware		333-120966-16		13-3320910
(State or other jurisdiction of incorporation)		(Commission File Number)		(IRS Employer Identification No.)

Eleven Madison Avenue, New York, NY		10010
(Address of principal executive office)		(Zip Code)

~~Registrant's~~LOAN ~~telephone~~STATUS ~~number~~STRATIFICATION/CREDIT ENHANCEMENT STATEMENT 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 36 0 0 0 36 10,413,464.09 ~~including~~0.00 ~~area~~0.00 ~~code (212)~~0.00 ~~325~~10,413,464.09 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 36 0 0 0 36 10,413,464.09 0.00 0.00 0.00 10,413,464.09 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-~~2000~~29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 1.118360% 0.000000% 0.000000% 0.000000% 1.118360% 1.068983% 0.000000% 0.000000% 0.000000% 1.068983% 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 1.118360% 0.000000% 0.000000% 0.000000% 1.118360% 1.068983% 0.000000% 0.000000% 0.000000% 1.068983%

Delinquency Status By Groups

N/A (Former name or address, if changed since last report)

~~Check~~OTHER ~~the~~INFORMATION ~~appropriate~~Current ~~box~~Period ~~below~~Class ifA ~~the~~Insufficient ~~Form~~Funds ~~8-K~~0.00 ~~filing~~Principal isBalance ~~intended to simultaneously satisfy the filing obligation~~ of ~~the~~Contaminated ~~registrant~~Properties ~~under~~0.00 ~~any~~Periodic ofAdvance ~~the following provisions (see General Instruction A~~54,067.~~2. below):~~50

oCREDIT ~~Written~~ENHANCEMENT ~~communication~~Original ~~pursuant~~$ toOriginal ~~Rule~~% ~~425~~Current ~~under~~$ ~~the~~Current ~~Securities~~% ~~Act~~Bankruptcy ~~(17~~223,586.00 ~~CFR~~0.02083525% ~~230~~223,586.~~425)~~00 0.02295512% Fraud 11,778,261.00 1.09757763% 11,778,261.00 1.20925021% Special Hazard 5,889,131.00 0.54878886% 5,889,131.00 0.60462516% Limit of Subordinate's Exposure to Certain Types of Losses

oCOLLATERAL ~~Soliciting~~STATEMENT ~~material~~Collateral ~~pursuant~~Description toMixed ~~Rule~~ARM ~~14a~~Weighted Average Gross Coupon 5.771223% Weighted Average Net Coupon 5.502399% Weighted Average Pass-12Through ~~under~~Rate ~~the~~5.479774% ~~Exchange~~Weighted ~~Act~~Average Maturity(17Stepdown ~~CFR~~Calculation) ~~240~~1 Beginning Scheduled Collateral Loan Count 0 Number Of Loans Paid In Full (3,219) Ending Scheduled Collateral Loan Count 3,219 Beginning Scheduled Collateral Balance 1,073,114,162.~~14a~~51 Ending Scheduled Collateral Balance 974,013,556.32 Ending Actual Collateral Balance at 31-~~12)~~May-2005 974,146,636.14 Monthly P&I Constant 4,964,810.28 Special Servicing Fee 0.00 Prepayment Penalties 52,544.60 Realized Loss Amount 0.00 Cumulative Realized Loss 0.00 Scheduled Principal 185,550.46 Unscheduled Principal 19,543,741.16 Extra principal distribution Amount 1,125,193.65 Excess Cash Amount 1,125,193.65

oMiscellaneous ~~Pre-commencement~~Reporting ~~communications~~Excess ~~pursuant~~Cash to1,125,193.65 ~~Rule~~Extra ~~14d-2(b)~~Principal ~~under~~Distribution ~~the~~1,125,193.65 ~~Exchange~~Overcollateralization ~~Act~~Amount ~~(17~~1,125,329.12 ~~CFR~~Overcollateralization ~~240~~Deficiency 1,295,676.~~14d-~~56 Overcollateralization Increase 1,125,193.65 Overcollateralization Reduction 0.00 3 Month Rolling Delinquency Percentage 0.000000% Target Overcollateralization 2~~(b))~~,421,005.68 Trigger Event -3 mo Delinq Rate > 5.25% NO

oGroup ~~Pre~~Level Collateral Statement Group Group 1-~~commencement~~Jumbo ~~communications~~3/1 ~~pursuant~~Group to2-Jumbo ~~Rule~~5/1 ~~13e~~Group 3 - 10/1 Collateral Description Mixed ARM Mixed ARM Mixed ARM Weighted Average Coupon Rate 5.303546 5.489001 5.597343 Weighted Average Net Rate 4~~(c)~~.993577 ~~under~~5.144176 ~~the~~5.345772 ~~Exchange~~Weighted ~~Act~~Average ~~(17~~Maturity ~~CFR~~357 ~~240~~357 358 Beginning Loan Count 222 218 164 Loans Paid In Full 2 6 1 Ending Loan Count 220 212 163 Beginning Scheduled Balance 116,459,614.~~13e~~61 121,392,300.23 101,980,082.83 Ending Scheduled Balance 115,423,452.10 118,179,242.74 99,763,990.44 Record Date 05/31/2005 05/31/2005 05/31/2005 Principal And Interest Constant 525,318.81 567,759.10 490,520.82 Scheduled Principal 10,611.33 12,490.34 14,839.53 Unscheduled Principal 1,025,551.18 3,200,567.15 2,201,252.86 Scheduled Interest 514,707.48 555,268.76 475,681.29 Servicing Fees 30,082.40 34,882.67 21,379.36 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 0.00 237.90 0.00 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 484,625.08 520,148.19 454,301.93 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~~(c))~~.993577 5.141824 5.345772

~~Information~~Group toLevel beCollateral ~~Included~~Statement inGroup ~~the~~Gr4 ~~Report~~Conforming 3/1 Gr5 Conforming 5/1 6A-Conf Mix Hybrid Collateral Description Mixed ARM Mixed ARM Mixed ARM Weighted Average Coupon Rate 5.266597 5.684862 6.209560 Weighted Average Net Rate 4.952265 5.342676 5.952853 Weighted Average Maturity 356 357 357 Beginning Loan Count 591 592 510 Loans Paid In Full 6 6 13 Ending Loan Count 585 586 497 Beginning Scheduled Balance 125,992,684.71 123,088,345.45 109,290,561.94 Ending scheduled Balance 124,534,971.30 121,771,787.79 106,426,775.58 Record Date 05/31/2005 05/31/2005 05/31/2005 Principal And Interest Constant 563,931.62 607,015.10 594,776.14 Scheduled Principal 10,971.06 23,898.21 29,237.54 Unscheduled Principal 1,446,742.35 1,292,659.45 2,834,548.82 Scheduled Interest 552,960.56 583,116.89 565,538.60 Servicing Fees 33,002.88 35,099.24 23,379.69 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 53.32 0.00 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 519,957.68 547,964.33 542,158.91 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 4.952265 5.342156 5.952853

~~Section~~Group 8Level Collateral Statement Group 6A-Non/Conf ~~Other~~Mix ~~Events~~Hb Total Collateral Description Mixed ARM Mixed ARM Weighted Average Coupon Rate 6.220438 ~~ITEM~~5.771223 8Weighted Average Net Rate 5.01966366 5.502399 Weighted Average Maturity 357.00 1.00 Record Date 05/31/2005 05/31/2005 Principal And Interest Constant 1,615,488.69 4,964,810.28 Beginning Loan Count 984 3,281 Loans Paid In Full 28 62 Ending Loan Count 956 3,219 Beginning Scheduled Balance 295,539,258.17 993,742,847.94 Ending Scheduled Balance 287,913,336.37 974,013,556.32 Scheduled Principal 83,502.45 185,550.46 Unscheduled Principal 7,542,419.35 19,543,741.16 Scheduled Interest 1,531,986.24 4,779,259.82 Servicing Fee 62,573.39 240,399.63 Master Servicing Fee 0.00 0.00 Trustee Fee 0.00 0.00 Fry Amount 0.00 0.00 Special Hazard Fee 0.00 0.00 Other ~~Events~~Fee 663.38 954.60 Pool Insurance Fee 0.00 0.00 Spread 1 0.00 0.00 Spread 2 0.00 0.00 Spread 3 0.00 0.00 Net Interest 1,468,749.47 4,537,905.59 Realized Loss Amount 0.00 0.00 Cumulative Realized Loss 0.00 0.00 Percentage of Cumulative Losses 0.0000 0.0000 Prepayment Penalties 0.00 0.00 Special Servicing Fee 0.00 0.00 Pass-Through Rate 5.963672 5.479774

OnMiscellaneous ~~May~~Reporting ~~27,~~Group ~~2005,~~Group ~~Credit~~1-Jumbo ~~Suisse~~3/1 ~~First~~Insurance ~~Boston~~Proceeds ~~Mortgage Securities Corp~~0.00 ~~caused~~Net ~~the~~Liquidation ~~issuance~~Proceeds ~~and~~0.00 ~~sale~~Repurchase ofProceeds ~~the~~0.00 ~~Adjustable~~Subsequent ~~Rate~~Losses ~~Mortgage-Backed~~0.00 ~~Pass-Through~~Subsequent ~~Certificates,~~Loss ~~Series~~Recoveries ~~2005-5,~~0.00 ~~pursuant~~Substitution toAmount a0.00 ~~Pooling~~Substitution ~~and~~Adjustment ~~Servicing~~Amount ~~Agreement~~0.00 ~~dated~~Group asGroup of2-Jumbo ~~May~~ 5/1, ~~2005,~~Insurance ~~among~~Proceeds ~~Credit~~0.00 ~~Suisse~~Net ~~First~~Liquidation ~~Boston~~Proceeds ~~Mortgage~~0.00 ~~Securities~~Repurchase ~~Corp~~Proceeds 0.,00 asSubsequent ~~depositor,~~Losses ~~DLJ~~0.00 ~~Mortgage~~Subsequent ~~Capital,~~Loss ~~Inc~~Recoveries 0.,00 asSubstitution ~~seller,~~Amount ~~Wells~~0.00 ~~Fargo~~Substitution ~~Bank,~~Adjustment NAmount 0.~~A.,~~00 asGroup ~~trust~~Group ~~administrator,~~3 ~~master~~- ~~servicer,~~10/1 aInsurance ~~servicer~~Proceeds ~~and~~0.00 ~~back-up~~Net ~~servicer,~~Liquidation UProceeds 0.S00 Repurchase Proceeds 0. ~~Bank~~00 ~~National~~Subsequent ~~Association,~~Losses as0.00 ~~trustee,~~Subsequent ~~and~~Loss ~~the~~Recoveries ~~other~~0.00 ~~servicers~~Substitution ~~that~~Amount ~~are~~0.00 ~~signatories~~Substitution ~~thereto~~Adjustment Amount 0.00

~~Section~~Miscellaneous 9Reporting –Group ~~Financial~~Gr4 ~~Statements~~Conforming ~~and~~3/1 ~~Exhibits~~Insurance Proceeds 0.00 Net Liquidation Proceeds 0.00 Repurchase Proceeds 0.00 Subsequent Losses 0.00 Subsequent Loss Recoveries 0.00 Substitution Amount 0.00 Substitution Adjustment Amount 0.00 Group Gr5 Conforming 5/1 Insurance Proceeds 0.00 Net Liquidation Proceeds 0.00 Repurchase Proceeds 0.00 Subsequent Losses 0.00 Subsequent Loss Recoveries 0.00 Substitution Amount 0.00 Substitution Adjustment Amount 0.00 Group 6A-Conf Mix Hybrid Insurance Proceeds 0.00 Net Liquidation Proceeds 0.00 Repurchase Proceeds 0.00 Subsequent Losses 0.00 Subsequent Loss Recoveries 0.00 Substitution Amount 0.00 Substitution Adjustment Amount 0.00

~~ITEM~~Miscellaneous 9Reporting Group 6A-Non/Conf Mix Hb Insurance Proceeds 0.0100 ~~(c)~~Net Liquidation Proceeds 0.00 ~~Exhibits~~Repurchase Proceeds 0.00 Subsequent Losses 0.00 Subsequent Loss Recoveries 0.00 Substitution Amount 0.00 Substitution Adjustment Amount 0.00

(c)	Exhibits (executed copies): The following execution copies of Exhibits to the Form S-3 Registration Statement of the Registrant are hereby filed:
	10.1	Pooling and Servicing Agreement dated as of May 1, 2005, among Credit Suisse First Boston Mortgage Securities Corp., as depositor, DLJ Mortgage Capital, Inc., as seller, Wells Fargo Bank, N.A., as trust administrator, master servicer, a servicer and back-up servicer, U.S. Bank National Association, as trustee, and the other servicers that are signatories thereto.

10.2 Assignment and Assumption Agreement, dated as of May 1, 2005, by and between DLJ Mortgage Capital, Inc. and Credit Suisse First Boston Mortgage Securities Corp.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Dated: June 13, 2005

CREDIT SUISSE FIRST BOSTON MORTGAGE SECURITIES CORP. By: /s/ Kevin Steele Name: Kevin Steele Title: Vice President

Exhibit Index

Exhibit Number			Description
	10.1	Pooling and Servicing Agreement dated as of May 1, 2005, among Credit Suisse First Boston Mortgage Securities Corp., as depositor, DLJ Mortgage Capital, Inc., as seller, Wells Fargo Bank, N.A., as trust administrator, master servicer, a servicer and back-up servicer, U.S. Bank National Association, as trustee, and the other servicers that are signatories thereto.

10.2 Assignment and Assumption Agreement, dated as of

May 1, 2005, by and between DLJ Mortgage Capital, Inc. and Credit Suisse First Boston Mortgage Securities Corp.

Filing Compare · CSFB Adjustable Rate Mortgage Trust 2005-5