8-K 1 csf03019.txt SEPTEMBER 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington D. C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 25, 2003 CREDIT SUISSE FIRST BOSTON MORTGAGE SECURITIES CORPORATION Mortgage Backed Pass-Through Certificates, Series 2003-19 Trust (Exact name of registrant as specified in its charter) New York (governing law of 333-100669-23 54-2121795 Pooling and Servicing Agreement) (Commission 54-2121794 (State or other File Number) 54-2121793 jurisdiction 54-2121792 of Incorporation) 54-2121791 54-2121790 IRS EIN c/o Wells Fargo Bank Minnesota, 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) ITEM 5. Other Events On September 25, 2003 a distribution was made to holders of CREDIT SUISSE FIRST BOSTON MORTGAGE SECURITIES CORPORATION, Mortgage Backed Pass-Through Certificates, Series 2003-19 Trust. ITEM 7. Financial Statements and Exhibits (c) Exhibits furnished in accordance with Item 601(a) of Regulation S-K Exhibit Number Description EX-99.1 Monthly report distributed to holders of Mortgage Backed Pass-Through Certificates, Series 2003-19 Trust, relating to the September 25, 2003 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. CREDIT SUISSE FIRST BOSTON MORTGAGE SECURITIES CORPORATION Mortgage Backed Pass-Through Certificates, Series 2003-19 Trust By: Wells Fargo Bank Minnesota, N.A. as Trust Administrator By: /s/ Beth Belfield, Assistant Vice President By: Beth Belfield, Assistant Vice President Date: 9/30/03 INDEX TO EXHIBITS Exhibit Number Description EX-99.1 Monthly report distributed to holders of Mortgage Backed Pass-Through Certificates, Series 2003-19 Trust, relating to the September 25, 2003 distribution. EX-99.1

Credit Suisse First Boston Mortgage Securities Corp. Mortgage- Backed Pass-Through Certificates Record Date: 78/31/03 Distribution Date: 89/25/03 CSF Series: 2003-19 Contact: Customer Service - CTSLink Wells Fargo Bank Minnesota, 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 IA1 22541QLX8 SEN 3.85000% 48,~~365~~279,~~000~~171.0084 ~~155~~154,~~171~~895.0467 8595,~~828~~844.1628 IA2 22541QLY6 SEN 5.25000% 0.00 ~~229~~228,~~137~~095.7110 0.00 IA3 22541QLZ3 SEN 4.50000% 26,~~204~~033,~~000~~868.0086 9897,~~265~~627.0001 ~~170~~189,~~131~~985.1438 IA4 22541QMA7 SEN 5.25000% 35,071,933.00 153,439.7170 0.00 IA5 22541QMB5 SEN 5.25000% 4235,~~376~~672,~~000~~045.0073 ~~185~~156,~~395~~065.0020 6,~~703~~668,~~954~~015.2704 IA6 22541QMC3 SEN 5.25000% 8,724,000.00 38,167.50 0.00 IA7 22541QMD1 SEN 5.25000% 17,437,000.00 76,286.8887 0.00 IA8 22541QME9 SEN 5.25000% 43,~~000~~367,000.00 1714,~~500~~730.0062 ~~633~~630,000.00 IA9 22541QMF6 SEN 5.25000% 5,000,000.00 21,875.00 0.00 IA10 22541QMG4 SEN 5.25000% 3,000,000.00 13,125.00 0.00 IA11 22541QMH2 SEN 3.20000% 1714,~~500~~731,~~000~~470.0065 4639,~~666~~283.6792 2,~~768~~753,~~529~~687.3554 IA12 22541QMJ8 SEN 10.12048% 65,~~916~~822,~~666~~437.0084 5849,~~333~~104.3289 1,~~094~~088,~~228~~362.1611 IA13 22541QMK5 SEN 9.00000% ~~583~~491,~~334~~049.0058 43,~~375~~682.0187 9291,~~284~~789.4269 IA14 22541QML3 SEN 5.25000% 1,855,000.00 8,115.62 0.00 IA15 22541QMM1 SEN 3.00000% 68,~~491~~045,~~000~~058.0051 ~~171~~170,~~227~~112.5064 ~~445~~497,~~941~~982.4973 IA16 22541QMN9 SEN 2.70000% 1411,~~000~~785,~~000~~176.0052 3126,~~500~~516.0065 2,~~214~~202,~~823~~950.4803 IA17 22541QMP4 SEN 2.~~81000~~60063% 1,~~500~~262,~~000~~697.0048 32,~~512~~736.5051 ~~237~~236,~~302~~030.5236 IA18 22541QMQ2 SEN 1213.~~57000~~19811% ~~500~~420,~~000~~899.0016 54,~~237~~629.5023 7978,~~100~~676.8479 IA19 22541QMR0 SEN 5.25000% 20,000,000.00 87,500.00 0.00 IA20 22541QMS8 SEN 11.52766% 54,~~222~~396,~~222~~057.0072 5042,~~166~~230.6721 ~~826~~821,~~164~~735.2829 IA21 22541QMT6 SEN 9.00000% ~~777~~654,~~778~~732.0022 54,~~833~~910.3449 ~~123~~122,~~045~~386.7815 IA22 22541QMU3 SEN 4.50000% 44,662,000.00 167,482.50 0.00 IA23 22541QMV1 SEN 5.25000% 2,386,000.00 10,438.75 0.00 IP 22541QMZ2 SEN 0.00000% ~~175~~174,~~185~~983.2557 0.00 ~~201~~7,103.6860 IIA1 22541QMW9 SEN 4.75000% 5654,~~808~~236,~~467~~591.0076 ~~224~~214,~~866~~686.8550 2934,~~571,875~~430.2469 AR 22541QNE8 SEN 4.75000% 500.00 0.2000 500.00 IIP 22541QNA6 SEN 0.00000% 9089,~~151~~805.3035 0.00 ~~345~~347.9538 IX 22541QMX7 SEN 5.25000% 0.00 ~~144~~138,~~855~~112.9416 0.00 IIX 22541QMY5 SEN 4.75000% 0.00 1918,~~747~~510.8037 0.00 CB1 22541QNB4 SUB 5.~~18400~~18403% 6,~~220~~211,~~404~~896.0066 26,~~872~~835.1557 8,~~507~~557.3464 CB2 22541QNC2 SUB 5.~~18400~~18403% 2,~~443~~440,~~730~~387.0083 10,~~556~~542.9154 3,~~342~~361.1793 CB3 22541QND0 SUB 5.~~18400~~18403% 1,~~999~~996,~~415~~680.0050 8,~~637~~625.4772 2,~~734~~750.5067 CB4 22541QLU4 SUB 5.~~18400~~18403% ~~444~~443,~~314~~706.0033 1,~~919~~916.4482 ~~607~~611.6726 CB5 22541QLV2 SUB 5.~~18400~~18403% ~~888~~887,~~629~~413.0067 3,~~838~~833.8865 1,~~215~~222.3352 CB6 22541QLW0 SUB 5.~~18400~~18403% ~~672~~671,~~332~~412.0048 2,~~904~~900.4752 ~~919~~924.5295 Totals ~~444~~426,~~314~~250,~~610~~477.5526 21,~~082~~997,~~952~~015.3380 1816,~~064~~436,~~133~~756.2903

Certificateholder Distribution Summary (continued) Current Ending Cumulative Realized Certificate Total Realized Class Loss Balance Distribution Losses IA1 0.00 48,~~279~~183,~~171~~327.8456 ~~240~~250,~~999~~739.2095 0.00 IA2 0.00 0.00 ~~229~~228,~~137~~095.7110 0.00 IA3 0.00 2625,~~033~~843,~~868~~883.8648 ~~268~~287,~~396~~612.1439 0.00 IA4 0.00 35,071,933.00 153,439.7170 0.00 IA5 0.00 3529,~~672~~004,~~045~~030.7369 6,~~889~~824,~~349~~080.2724 0.00 IA6 0.00 8,724,000.00 38,167.50 0.00 IA7 0.00 17,437,000.00 76,286.8887 0.00 IA8 0.00 32,~~367~~737,000.00 ~~650~~644,~~500~~730.0062 0.00 IA9 0.00 5,000,000.00 21,875.00 0.00 IA10 0.00 3,000,000.00 13,125.00 0.00 IA11 0.00 1411,~~731~~977,~~470~~783.6511 2,~~815~~792,~~196~~971.0246 0.00 IA12 0.00 54,~~822~~734,~~437~~075.8473 1,~~152~~137,~~561~~467.4800 0.00 IA13 0.00 ~~491~~399,~~049~~259.5889 9695,~~659~~472.4356 0.00 IA14 0.00 1,855,000.00 8,115.62 0.00 IA15 0.00 6867,~~045~~547,~~058~~075.5178 ~~617~~668,~~168~~095.9937 0.00 IA16 0.00 119,~~785~~582,~~176~~226.5249 2,~~246~~229,~~323~~466.4868 0.00 IA17 0.00 1,~~262~~026,~~697~~667.4812 ~~240~~238,~~815~~766.0287 0.00 IA18 0.00 ~~420~~342,~~899~~222.1637 8483,~~338~~306.3402 0.00 IA19 0.00 20,000,000.00 87,500.00 0.00 IA20 0.00 43,~~396~~574,~~057~~322.7243 ~~876~~863,~~330~~965.9550 0.00 IA21 0.00 ~~654~~532,~~732~~346.2207 ~~128~~127,~~879~~296.1264 0.00 IA22 0.00 44,662,000.00 167,482.50 0.00 IA23 0.00 2,386,000.00 10,438.75 0.00 IP 0.00 ~~174~~167,~~983~~879.5797 ~~201~~7,103.6860 0.00 IIA1 0.00 5453,~~236~~302,~~591~~161.7607 21,~~796~~149,~~742~~117.0919 0.00 AR 0.00 0.00 500.2000 0.00 IIP 0.00 89,~~805~~457.3598 ~~345~~347.9538 0.00 IX 0.00 0.00 ~~144~~138,~~855~~112.9416 0.00 IIX 0.00 0.00 1918,~~747~~510.8037 0.00 CB1 0.00 6,~~211~~203,~~896~~339.6602 35,~~379~~393.4921 0.00 CB2 0.00 2,~~440~~437,~~387~~025.8390 13,~~899~~904.0847 0.00 CB3 0.00 1,~~996~~993,~~680~~929.5083 11,~~371~~376.9739 0.00 CB4 0.00 443,~~706~~095.3307 2,~~527~~528.1108 0.00 CB5 0.00 ~~887~~886,~~413~~191.6715 5,~~054~~056.2117 0.00 CB6 0.00 ~~671~~670,~~412~~487.4853 3,~~823~~825.9947 0.00 Totals 0.00 ~~426~~409,~~250~~813,~~477~~721.2624 2018,~~147~~433,~~085~~771.6283 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) IA1 48,365,000.00 48,~~365~~279,~~000~~171.0084 2,~~131~~295.2019 8393,~~696~~549.9609 0.00 0.00 IA2 0.00 0.00 0.00 0.00 0.00 0.00 IA3 26,204,000.00 26,~~204~~033,~~000~~868.0086 4,~~224~~549.5359 ~~165~~185,~~906~~435.6180 0.00 0.00 IA4 35,071,933.00 35,071,933.00 0.00 0.00 0.00 0.00 IA5 42,376,000.00 4235,~~376~~672,~~000~~045.0073 ~~166~~159,~~465~~679.9224 6,~~537~~508,~~488~~335.3580 0.00 0.00 IA6 8,724,000.00 8,724,000.00 0.00 0.00 0.00 0.00 IA7 17,437,000.00 17,437,000.00 0.00 0.00 0.00 0.00 IA8 4,000,000.00 43,~~000~~367,000.00 15,~~718~~086.0364 ~~617~~614,~~281~~913.9736 0.00 0.00 IA9 5,000,000.00 5,000,000.00 0.00 0.00 0.00 0.00 IA10 3,000,000.00 3,000,000.00 0.00 0.00 0.00 0.00 IA11 17,500,000.00 1714,~~500~~731,~~000~~470.0065 6865,~~745~~942.3667 2,~~699~~687,~~783~~744.9887 0.00 0.00 IA12 6,916,666.00 65,~~916~~822,~~666~~437.0084 2726,~~170~~063.7805 1,~~067~~062,~~057~~299.3806 0.00 0.00 IA13 583,334.00 ~~583~~491,~~334~~049.0058 2,~~291~~198.5109 89,~~992~~591.9060 0.00 0.00 IA14 1,855,000.00 1,855,000.00 0.00 0.00 0.00 0.00 IA15 68,491,000.00 68,~~491~~045,~~000~~058.0051 11,~~073~~925.1821 ~~434~~486,~~868~~057.3251 0.00 0.00 IA16 14,000,000.00 1411,~~000~~785,~~000~~176.0052 5452,~~996~~754.2914 2,~~159~~150,~~827~~195.1989 0.00 0.00 IA17 1,500,000.00 1,~~500~~262,~~000~~697.0048 5,~~892~~652.4623 ~~231~~230,~~410~~378.0613 0.00 0.00 IA18 500,000.00 ~~500~~420,~~000~~899.0016 1,~~964~~884.1508 7776,~~136~~792.6971 0.00 0.00 IA19 20,000,000.00 20,000,000.00 0.00 0.00 0.00 0.00 IA20 5,222,222.00 54,~~222~~396,~~222~~057.0072 2019,~~514~~678.4913 ~~805~~802,~~649~~057.7916 0.00 0.00 IA21 777,778.00 ~~777~~654,~~778~~732.0022 32,~~055~~930.3579 119,~~990~~455.4336 0.00 0.00 IA22 44,662,000.00 44,662,000.00 0.00 0.00 0.00 0.00 IA23 2,386,000.00 2,386,000.00 0.00 0.00 0.00 0.00 IP 175,185.25 ~~175~~174,~~185~~983.2557 ~~198~~199.7566 26,903.9394 0.00 0.00 IIA1 56,808,467.00 5654,~~808~~236,~~467~~591.0076 ~~205~~198,~~127~~003.1151 2736,~~366,748~~427.1318 0.00 0.00 AR 50.00 500.00 30.9900 460.0100 0.00 0.00 IIP 90,151.30 9089,~~151~~805.3035 ~~345~~347.9538 0.00 0.00 0.00 CB1 6,220,404.00 6,~~220~~211,~~404~~896.0066 8,~~507~~557.3464 0.00 0.00 0.00 CB2 2,443,730.00 2,~~443~~440,~~730~~387.0083 3,~~342~~361.1793 0.00 0.00 0.00 CB3 1,999,415.00 1,~~999~~996,~~415~~680.0050 2,~~734~~750.5067 0.00 0.00 0.00 CB4 444,314.00 ~~444~~443,~~314~~706.0033 ~~607~~611.6726 0.00 0.00 0.00 CB5 888,629.00 ~~888~~887,~~629~~413.0067 1,~~215~~222.3352 0.00 0.00 0.00 CB6 672,332.00 ~~672~~671,~~332~~412.0048 ~~919~~924.5295 0.00 0.00 0.00 Totals 444,314,610.55 ~~444~~426,~~314~~250,~~610~~477.5526 ~~607~~586,~~245~~618.5857 1715,~~456~~850,~~887~~137.7046 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 IA1 8595,~~828~~844.1628 48,~~279~~183,~~171~~327.8456 0.~~99822541~~99624372 8595,~~828~~844.1628 IA2 0.00 0.00 0.00000000 0.00 IA3 ~~170~~189,~~131~~985.1438 2625,~~033~~843,~~868~~883.8648 0.~~99350744~~98625719 ~~170~~189,~~131~~985.1438 IA4 0.00 35,071,933.00 1.00000000 0.00 IA5 6,~~703~~668,~~954~~015.2704 3529,~~672~~004,~~045~~030.7369 0.~~84179832~~68444475 6,~~703~~668,~~954~~015.2704 IA6 0.00 8,724,000.00 1.00000000 0.00 IA7 0.00 17,437,000.00 1.00000000 0.00 IA8 ~~633~~630,000.00 32,~~367~~737,000.00 0.~~84175000~~68425000 ~~633~~630,000.00 IA9 0.00 5,000,000.00 1.00000000 0.00 IA10 0.00 3,000,000.00 1.00000000 0.00 IA11 2,~~768~~753,~~529~~687.3554 1411,~~731~~977,~~470~~783.6511 0.~~84179832~~68444475 2,~~768~~753,~~529~~687.3554 IA12 1,~~094~~088,~~228~~362.1611 54,~~822~~734,~~437~~075.8473 0.~~84179832~~68444475 1,~~094~~088,~~228~~362.1611 IA13 9291,~~284~~789.4269 ~~491~~399,~~049~~259.5889 0.~~84179832~~68444474 9291,~~284~~789.4269 IA14 0.00 1,855,000.00 1.00000000 0.00 IA15 ~~445~~497,~~941~~982.4973 6867,~~045~~547,~~058~~075.5178 0.~~99348905~~98621827 ~~445~~497,~~941~~982.4973 IA16 2,~~214~~202,~~823~~950.4803 119,~~785~~582,~~176~~226.5249 0.~~84179832~~68444475 2,~~214~~202,~~823~~950.4803 IA17 ~~237~~236,~~302~~030.5236 1,~~262~~026,~~697~~667.4812 0.~~84179832~~68444475 ~~237~~236,~~302~~030.5236 IA18 7978,~~100~~676.8479 ~~420~~342,~~899~~222.1637 0.~~84179832~~68444474 7978,~~100~~676.8479 IA19 0.00 20,000,000.00 1.00000000 0.00 IA20 ~~826~~821,~~164~~735.2829 43,~~396~~574,~~057~~322.7243 0.~~84179832~~68444475 ~~826~~821,~~164~~735.2829 IA21 ~~123~~122,~~045~~386.7815 ~~654~~532,~~732~~346.2207 0.~~84179833~~68444475 ~~123~~122,~~045~~386.7815 IA22 0.00 44,662,000.00 1.00000000 0.00 IA23 0.00 2,386,000.00 1.00000000 0.00 IP ~~201~~7,103.6860 ~~174~~167,~~983~~879.5797 0.~~99884876~~95829969 ~~201~~7,103.6860 IIA1 2934,~~571,875~~430.2469 5453,~~236~~302,~~591~~161.7607 0.~~95472726~~93827846 2934,~~571,875~~430.2469 AR 500.00 0.00 0.00000000 500.00 IIP ~~345~~347.9538 89,~~805~~457.3598 0.~~99616256~~99230937 ~~345~~347.9538 CB1 8,~~507~~557.3464 6,~~211~~203,~~896~~339.6602 0.~~99863235~~99725661 8,~~507~~557.3464 CB2 3,~~342~~361.1793 2,~~440~~437,~~387~~025.8390 0.~~99863235~~99725661 3,~~342~~361.1793 CB3 2,~~734~~750.5067 1,~~996~~993,~~680~~929.5083 0.~~99863235~~99725661 2,~~734~~750.5067 CB4 ~~607~~611.6726 443,~~706~~095.3307 0.~~99863234~~99725660 ~~607~~611.6726 CB5 1,~~215~~222.3352 ~~887~~886,~~413~~191.6715 0.~~99863235~~99725662 1,~~215~~222.3352 CB6 ~~919~~924.5295 ~~671~~670,~~412~~487.4853 0.~~99863234~~99725661 ~~919~~924.5295 Totals 1816,~~064~~436,~~133~~756.2903 ~~426~~409,~~250~~813,~~477~~721.2624 0.~~95934382~~92235032 1816,~~064~~436,~~133~~756.2903

Principal Distribution Factors Statement Original Beginning Scheduled Unscheduled Face Certificate Principal Principal Class (2) Amount Balance Distribution Distribution Accretion IA1 48,365,000.00 ~~1000~~998.~~00000000~~22540763 0.~~04406492~~04745560 1.~~73052745~~93423116 0.00000000 IA2 0.00 0.00000000 0.00000000 0.00000000 0.00000000 IA3 26,204,000.00 ~~1000~~993.~~00000000~~50743627 0.~~16121699~~17362197 67.~~33134674~~07662189 0.00000000 IA4 35,071,933.00 1000.00000000 0.00000000 0.00000000 0.00000000 IA5 42,376,000.00 ~~1000~~841.~~00000000~~79832287 3.~~92830659~~76815273 ~~154~~153.~~27337054~~58542099 0.00000000 IA6 8,724,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 IA7 17,437,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 IA8 4,000,000.00 ~~1000~~841.~~00000000~~75000000 3.~~92950750~~77166000 ~~154~~153.~~32049250~~72834000 0.00000000 IA9 5,000,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 IA10 3,000,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 IA11 17,500,000.00 ~~1000~~841.~~00000000~~79832286 3.~~92830629~~76815257 ~~154~~153.~~27337029~~58542114 0.00000000 IA12 6,916,666.00 ~~1000~~841.~~00000000~~79832306 3.~~92830592~~76815217 ~~154~~153.~~27337101~~58542107 0.00000000 IA13 583,334.00 ~~1000~~841.~~00000000~~79831794 3.~~92829837~~76814998 ~~154~~153.~~27336654~~58542447 0.00000000 IA14 1,855,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 IA15 68,491,000.00 ~~1000~~993.~~00000000~~48904980 0.~~16167350~~17411353 67.~~34927684~~09666248 0.00000000 IA16 14,000,000.00 ~~1000~~841.~~00000000~~79832286 3.~~92830643~~76815286 ~~154~~153.~~27337071~~58542071 0.00000000 IA17 1,500,000.00 ~~1000~~841.~~00000000~~79832000 3.~~92830667~~76815333 ~~154~~153.~~27337333~~58542000 0.00000000 IA18 500,000.00 ~~1000~~841.~~00000000~~79832000 3.~~92830000~~76816000 ~~154~~153.~~27338000~~58542000 0.00000000 IA19 20,000,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 IA20 5,222,222.00 ~~1000~~841.~~00000000~~79832263 3.~~92830676~~76815271 ~~154~~153.~~27337061~~58542015 0.00000000 IA21 777,778.00 ~~1000~~841.~~00000000~~79832806 3.~~92830602~~76815749 ~~154~~153.~~27336592~~58541898 0.00000000 IA22 44,662,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 IA23 2,386,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 IP 175,185.25 ~~1000~~998.~~00000000~~84876153 1.~~13451332~~13970782 039.~~01672515~~40936808 0.00000000 IIA1 56,808,467.00 ~~1000~~954.~~00000000~~72725501 3.~~61085452~~48545772 4112.~~66189047~~96333485 0.00000000 AR 50.00 ~~1000~~0.00000000 790.~~80000000~~00000000 ~~920~~0.~~20000000~~00000000 0.00000000 IIP 90,151.30 ~~1000~~996.~~00000000~~16256227 3.~~83743773~~85329995 0.00000000 0.00000000 IX 0.00 0.00000000 0.00000000 0.00000000 0.00000000 IIX 0.00 0.00000000 0.00000000 0.00000000 0.00000000 CB1 6,220,404.00 ~~1000~~998.~~00000000~~63234928 1.~~36765072~~37573701 0.00000000 0.00000000 CB2 2,443,730.00 ~~1000~~998.~~00000000~~63234891 1.~~36765109~~37573709 0.00000000 0.00000000 CB3 1,999,415.00 ~~1000~~998.~~00000000~~63234996 1.~~36765004~~37573740 0.00000000 0.00000000 CB4 444,314.00 ~~1000~~998.~~00000000~~63234109 1.~~36765891~~37573878 0.00000000 0.00000000 CB5 888,629.00 ~~1000~~998.~~00000000~~63235388 1.~~36764612~~37573723 0.00000000 0.00000000 CB6 672,332.00 ~~1000~~998.~~00000000~~63234235 1.~~36765765~~37573401 0.00000000 0.00000000 (2) All Classes are per $1,000 denomination

Principal Distribution Factors Statement (continued) Total Ending Ending Total Realized Principal Certificate Certificate Principal Class Loss (3) Reduction Balance Percentage Distribution IA1 0.00000000 1.~~77459237~~98168676 ~~998~~996.~~22540763~~24372087 0.~~99822541~~99624372 1.~~77459237~~98168676 IA2 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 IA3 0.00000000 67.~~49256373~~25024347 ~~993~~986.~~50743627~~25719279 0.~~99350744~~98625719 67.~~49256373~~25024347 IA4 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 IA5 0.00000000 ~~158~~157.~~20167713~~35357372 ~~841~~684.~~79832287~~44474915 0.~~84179832~~68444475 ~~158~~157.~~20167713~~35357372 IA6 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 IA7 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 IA8 0.00000000 ~~158~~157.~~25000000~~50000000 ~~841~~684.~~75000000~~25000000 0.~~84175000~~68425000 ~~158~~157.~~25000000~~50000000 IA9 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 IA10 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 IA11 0.00000000 ~~158~~157.~~20167714~~35357371 ~~841~~684.~~79832286~~44474914 0.~~84179832~~68444475 ~~158~~157.~~20167714~~35357371 IA12 0.00000000 ~~158~~157.~~20167694~~35357324 ~~841~~684.~~79832306~~44474983 0.~~84179832~~68444475 ~~158~~157.~~20167694~~35357324 IA13 0.00000000 ~~158~~157.~~20168206~~35357445 ~~841~~684.~~79831794~~44474349 0.~~84179832~~68444474 ~~158~~157.~~20168206~~35357445 IA14 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 IA15 0.00000000 67.~~51095020~~27077616 ~~993~~986.~~48904980~~21827364 0.~~99348905~~98621827 67.~~51095020~~27077616 IA16 0.00000000 ~~158~~157.~~20167714~~35357357 ~~841~~684.~~79832286~~44474929 0.~~84179832~~68444475 ~~158~~157.~~20167714~~35357357 IA17 0.00000000 ~~158~~157.~~20168000~~35357333 ~~841~~684.~~79832000~~44474667 0.~~84179832~~68444475 ~~158~~157.~~20168000~~35357333 IA18 0.00000000 ~~158~~157.~~20168000~~35358000 ~~841~~684.~~79832000~~44474000 0.~~84179832~~68444474 ~~158~~157.~~20168000~~35358000 IA19 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 IA20 0.00000000 ~~158~~157.~~20167737~~35357287 ~~841~~684.~~79832263~~44474976 0.~~84179832~~68444475 ~~158~~157.~~20167737~~35357287 IA21 0.00000000 ~~158~~157.~~20167194~~35357647 ~~841~~684.~~79832806~~44475159 0.~~84179833~~68444475 ~~158~~157.~~20167194~~35357647 IA22 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 IA23 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 IP 0.00000000 140.~~15123847~~54907591 ~~998~~958.~~84876153~~29968562 0.~~99884876~~95829969 140.~~15123847~~54907591 IIA1 0.00000000 4516.~~27274499~~44879257 ~~954~~938.~~72725501~~27846243 0.~~95472726~~93827846 4516.~~27274499~~44879257 AR 0.00000000 ~~1,000~~0.00000000 0.00000000 0.00000000 ~~1,000~~0.00000000 IIP 0.00000000 3.~~83743773~~85329995 ~~996~~992.~~16256227~~30937324 0.~~99616256~~99230937 3.~~83743773~~85329995 IX 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 IIX 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 CB1 0.00000000 1.~~36765072~~37573701 ~~998~~997.~~63234928~~25661227 0.~~99863235~~99725661 1.~~36765072~~37573701 CB2 0.00000000 1.~~36765109~~37573709 ~~998~~997.~~63234891~~25661182 0.~~99863235~~99725661 1.~~36765109~~37573709 CB3 0.00000000 1.~~36765004~~37573740 ~~998~~997.~~63234996~~25661256 0.~~99863235~~99725661 1.~~36765004~~37573740 CB4 0.00000000 1.~~36765891~~37573878 ~~998~~997.~~63234109~~25660231 0.~~99863234~~99725660 1.~~36765891~~37573878 CB5 0.00000000 1.~~36764612~~37573723 ~~998~~997.~~63235388~~25661665 0.~~99863235~~99725662 1.~~36764612~~37573723 CB6 0.00000000 1.~~36765765~~37573401 ~~998~~997.~~63234235~~25660834 0.~~99863234~~99725661 1.~~36765765~~37573401 (3) Amount Does Not Include Excess Special Hazard, ~~Bankrupcy~~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 IA1 48,365,000.00 3.85000% 48,~~365~~279,~~000~~171.0084 ~~155~~154,~~171~~895.0468 0.00 0.00 IA2 0.00 5.25000% 52,~~374~~136,~~333~~023.3359 ~~229~~228,~~137~~095.7110 0.00 0.00 IA3 26,204,000.00 4.50000% 26,~~204~~033,~~000~~868.0086 9897,~~265~~627.0001 0.00 0.00 IA4 35,071,933.00 5.25000% 35,071,933.00 153,439.71 0.00 0.00 IA5 42,376,000.00 5.25000% 4235,~~376~~672,~~000~~045.0073 ~~185~~156,~~395~~065.0020 0.00 0.00 IA6 8,724,000.00 5.25000% 8,724,000.00 38,167.50 0.00 0.00 IA7 17,437,000.00 5.25000% 17,437,000.00 76,286.88 0.00 0.00 IA8 4,000,000.00 5.25000% 43,~~000~~367,000.00 1714,~~500~~730.0063 0.00 0.00 IA9 5,000,000.00 5.25000% 5,000,000.00 21,875.00 0.00 0.00 IA10 3,000,000.00 5.25000% 3,000,000.00 13,125.00 0.00 0.00 IA11 17,500,000.00 3.20000% 1714,~~500~~731,~~000~~470.0065 4639,~~666~~283.6792 0.00 0.00 IA12 6,916,666.00 10.12048% 65,~~916~~822,~~666~~437.0084 5849,~~333~~104.3289 0.00 0.00 IA13 583,334.00 9.00000% ~~583~~491,~~334~~049.0058 43,~~375~~682.0187 0.00 0.00 IA14 1,855,000.00 5.25000% 1,855,000.00 8,115.63 0.00 0.00 IA15 68,491,000.00 3.00000% 68,~~491~~045,~~000~~058.0051 ~~171~~170,~~227~~112.5065 0.00 0.00 IA16 14,000,000.00 2.70000% 1411,~~000~~785,~~000~~176.0052 3126,~~500~~516.0065 0.00 0.00 IA17 1,500,000.00 2.~~81000~~60063% 1,~~500~~262,~~000~~697.0048 32,~~512~~736.5051 0.00 0.00 IA18 500,000.00 1213.~~57000~~19811% ~~500~~420,~~000~~899.0016 54,~~237~~629.5023 0.00 0.00 IA19 20,000,000.00 5.25000% 20,000,000.00 87,500.00 0.00 0.00 IA20 5,222,222.00 11.52766% 54,~~222~~396,~~222~~057.0072 5042,~~166~~230.6722 0.00 0.00 IA21 777,778.00 9.00000% ~~777~~654,~~778~~732.0022 54,~~833~~910.3449 0.00 0.00 IA22 44,662,000.00 4.50000% 44,662,000.00 167,482.50 0.00 0.00 IA23 2,386,000.00 5.25000% 2,386,000.00 10,438.75 0.00 0.00 IP 175,185.25 0.00000% ~~175~~174,~~185~~983.2557 0.00 0.00 0.00 IIA1 56,808,467.00 4.75000% 5654,~~808~~236,~~467~~591.0076 ~~224~~214,~~866~~686.8551 0.00 0.00 AR 50.00 4.75000% 500.00 0.2000 0.00 0.00 IIP 90,151.30 0.00000% 9089,~~151~~805.3035 0.00 0.00 0.00 IX 0.00 5.25000% 3331,~~109~~568,~~929~~494.5185 ~~144~~138,~~855~~112.9416 0.00 0.00 IIX 0.00 4.75000% 4,~~988~~676,~~918~~303.9490 1918,~~747~~510.8037 0.00 0.00 CB1 6,220,404.00 5.~~18400~~18403% 6,~~220~~211,~~404~~896.0066 26,~~872~~835.1557 0.00 0.00 CB2 2,443,730.00 5.~~18400~~18403% 2,~~443~~440,~~730~~387.0083 10,~~556~~542.9154 0.00 0.00 CB3 1,999,415.00 5.~~18400~~18403% 1,~~999~~996,~~415~~680.0050 8,~~637~~625.4772 0.00 0.00 CB4 444,314.00 5.~~18400~~18403% ~~444~~443,~~314~~706.0033 1,~~919~~916.4482 0.00 0.00 CB5 888,629.00 5.~~18400~~18403% ~~888~~887,~~629~~413.0067 3,~~838~~833.8865 0.00 0.00 CB6 672,332.00 5.~~18400~~18403% ~~672~~671,~~332~~412.0048 2,~~904~~900.4752 0.00 0.00 Totals 444,314,610.55 21,~~082~~997,~~952~~015.3488 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 IA1 0.00 0.00 ~~155~~154,~~171~~895.0467 0.00 48,~~279~~183,~~171~~327.8456 IA2 0.00 0.00 ~~229~~228,~~137~~095.7110 0.00 5251,~~136~~869,~~023~~903.5918 IA3 0.00 0.00 9897,~~265~~627.0001 0.00 2625,~~033~~843,~~868~~883.8648 IA4 0.00 0.00 153,439.7170 0.00 35,071,933.00 IA5 0.00 0.00 ~~185~~156,~~395~~065.0020 0.00 3529,~~672~~004,~~045~~030.7369 IA6 0.00 0.00 38,167.50 0.00 8,724,000.00 IA7 0.00 0.00 76,286.8887 0.00 17,437,000.00 IA8 0.00 0.00 1714,~~500~~730.0062 0.00 32,~~367~~737,000.00 IA9 0.00 0.00 21,875.00 0.00 5,000,000.00 IA10 0.00 0.00 13,125.00 0.00 3,000,000.00 IA11 0.00 0.00 4639,~~666~~283.6792 0.00 1411,~~731~~977,~~470~~783.6511 IA12 0.00 0.00 5849,~~333~~104.3289 0.00 54,~~822~~734,~~437~~075.8473 IA13 0.00 0.00 43,~~375~~682.0187 0.00 ~~491~~399,~~049~~259.5889 IA14 0.00 0.00 8,115.62 0.00 1,855,000.00 IA15 0.00 0.00 ~~171~~170,~~227~~112.5064 0.00 6867,~~045~~547,~~058~~075.5178 IA16 0.00 0.00 3126,~~500~~516.0065 0.00 119,~~785~~582,~~176~~226.5249 IA17 0.00 0.00 32,~~512~~736.5051 0.00 1,~~262~~026,~~697~~667.4812 IA18 0.00 0.00 54,~~237~~629.5023 0.00 ~~420~~342,~~899~~222.1637 IA19 0.00 0.00 87,500.00 0.00 20,000,000.00 IA20 0.00 0.00 5042,~~166~~230.6721 0.00 43,~~396~~574,~~057~~322.7243 IA21 0.00 0.00 54,~~833~~910.3449 0.00 ~~654~~532,~~732~~346.2207 IA22 0.00 0.00 167,482.50 0.00 44,662,000.00 IA23 0.00 0.00 10,438.75 0.00 2,386,000.00 IP 0.00 0.00 0.00 0.00 ~~174~~167,~~983~~879.5797 IIA1 0.00 0.00 ~~224~~214,~~866~~686.8550 0.00 5453,~~236~~302,~~591~~161.7607 AR 0.00 0.00 0.2000 0.00 0.00 IIP 0.00 0.00 0.00 0.00 89,~~805~~457.3598 IX 0.00 0.00 ~~144~~138,~~855~~112.9416 0.00 3129,~~568~~856,~~494~~455.8564 IIX 0.00 0.00 1918,~~747~~510.8037 0.00 4,~~676~~606,~~303~~670.9080 CB1 0.00 0.00 26,~~872~~835.1557 0.00 6,~~211~~203,~~896~~339.6602 CB2 0.00 0.00 10,~~556~~542.9154 0.00 2,~~440~~437,~~387~~025.8390 CB3 0.00 0.00 8,~~637~~625.4772 0.00 1,~~996~~993,~~680~~929.5083 CB4 0.00 0.00 1,~~919~~916.4482 0.00 443,~~706~~095.3307 CB5 0.00 0.00 3,~~838~~833.8865 0.00 ~~887~~886,~~413~~191.6715 CB6 0.00 0.00 2,~~904~~900.4752 0.00 ~~671~~670,~~412~~487.4853 Totals 0.00 0.00 21,~~082~~997,~~952~~015.3380 0.00 (4) Amount Does Not Include Excess Special Hazard, ~~Bankrupcy~~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 IA1 48,365,000.00 3.85000% ~~1000~~998.~~00000000~~22540763 3.~~20833330~~20263993 0.00000000 0.00000000 IA2 0.00 5.25000% ~~1000~~995.~~00000000~~44987545 4.~~37500003~~35509314 0.00000000 0.00000000 IA3 26,204,000.00 4.50000% ~~1000~~993.~~00000000~~50743627 3.~~75000000~~72565295 0.00000000 0.00000000 IA4 35,071,933.00 5.25000% 1000.00000000 4.37500009 0.00000000 0.00000000 IA5 42,376,000.00 5.25000% ~~1000~~841.~~00000000~~79832287 43.~~37500000~~68286766 0.00000000 0.00000000 IA6 8,724,000.00 5.25000% 1000.00000000 4.37500000 0.00000000 0.00000000 IA7 17,437,000.00 5.25000% 1000.00000000 4.37500029 0.00000000 0.00000000 IA8 4,000,000.00 5.25000% ~~1000~~841.~~00000000~~75000000 43.~~37500000~~68265750 0.00000000 0.00000000 IA9 5,000,000.00 5.25000% 1000.00000000 4.37500000 0.00000000 0.00000000 IA10 3,000,000.00 5.25000% 1000.00000000 4.37500000 0.00000000 0.00000000 IA11 17,500,000.00 3.20000% ~~1000~~841.~~00000000~~79832286 2.~~66666686~~24479543 0.00000000 0.00000000 IA12 6,916,666.00 10.12048% ~~1000~~841.~~00000000~~79832306 87.~~43373382~~09950285 0.00000000 0.00000000 IA13 583,334.00 9.00000% ~~1000~~841.~~00000000~~79831794 76.~~50000857~~31348421 0.00000000 0.00000000 IA14 1,855,000.00 5.25000% 1000.00000000 4.37500270 0.00000000 0.00000000 IA15 68,491,000.00 3.00000% ~~1000~~993.~~00000000~~48904980 2.~~50000000~~48372268 0.00000000 0.00000000 IA16 14,000,000.00 2.70000% ~~1000~~841.~~00000000~~79832286 21.~~25000000~~89404643 0.00000000 0.00000000 IA17 1,500,000.00 2.~~81000~~60063% ~~1000~~841.~~00000000~~79832000 21.~~34166667~~82434000 0.00000000 0.00000000 IA18 500,000.00 1213.~~57000~~19811% ~~1000~~841.~~00000000~~79832000 109.~~47500000~~25846000 0.00000000 0.00000000 IA19 20,000,000.00 5.25000% 1000.00000000 4.37500000 0.00000000 0.00000000 IA20 5,222,222.00 11.52766% ~~1000~~841.~~00000000~~79832263 98.~~60638403~~08663822 0.00000000 0.00000000 IA21 777,778.00 9.00000% ~~1000~~841.~~00000000~~79832806 76.~~50000643~~31348534 0.00000000 0.00000000 IA22 44,662,000.00 4.50000% 1000.00000000 3.75000000 0.00000000 0.00000000 IA23 2,386,000.00 5.25000% 1000.00000000 4.37500000 0.00000000 0.00000000 IP 175,185.25 0.00000% ~~1000~~998.~~00000000~~84876153 0.00000000 0.00000000 0.00000000 IIA1 56,808,467.00 4.75000% ~~1000~~954.~~00000000~~72725501 3.~~95833336~~77912873 0.00000000 0.00000000 AR 50.00 4.75000% ~~1000~~0.00000000 40.00000000 0.00000000 0.00000000 IIP 90,151.30 0.00000% ~~1000~~996.~~00000000~~16256227 0.00000000 0.00000000 0.00000000 IX 0.00 5.25000% ~~1000~~953.~~00000000~~44494287 4.~~37499995~~17132147 0.00000000 0.00000000 IIX 0.00 4.75000% ~~1000~~937.~~00000000~~33811999 3.~~95833250~~71029680 0.00000000 0.00000000 CB1 6,220,404.00 5.~~18400~~18403% ~~1000~~998.~~00000000~~63234928 4.~~32000076~~31412011 0.00000000 0.00000000 CB2 2,443,730.00 5.~~18400~~18403% ~~1000~~998.~~00000000~~63234891 4.~~31999853~~31411817 0.00000000 0.00000000 CB3 1,999,415.00 5.~~18400~~18403% ~~1000~~998.~~00000000~~63234996 4.~~31999860~~31412188 0.00000000 0.00000000 CB4 444,314.00 5.~~18400~~18403% ~~1000~~998.~~00000000~~63234109 4.~~32000792~~31411119 0.00000000 0.00000000 CB5 888,629.00 5.~~18400~~18403% ~~1000~~998.~~00000000~~63235388 4.~~32000306~~31411759 0.00000000 0.00000000 CB6 672,332.00 5.~~18400~~18403% ~~1000~~998.~~00000000~~63234235 4.~~31999369~~31411862 0.00000000 0.00000000 (5) All Classes are per $1,000 denomination

Interest Distribution Factors Statement (continued) Remaining Ending Non-Supported Total Unpaid Certificate/ Interest Realized Interest Interest Notional Class Shortfall Losses (6) Distribution Shortfall Balance IA1 0.00000000 0.00000000 3.~~20833330~~20263972 0.00000000 ~~998~~996.~~22540763~~24372087 IA2 0.00000000 0.00000000 4.~~37500003~~35509314 0.00000000 ~~995~~990.~~44987545~~36875282 IA3 0.00000000 0.00000000 3.~~75000000~~72565295 0.00000000 ~~993~~986.~~50743627~~25719279 IA4 0.00000000 0.00000000 4.~~37500009~~37499980 0.00000000 1000.00000000 IA5 0.00000000 0.00000000 43.~~37500000~~68286766 0.00000000 ~~841~~684.~~79832287~~44474915 IA6 0.00000000 0.00000000 4.37500000 0.00000000 1000.00000000 IA7 0.00000000 0.00000000 4.~~37500029~~37499971 0.00000000 1000.00000000 IA8 0.00000000 0.00000000 43.~~37500000~~68265500 0.00000000 ~~841~~684.~~75000000~~25000000 IA9 0.00000000 0.00000000 4.37500000 0.00000000 1000.00000000 IA10 0.00000000 0.00000000 4.37500000 0.00000000 1000.00000000 IA11 0.00000000 0.00000000 2.~~66666686~~24479543 0.00000000 ~~841~~684.~~79832286~~44474914 IA12 0.00000000 0.00000000 87.~~43373382~~09950285 0.00000000 ~~841~~684.~~79832306~~44474983 IA13 0.00000000 0.00000000 76.~~50000857~~31348421 0.00000000 ~~841~~684.~~79831794~~44474349 IA14 0.00000000 0.00000000 4.37499730 0.00000000 1000.00000000 IA15 0.00000000 0.00000000 2.~~50000000~~48372253 0.00000000 ~~993~~986.~~48904980~~21827364 IA16 0.00000000 0.00000000 21.~~25000000~~89404643 0.00000000 ~~841~~684.~~79832286~~44474929 IA17 0.00000000 0.00000000 21.~~34166667~~82434000 0.00000000 ~~841~~684.~~79832000~~44474667 IA18 0.00000000 0.00000000 109.~~47500000~~25846000 0.00000000 ~~841~~684.~~79832000~~44474000 IA19 0.00000000 0.00000000 4.37500000 0.00000000 1000.00000000 IA20 0.00000000 0.00000000 98.~~60638403~~08663630 0.00000000 ~~841~~684.~~79832263~~44474976 IA21 0.00000000 0.00000000 76.~~50000643~~31348534 0.00000000 ~~841~~684.~~79832806~~44475159 IA22 0.00000000 0.00000000 3.75000000 0.00000000 1000.00000000 IA23 0.00000000 0.00000000 4.37500000 0.00000000 1000.00000000 IP 0.00000000 0.00000000 0.00000000 0.00000000 ~~998~~958.~~84876153~~29968562 IIA1 0.00000000 0.00000000 3.~~95833336~~77912856 0.00000000 ~~954~~938.~~72725501~~27846243 AR 0.00000000 0.00000000 40.00000000 0.00000000 0.00000000 IIP 0.00000000 0.00000000 0.00000000 0.00000000 ~~996~~992.~~16256227~~30937324 IX 0.00000000 0.00000000 4.~~37499995~~17132147 0.00000000 ~~953~~901.~~44494287~~73721545 IIX 0.00000000 0.00000000 3.~~95833250~~71029680 0.00000000 ~~937~~923.~~33811999~~38056709 CB1 0.00000000 0.00000000 4.~~32000076~~31412011 0.00000000 ~~998~~997.~~63234928~~25661227 CB2 0.00000000 0.00000000 4.~~31999853~~31411817 0.00000000 ~~998~~997.~~63234891~~25661182 CB3 0.00000000 0.00000000 4.~~31999860~~31412188 0.00000000 ~~998~~997.~~63234996~~25661256 CB4 0.00000000 0.00000000 4.~~32000792~~31411119 0.00000000 ~~998~~997.~~63234109~~25660231 CB5 0.00000000 0.00000000 4.~~32000306~~31411759 0.00000000 ~~998~~997.~~63235388~~25661665 CB6 0.00000000 0.00000000 4.~~31999369~~31411862 0.00000000 ~~998~~997.~~63234235~~25660834 (6) Amount Does Not Include Excess Special Hazard, ~~Bankrupcy~~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 2018,~~224~~473,~~964~~101.2190 Liquidations, Insurance Proceeds, Reserve Funds 0.00 Proceeds from Repurchased Loans 0.00 Other Amounts (Servicer Advances) 3792,~~585~~385.2861 Realized Loss (Gains, Subsequent Expenses & Recoveries) 0.00 Prepayment Penalties 0.00 Total Deposits 2018,~~262~~565,~~549~~487.4951 Withdrawals Reimbursement for Servicer Advances 037,585.0028 Payment of Service Fee ~~115~~110,~~463~~660.8796 Payment of Interest and Principal 2018,~~147~~433,~~085~~771.6283 Total Withdrawals (Pool Distribution Amount) 2018,~~262~~582,~~549~~018.4907 Ending Balance 0.00

SERVICING FEES Gross Servicing Fee ~~109~~88,~~909~~802.9825 External MS Fee 16,530.56 Trustee Fee 5,~~553~~328.8915 Supported Prepayment/Curtailment Interest Shortfall 0.00 Net Servicing Fee ~~115~~110,~~463~~660.8796

OTHER ACCOUNTS Beginning Current Current Ending Account Type Balance Withdrawals Deposits Balance Class I-A-10 Rounding Account 999.99 0.00 0.00 999.99 Class I-A-8 Rounding Account ~~999~~806.9970 815.13 193.29 0184.0086 ~~806.70~~ Class I-A-9 Rounding Account 999.99 0.00 0.00 999.99

Delinquency Status By Groups

DELINQUENT BANKRUPTCY FORECLOSURE REO Total 1 No of Loans No of Loans No of Loans No of Loans No of Loans Principal Balance Principal Balance Principal Balance Principal Balance Principal Balance 0-29 Days 0 0 0 0 0.00 0.00 0.00 0.00 30 Days 1534 0 0 0 1534 615,~~577~~053,~~405~~351.9937 0.00 0.00 0.00 615,~~577~~053,~~405~~351.9937 60 Days 02 0 0 0 02 0896,686.0057 0.00 0.00 0.00 0896,686.0057 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 1536 0 0 0 1536 615,~~577~~950,~~405~~037.9994 0.00 0.00 0.00 615,~~577~~950,~~405~~037.9994 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 14.~~903553~~485488% 0.000000% 0.000000% 0.000000% 14.~~903553~~485488% 14.~~774960~~239409% 0.000000% 0.000000% 0.000000% 14.~~774960~~239409% 60 Days 0.~~000000~~263852% 0.000000% 0.000000% 0.000000% 0.~~000000~~263852% 0.~~000000~~252530% 0.000000% 0.000000% 0.000000% 0.~~000000~~252530% 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 14.~~903553~~749340% 0.000000% 0.000000% 0.000000% 14.~~903553~~749340% 14.~~774960~~491939% 0.000000% 0.000000% 0.000000% 14.~~774960~~491939% DELINQUENT BANKRUPTCY FORECLOSURE REO Total 2 No of Loans No of Loans No of Loans No of Loans No of Loans Principal Balance Principal Balance Principal Balance Principal Balance Principal Balance 0-29 Days 0 0 0 0 0.00 0.00 0.00 0.00 30 Days 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%

COLLATERAL STATEMENT Collateral Description Fixed & Balloon Weighted Average Gross Coupon 5.~~937169~~933628% Weighted Average Net Coupon 5.~~640325~~637091% Weighted Average Pass-Through Rate 5.~~625326~~622091% Weighted Average Maturity(Stepdown Calculation ) ~~332~~331 Beginning Scheduled Collateral Loan Count ~~932~~896 Number Of Loans Paid In Full 3632 Ending Scheduled Collateral Loan Count ~~896~~864 Beginning Scheduled Collateral Balance ~~444~~426,~~314~~250,~~610~~670.5558 Ending Scheduled Collateral Balance ~~426~~409,~~250~~814,~~670~~536.5838 Ending Actual Collateral Balance at 31-~~Jul~~Aug-2003 ~~426~~410,~~699~~295,~~077~~231.2149 Monthly P &I Constant 2,~~805~~694,~~554~~296.5817 Special Servicing Fee 0.00 Prepayment Penalties 0.00 Realized Loss Amount 0.00 Cumulative Realized Loss 0.00 Class A Optimal Amount 2018,~~074~~360,~~836~~872.4596 Ending Scheduled Balance for Premium Loans ~~426~~409,~~250~~814,~~670~~536.5838 Scheduled Principal ~~607~~586,~~245~~618.5857 Unscheduled Principal 1715,~~456~~849,~~694~~515.4063

~~Bankruptcy Loss Coverage Amount $100,000.00 Fraud Loss Coverage Amount $8,886,292.00 Special Hazard Loss Coverage Amount $6,797,466.00~~ Subsequent Losses (Total) $0.00 Subsequent Losses (Group 1) $0.00 Subsequent Losses (Group 2) $0.00 Subsequent Loss Recoveries (Total) $0.00 Subsequent Loss Recoveries (Group 1) $0.00 Subsequent Loss Recoveries (Group 2) $0.00 Current Period Net Losses (Total) $0.00 Current Period Net Losses (Group 1) $0.00 Current Period Net Losses (Group 2) $0.00 Repurchase Principal (Total) $0.00 Repurchase Principal (Group 1) $0.00 Repurchase Principal (Group 2) $0.00 Substitution Amounts (Total) $0.00 Substitution Amounts (Group 1) $0.00 Substitution Amounts (Group 2) $0.00 Net Liquidation Proceeds (Total) $0.00 Net Liquidation Proceeds (Group 1) $0.00 Net Liquidation Proceeds (Group 2) $0.00 Insurance Proceeds (Total) $0.00 Insurance Proceeds (Group 1) $0.00 Insurance Proceeds (Group 2) $0.00

Group Level Collateral Statement Group 1 2 Total Collateral Description Mixed Fixed Mixed Fixed Fixed & Balloon Weighted Average Coupon Rate 6.~~009872~~006737 5.~~458380~~450217 5.~~937169~~933628 Weighted Average Net Rate 5.~~712959~~756737 5.~~161992~~200217 5.~~640325~~637091 Weighted Average Maturity ~~356~~355 ~~177~~176 ~~332~~331 Beginning Loan Count ~~821~~788 ~~111~~108 ~~932~~896 Loans Paid In Full 3330 32 3632 Ending Loan Count ~~788~~758 ~~108~~106 ~~896~~864 Beginning Scheduled Balance ~~385~~370,~~740~~255,~~729~~109.4168 5855,~~573~~995,~~881~~560.1590 ~~444~~426,~~314~~250,~~610~~670.5658 Ending scheduled Balance ~~370~~354,~~255~~759,~~109~~847.6822 55,~~995~~054,~~560~~689.9016 ~~426~~409,~~250~~814,~~670~~536.5838 Record Date 0708/31/2003 0708/31/2003 0708/31/2003 Principal And Interest Constant 2,~~327~~235,~~596~~528.4130 ~~477~~458,~~958~~767.1787 2,~~805~~694,~~554~~296.5817 Scheduled Principal ~~395~~382,~~719~~174.4701 ~~211~~204,~~526~~444.1156 ~~607~~586,~~245~~618.5857 Unscheduled Principal 15,~~089~~113,~~900~~088.2645 2736,~~366,794~~427.1418 1715,~~456~~849,~~694~~515.4063 Scheduled Interest 1,~~931~~853,~~876~~354.9429 ~~266~~254,~~432~~323.0631 2,~~198~~107,~~309~~677.0060 Servicing Fees 8077,~~362~~136.6749 1211,~~202~~665.8875 9288,~~565~~802.5524 Master Servicing Fees 0.00 0.00 0.00 Trustee Fee 4,~~821~~628.7421 ~~732~~699.1594 5,~~553~~328.8915 FRY Amount 0.00 0.00 0.00 Special Hazard Fee 0.00 0.00 0.00 Other Fee 1514,~~080~~376.0592 2,~~264~~153.2066 1716,~~344~~530.2558 Pool Insurance Fee 0.00 0.00 0.00 Spread Fee 1 0.00 0.00 0.00 Spread Fee 2 0.00 0.00 0.00 Spread Fee 3 0.00 0.00 0.00 Net Interest 1,~~831~~757,~~612~~212.4867 ~~251~~239,~~232~~803.8396 21,~~082~~997,~~845~~016.3163 Realized Loss Amount 0.00 0.00 0.00 Cumulative Realized Loss 0.00 0.00 0.00 Percentage of Cumulative Losses 0.00 0.00 0.00 Prepayment Penalties 0.00 0.00 0.00 Special Servicing Fee 0.00 0.00 0.00 Pass-Through Rate 5.~~697959~~695141 5.~~146993~~139064 5.~~625326~~622091

Filing Compare · CSFB MORTGAGE BACKED PASS THROUGH CERTS SERIES 2003 19