Common use of FORM OF SERVICER INFORMATION Clause in Contracts

FORM OF SERVICER INFORMATION. The following information will be e-mailed to the Master Servicer by each Servicer, other than WMMSC, and to the Trust Administrator by the Master Servicer and WMMSC, in accordance with Section 4.05: Servicer Loan Number Trust Loan Number (if applicable) Scheduled Net Interest Scheduled Principal Curtailment Applied Curtailment Adjustment Mortgage Rate Servicing Fee Rate P&I Payment Beginning Scheduled Balance Ending Scheduled Balance Ending Actual Principal Balance Due Date Prepayment in full Principal Prepayment in full Net Interest Prepayment in full Penalty Delinquencies: 1-30 61-90 91 + Foreclosures REO Properties Loss Amounts & Loss Types (i.e., Bankruptcy, Excess, Deficient Valuation, Debt Reduction) Xxxxxxx Xxxxxx First Security Investor Reporting 150 Xxxxx Xxxxxx Xxxxx Chicago, IL 00000-0000 Phone No. 000-000-0000 Fax No. 312-425-4281 xxxxxxx@xxxx.xxx [name] JPMorgan Chase Bank [address] Phone No. [________] Fax No. [________] [email] Credit Suisse First Boston Mortgage Securities Corp. 11 Xxxxxxx Xxxxxx, 0xx Xxxxx Xxx Xxxx, Xxx Xxxx 00000 DLJ Mortgage Capital, Inc. 11 Xxxxxxx Xxxxxx, 0xx Xxxxx Xxx Xxxx, Xxx Xxxx 00000 Re: Pooling and Servicing Agreement (“Pooling and Servicing Agreement”) relating to [__________________] CSFB Mortgage-Backed Pass-Through Certificates, Series 200_-___ Ladies and Gentlemen: In accordance with and subject to the provisions of Section 2.02 of the Pooling and Servicing Agreement, the undersigned, as Trustee, hereby certifies that, except for the exceptions noted on the schedule attached hereto, it has (a) received an original Mortgage Note with respect to each Mortgage Loan listed on the Mortgage Loan Schedule and (b) received an original Mortgage (or a certified copy thereof) with respect to each Mortgage Loan listed on the Mortgage Loan Schedule in accordance with Section 2.01 of the Pooling and Servicing Agreement. The Trustee has made no independent examination of any documents contained in each Mortgage File beyond the review specifically mentioned above. The Trustee makes no representations as to: (i) the validity, legality, sufficiency, enforceability or genuineness of any of the documents delivered in accordance with Section 2.01 of the Pooling and Servicing Agreement or any of the Mortgage Loans identified in the Mortgage Loan Schedule, or (ii) the collectibility, insurability, effectiveness or suitability of any such Mortgage Loan. The Trustee acknowledges receipt of notice that the Depositor has granted to the Trustee for the benefit of the Certificateholders a security interest in all of the Depositor’s right, title and interest in and to the Mortgage Loans. Capitalized terms used herein without definition shall have the meaning assigned to them in the Pooling and Servicing Agreement. BANK ONE, NATIONAL ASSOCIATION, as Trustee By: Authorized Representative Credit Suisse First Boston Mortgage Securities Corp. 11 Xxxxxxx Xxxxxx, 0xx Xxxxx Xxx Xxxx, Xxx Xxxx 00000 DLJ Mortgage Capital, Inc. 11 Xxxxxxx Xxxxxx, 0xx Xxxxx Xxx Xxxx, Xxx Xxxx 00000 Re: Pooling and Servicing Agreement (“Pooling and Servicing Agreement”) relating to [___________________] CSFB Mortgage-Backed Pass-Through Certificates, Series 200_-___ Ladies and Gentlemen: In accordance with and subject to the provisions of Section 2.02 of the above-referenced Pooling and Servicing Agreement the undersigned, as Trustee, hereby certifies that, except for the exceptions noted on the schedule attached hereto, as to each Mortgage Loan listed in the Mortgage Loan Schedule it has reviewed the Mortgage File and has determined that (based solely on its review of each such documents on its face) (i) all documents described in clauses (i)-(v) of Section 2.01(b) of the Pooling and Servicing Agreement are in its possession, (ii) such documents have been reviewed by it and have not been mutilated, damaged, defaced, torn or otherwise physically altered and such documents relate to such Mortgage Loan and (iii) each Mortgage Note has been endorsed and each assignment of Mortgage has been delivered as provided in Section 2.01 of the Pooling and Servicing Agreement. The Trustee has made no independent examination of any documents required to be delivered in accordance with Section 2.01 of the Pooling and Servicing Agreement beyond the review specifically required therein. The Trustee makes no representations as to: (i) the validity, legality, sufficiency, enforceability or genuineness of any of the documents required to be delivered in accordance with Section 2.01 of the Pooling and Servicing Agreement or any of the Mortgage Loans identified on the Mortgage Loan Schedule, or (ii) the collectibility, insurability, effectiveness or suitability of any such Mortgage Loan. Capitalized terms used herein without definition have the meanings ascribed to them in the Pooling and Servicing Agreement. BANK ONE, NATIONAL ASSOCIATION, as Trustee By: Authorized Representative To: Bank One, National Association In connection with the administration of the Mortgage Loans held by you as Trustee under the Pooling and Servicing Agreement dated as of June 1, 2003, among the Depositor, DLJ Mortgage Capital, Inc., as seller (in such capacity, the “Seller”), Chase Manhattan Mortgage Corporation, as master servicer (in such capacity, the “Master Servicer”), Washington Mutual Mortgage Securities Corp., as a seller (in such capacity, a “Seller”) and a servicer (in such capacity, a “Servicer”), Fairbanks Capital Corp., as a servicer (in such capacity, a “Servicer”) and the special servicer (in such capacity, the “Special Servicer”), Bank One, National Association, as trustee (the “Trustee”) and JPMorgan Chase Bank, as trust administrator (the “Trust Administrator”) (the “Pooling and Servicing Agreement”), the undersigned hereby requests a release of the Mortgage File held by you as Trustee with respect to the following described Mortgage Loan for the reason indicated below. Mortgagor’s Name: Address: Loan No.: Reason for requesting file: ____

FORM OF SERVICER INFORMATION. The following information will be e-mailed to the Master Servicer by each Servicer, other than WMMSC, and to the Trust Administrator by the Master Servicer and WMMSC, in accordance with Section 4.05: Servicer Loan Number Trust Loan Number (if applicable) Scheduled Net Interest Scheduled Principal Curtailment Applied Curtailment Adjustment Mortgage Rate Servicing Fee Rate P&I Payment Beginning Scheduled Balance Ending Scheduled Balance Ending Actual Principal Balance Due Date Prepayment in full Principal Prepayment in full Net Interest Prepayment in full Penalty Delinquencies: 1-30 61-90 91 + Foreclosures REO Properties Loss Amounts & Loss Types (i.e., Bankruptcy, Excess, Deficient Valuation, Debt Reduction) Xxxxxxx Xxxxxx First Security Investor Reporting 150 000 Xxxxx Xxxxxx Xxxxx Chicago, IL 00000-0000 Phone No. 000-000-0000 Fax No. 312-425-4281 xxxxxxx@xxxx.xxx [name] JPMorgan Chase Bank [address] Phone No. [________] Fax No. [________] [email] Credit Suisse First Boston Mortgage Securities Acceptance Corp. 11 00 Xxxxxxx Xxxxxx, 0xx Xxxxx Xxx Xxxx, Xxx Xxxx 00000 DLJ Mortgage Capital, Inc. 11 00 Xxxxxxx Xxxxxx, 0xx Xxxxx Xxx Xxxx, Xxx Xxxx 00000 Re: Pooling and Servicing Agreement (“Pooling and Servicing Agreement”) relating to [__________________] CSFB Mortgage-Backed Pass-Through Certificates, Series 200_-___ Ladies and Gentlemen: In accordance with and subject to the provisions of Section 2.02 of the Pooling and Servicing Agreement, the undersigned, as Trustee, hereby certifies that, except for the exceptions noted on the schedule attached hereto, it has (a) received an original Mortgage Note with respect to each Mortgage Loan listed on the Mortgage Loan Schedule and (b) received an original Mortgage (or a certified copy thereof) with respect to each Mortgage Loan listed on the Mortgage Loan Schedule in accordance with Section 2.01 of the Pooling and Servicing Agreement. The Trustee has made no independent examination of any documents contained in each Mortgage File beyond the review specifically mentioned above. The Trustee makes no representations as to: (i) the validity, legality, sufficiency, enforceability or genuineness of any of the documents delivered in accordance with Section 2.01 of the Pooling and Servicing Agreement or any of the Mortgage Loans identified in the Mortgage Loan Schedule, or (ii) the collectibility, insurability, effectiveness or suitability of any such Mortgage Loan. The Trustee acknowledges receipt of notice that the Depositor has granted to the Trustee for the benefit of the Certificateholders a security interest in all of the Depositor’s right, title and interest in and to the Mortgage Loans. Capitalized terms used herein without definition shall have the meaning assigned to them in the Pooling and Servicing Agreement. BANK ONE, NATIONAL ASSOCIATION, as Trustee By: Authorized Representative Credit Suisse First Boston Mortgage Securities Acceptance Corp. 11 00 Xxxxxxx Xxxxxx, 0xx Xxxxx Xxx Xxxx, Xxx Xxxx 00000 DLJ Mortgage Capital, Inc. 11 00 Xxxxxxx Xxxxxx, 0xx Xxxxx Xxx Xxxx, Xxx Xxxx 00000 Re: Pooling and Servicing Agreement (“Pooling and Servicing Agreement”) relating to [___________________] CSFB Mortgage-Backed Pass-Pass- Through Certificates, Series 200_-___ Ladies and Gentlemen: In accordance with and subject to the provisions of Section 2.02 of the above-referenced Pooling and Servicing Agreement the undersigned, as Trustee, hereby certifies that, except for the exceptions noted on the schedule attached hereto, as to each Mortgage Loan listed in the Mortgage Loan Schedule it has reviewed the Mortgage File and has determined that (based solely on its review of each such documents on its face) (i) all documents described in clauses (i)-(v) of Section 2.01(b) of the Pooling and Servicing Agreement are in its possession, (ii) such documents have been reviewed by it and have not been mutilated, damaged, defaced, torn or otherwise physically altered and such documents relate to such Mortgage Loan and (iii) each Mortgage Note has been endorsed and each assignment of Mortgage has been delivered as provided in Section 2.01 of the Pooling and Servicing Agreement. The Trustee has made no independent examination of any documents required to be delivered in accordance with Section 2.01 of the Pooling and Servicing Agreement beyond the review specifically required therein. The Trustee makes no representations as to: (i) the validity, legality, sufficiency, enforceability or genuineness of any of the documents required to be delivered in accordance with Section 2.01 of the Pooling and Servicing Agreement or any of the Mortgage Loans identified on the Mortgage Loan Schedule, or (ii) the collectibility, insurability, effectiveness or suitability of any such Mortgage Loan. Capitalized terms used herein without definition have the meanings ascribed to them in the Pooling and Servicing Agreement. BANK ONE, NATIONAL ASSOCIATION, as Trustee By: Authorized Representative To: Bank One, National Association In connection with the administration of the Mortgage Loans held by you as Trustee under the Pooling and Servicing Agreement dated as of June January 1, 2003, among the Depositor, DLJ Mortgage Capital, Inc., as seller (in such capacity, the “Seller”), Chase Manhattan Mortgage Corporation, as master servicer (in such capacity, the “Master Servicer”), GreenPoint Mortgage Funding, Inc., as a seller (in such capacity, a “Seller”), Washington Mutual Mortgage Securities Corp., as a seller (in such capacity, a “Seller”) and a servicer (in such capacity, a “Servicer”), Bank of America, N.A., as a seller (in such capacity, a “Seller”) and a servicer (in such capacity, a “Servicer”), Fairbanks Capital Corp., as a servicer (in such capacity, a “Servicer”) and the special servicer (in such capacity, the “Special Servicer”), Bank One, National Association, as trustee (the “Trustee”) and JPMorgan Chase Bank, as trust administrator (the “Trust Administrator”) (the “Pooling and Servicing Agreement”), the undersigned hereby requests a release of the Mortgage File held by you as Trustee with respect to the following described Mortgage Loan for the reason indicated below. Mortgagor’s Name: Address: Loan No.: Reason for requesting file: ____

FORM OF SERVICER INFORMATION. The following information will be e-mailed to the Master Servicer by each Servicer, other than WMMSC, and to the Trust Administrator by the Master Servicer and WMMSC, in accordance with Section 4.05: Servicer Loan Number Trust Loan Number (if applicable) Scheduled Net Interest Scheduled Principal Curtailment Applied Curtailment Adjustment Mortgage Rate Servicing Fee Rate P&I Payment Beginning Scheduled Balance Ending Scheduled Balance Ending Actual Principal Balance Due Date Prepayment in full Principal Prepayment in full Net Interest Prepayment in full Penalty Delinquencies: 1-30 61-90 91 + Foreclosures REO Properties Loss Amounts & Loss Types (i.e., Bankruptcy, Excess, Deficient Valuation, Debt Reduction) Xxxxxxx Xxxxxx First Security Investor Reporting 150 000 Xxxxx Xxxxxx Xxxxx Chicago, IL 00000-0000 Phone No. 000-000-0000 Fax No. 312-425-4281 xxxxxxx@xxxx.xxx [name] JPMorgan Chase Bank [address] Phone No. [________] Fax No. [________] [email] Credit Suisse First Boston Mortgage Securities Acceptance Corp. 11 00 Xxxxxxx Xxxxxx, 0xx Xxxxx Xxx Xxxx, Xxx Xxxx 00000 DLJ Mortgage Capital, Inc. 11 00 Xxxxxxx Xxxxxx, 0xx Xxxxx Xxx Xxxx, Xxx Xxxx 00000 Re: Pooling and Servicing Agreement (“Pooling and Servicing Agreement”) relating to [__________________] CSFB Mortgage-Backed Pass-Through Certificates, Series 200_-___ Ladies and Gentlemen: In accordance with and subject to the provisions of Section 2.02 of the Pooling and Servicing Agreement, the undersigned, as Trustee, hereby certifies that, except for the exceptions noted on the schedule attached hereto, it has (a) received an original Mortgage Note with respect to each Mortgage Loan listed on the Mortgage Loan Schedule and (b) received an original Mortgage (or a certified copy thereof) with respect to each Mortgage Loan listed on the Mortgage Loan Schedule in accordance with Section 2.01 of the Pooling and Servicing Agreement. The Trustee has made no independent examination of any documents contained in each Mortgage File beyond the review specifically mentioned above. The Trustee makes no representations as to: (i) the validity, legality, sufficiency, enforceability or genuineness of any of the documents delivered in accordance with Section 2.01 of the Pooling and Servicing Agreement or any of the Mortgage Loans identified in the Mortgage Loan Schedule, or (ii) the collectibility, insurability, effectiveness or suitability of any such Mortgage Loan. The Trustee acknowledges receipt of notice that the Depositor has granted to the Trustee for the benefit of the Certificateholders a security interest in all of the Depositor’s right, title and interest in and to the Mortgage Loans. Capitalized terms used herein without definition shall have the meaning assigned to them in the Pooling and Servicing Agreement. BANK ONE, NATIONAL ASSOCIATION, as Trustee By: Authorized Representative Credit Suisse First Boston Mortgage Securities Acceptance Corp. 11 00 Xxxxxxx Xxxxxx, 0xx Xxxxx Xxx Xxxx, Xxx Xxxx 00000 DLJ Mortgage Capital, Inc. 11 00 Xxxxxxx Xxxxxx, 0xx Xxxxx Xxx Xxxx, Xxx Xxxx 00000 Re: Pooling and Servicing Agreement (“Pooling and Servicing Agreement”) relating to [___________________] CSFB Mortgage-Backed Pass-Through Certificates, Series 200_-___ Ladies and Gentlemen: In accordance with and subject to the provisions of Section 2.02 of the above-referenced Pooling and Servicing Agreement the undersigned, as Trustee, hereby certifies that, except for the exceptions noted on the schedule attached hereto, as to each Mortgage Loan listed in the Mortgage Loan Schedule it has reviewed the Mortgage File and has determined that (based solely on its review of each such documents on its face) (i) all documents described in clauses (i)-(v) of Section 2.01(b) of the Pooling and Servicing Agreement are in its possession, (ii) such documents have been reviewed by it and have not been mutilated, damaged, defaced, torn or otherwise physically altered and such documents relate to such Mortgage Loan and (iii) each Mortgage Note has been endorsed and each assignment of Mortgage has been delivered as provided in Section 2.01 of the Pooling and Servicing Agreement. The Trustee has made no independent examination of any documents required to be delivered in accordance with Section 2.01 of the Pooling and Servicing Agreement beyond the review specifically required therein. The Trustee makes no representations as to: (i) the validity, legality, sufficiency, enforceability or genuineness of any of the documents required to be delivered in accordance with Section 2.01 of the Pooling and Servicing Agreement or any of the Mortgage Loans identified on the Mortgage Loan Schedule, or (ii) the collectibility, insurability, effectiveness or suitability of any such Mortgage Loan. Capitalized terms used herein without definition have the meanings ascribed to them in the Pooling and Servicing Agreement. BANK ONE, NATIONAL ASSOCIATION, as Trustee By: Authorized Representative To: Bank One, National Association In connection with the administration of the Mortgage Loans held by you as Trustee under the Pooling and Servicing Agreement dated as of June December 1, 20032002, among the Depositor, DLJ Mortgage Capital, Inc., as seller (in such capacity, the “Seller”), Chase Manhattan Mortgage Corporation, as master servicer (in such capacity, the “Master Servicer”), GreenPoint Mortgage Funding, Inc., as a seller (in such capacity, a “Seller”), Washington Mutual Mortgage Securities Corp., as a seller (in such capacity, a “Seller”) and a servicer (in such capacity, a “Servicer”), Fairbanks Capital Corp., as a servicer (in such capacity, a “Servicer”) and the special servicer (in such capacity, the “Special Servicer”), Bank One, National Association, as trustee (the “Trustee”) and JPMorgan Chase Bank, as trust administrator (the “Trust Administrator”) (the “Pooling and Servicing Agreement”), the undersigned hereby requests a release of the Mortgage File held by you as Trustee with respect to the following described Mortgage Loan for the reason indicated below. Mortgagor’s Name: Address: Loan No.: Reason for requesting file: ____

FORM OF SERVICER INFORMATION. The following information will be e-mailed to the Master Servicer by each the Servicer, other than WMMSC, and to the Trust Administrator by the Master Servicer and WMMSC, in accordance with Section 4.05: Servicer Loan Number Trust Loan Number (if applicable) Scheduled Net Interest Scheduled Principal Curtailment Applied Curtailment Adjustment Mortgage Rate Servicing Fee Rate P&I Payment Beginning Scheduled Balance Ending Scheduled Balance Ending Actual Principal Balance Due Date Prepayment in full Principal Prepayment in full Net Interest Prepayment in full Penalty Delinquencies: 1-30 31-60 61-90 91 + Foreclosures REO Properties Loss Amounts & Loss Types (i.e., Bankruptcy, Excess, Deficient Valuation, Debt Reduction) Xxxxxxx Xxxxxx First Security Investor Reporting 150 000 Xxxxx Xxxxxx Xxxxx Chicago, IL 00000-0000 Phone No. 000-000-0000 Fax No. 312-425-4281 xxxxxxx@xxxx.xxx [name] JPMorgan Chase Bank [address] Phone No. [________] Fax No. [________] [email] Credit Suisse First Boston Mortgage Securities Corp. 11 00 Xxxxxxx Xxxxxx, 0xx Xxxxx Xxx Xxxx, Xxx Xxxx 00000 DLJ Mortgage Capital, Inc. 11 00 Xxxxxxx Xxxxxx, 0xx Xxxxx Xxx Xxxx, Xxx Xxxx 00000 Re: Pooling and Servicing Agreement (“Pooling and Servicing Agreement”) relating to [__________________] CSFB Mortgage-Backed Pass-Through Certificates, Series 200_-___ Ladies and Gentlemen: In accordance with and subject to the provisions of Section 2.02 of the Pooling and Servicing Agreement, the undersigned, as Trustee, hereby certifies that, except for the exceptions noted on the schedule attached hereto, it has (a) received an original Mortgage Note with respect to each Mortgage Loan listed on the Mortgage Loan Schedule and (b) received an original Mortgage (or a certified copy thereof) with respect to each Mortgage Loan listed on the Mortgage Loan Schedule in accordance with Section 2.01 of the Pooling and Servicing Agreement. The Trustee has made no independent examination of any documents contained in each Mortgage File beyond the review specifically mentioned above. The Trustee makes no representations as to: (i) the validity, legality, sufficiency, enforceability or genuineness of any of the documents delivered in accordance with Section 2.01 of the Pooling and Servicing Agreement or any of the Mortgage Loans identified in the Mortgage Loan Schedule, or (ii) the collectibility, insurability, effectiveness or suitability of any such Mortgage Loan. The Trustee acknowledges receipt of notice that the Depositor has granted to the Trustee for the benefit of the Certificateholders a security interest in all of the Depositor’s right, title and interest in and to the Mortgage Loans. Capitalized terms used herein without definition shall have the meaning assigned to them in the Pooling and Servicing Agreement. BANK ONE, NATIONAL ASSOCIATION, as Trustee By: :__________________________________ Authorized Representative EXHIBIT L FORM OF FINAL CERTIFICATION OF TRUSTEE [date] Credit Suisse First Boston Mortgage Securities Corp. 11 00 Xxxxxxx Xxxxxx, 0xx Xxxxx Xxx Xxxx, Xxx Xxxx 00000 DLJ Mortgage Capital, Inc. 11 00 Xxxxxxx Xxxxxx, 0xx Xxxxx Xxx Xxxx, Xxx Xxxx 00000 Re: Pooling and Servicing Agreement (“Pooling and Servicing Agreement”) relating to [___________________] CSFB Mortgage-Backed Pass-Through Certificates, Series 200_-___ Ladies and Gentlemen: In accordance with and subject to the provisions of Section 2.02 of the above-referenced Pooling and Servicing Agreement the undersigned, as Trustee, hereby certifies that, except for the exceptions noted on the schedule attached hereto, as to each Mortgage Loan listed in the Mortgage Loan Schedule it has reviewed the Mortgage File and has determined that (based solely on its review of each such documents on its face) (i) all documents described in clauses (i)-(v) of Section 2.01(b) of the Pooling and Servicing Agreement are in its possession, (ii) such documents have been reviewed by it and have not been mutilated, damaged, defaced, torn or otherwise physically altered and such documents relate to such Mortgage Loan and (iii) each Mortgage Note has been endorsed and each assignment of Mortgage has been delivered as provided in Section 2.01 of the Pooling and Servicing Agreement. The Trustee has made no independent examination of any documents required to be delivered in accordance with Section 2.01 of the Pooling and Servicing Agreement beyond the review specifically required therein. The Trustee makes no representations as to: (i) the validity, legality, sufficiency, enforceability or genuineness of any of the documents required to be delivered in accordance with Section 2.01 of the Pooling and Servicing Agreement or any of the Mortgage Loans identified on the Mortgage Loan Schedule, or (ii) the collectibility, insurability, effectiveness or suitability of any such Mortgage Loan. Capitalized terms used herein without definition have the meanings ascribed to them in the Pooling and Servicing Agreement. BANK ONE, NATIONAL ASSOCIATION, as Trustee By: :___________________________________ Authorized Representative EXHIBIT M FORM OF REQUEST FOR RELEASE [date] To: Bank One, National Association In connection with the administration of the Mortgage Loans held by you as Trustee under the Pooling and Servicing Agreement dated as of June May 1, 2003, 2003 among the Depositor, DLJ Mortgage Capital, Inc., as seller (in such capacity, the “Seller”), Chase Manhattan Mortgage Corporation, as master servicer (in such capacity, the “Master Servicer”), Washington Mutual Mortgage Securities Corp., as a seller (in such capacity, a “Seller”) and a servicer (in such capacity, a “Servicer”), Fairbanks Capital Corp., as a servicer (in such capacity, a “Servicer”) and the special servicer (in such capacity, the “Special Servicer”), Bank One, National Association, as trustee (the “Trustee”) and JPMorgan Chase Bank, as trust administrator (the “Trust Administrator”) (the “Pooling and Servicing Agreement”), the undersigned hereby requests a release of the Mortgage File held by you as Trustee with respect to the following described Mortgage Loan for the reason indicated below. Mortgagor’s Name: Address: Loan No.: Reason for requesting file: ____:

FORM OF SERVICER INFORMATION. The following information will be e-mailed to the Master Servicer by each Servicer, other than WMMSC, and to the Trust Administrator by the Master Servicer and WMMSC, in accordance with Section 4.05: Servicer Loan Number Trust Loan Number (if applicable) Scheduled Net Interest Scheduled Principal Curtailment Applied Curtailment Adjustment Mortgage Rate Servicing Fee Rate P&I Payment Beginning Scheduled Balance Ending Scheduled Balance Ending Actual Principal Balance Due Date Prepayment in full Principal Prepayment in full Net Interest Prepayment in full Penalty Delinquencies: 1-30 61-90 91 + Foreclosures REO Properties Loss Amounts & Loss Types (i.e., Bankruptcy, Excess, Deficient Valuation, Debt Reduction) Xxxxxxx Xxxxxx First Security Investor Reporting 150 000 Xxxxx Xxxxxx Xxxxx Chicago, IL 00000-0000 Phone No. 000-000-0000 Fax No. 312000-425000-4281 0000 xxxxxxx@xxxx.xxx [name] JPMorgan Chase Bank [address] Phone No. [________] Fax No. [________] [email] Credit Suisse First Boston Mortgage Securities Corp. 11 00 Xxxxxxx Xxxxxx, 0xx Xxxxx Xxx XxxxFloor New York, Xxx Xxxx 00000 New York 10010 DLJ Mortgage Capital, Inc. 11 00 Xxxxxxx Xxxxxx, 0xx Xxxxx Xxx XxxxFloor New York, Xxx Xxxx 00000 New York 10010 Re: Pooling and Servicing Agreement (“Pooling and Servicing Agreement”) relating to [__________________] CSFB Mortgage-Backed Pass-Through Certificates, Series 200_-___ Ladies and Gentlemen: In accordance with and subject to the provisions of Section 2.02 of the Pooling and Servicing Agreement, the undersigned, as Trustee, hereby certifies that, except for the exceptions noted on the schedule attached hereto, it has (a) received an original Mortgage Note with respect to each Mortgage Loan listed on the Mortgage Loan Schedule and (b) received an original Mortgage (or a certified copy thereof) with respect to each Mortgage Loan listed on the Mortgage Loan Schedule in accordance with Section 2.01 of the Pooling and Servicing Agreement. The Trustee has made no independent examination of any documents contained in each Mortgage File beyond the review specifically mentioned above. The Trustee makes no representations as to: (i) the validity, legality, sufficiency, enforceability or genuineness of any of the documents delivered in accordance with Section 2.01 of the Pooling and Servicing Agreement or any of the Mortgage Loans identified in the Mortgage Loan Schedule, or (ii) the collectibilitycollectability, insurability, effectiveness or suitability of any such Mortgage Loan. The Trustee acknowledges receipt of notice that the Depositor has granted to the Trustee for the benefit of the Certificateholders a security interest in all of the Depositor’s right, title and interest in and to the Mortgage Loans. Capitalized terms used herein without definition shall have the meaning assigned to them in the Pooling and Servicing Agreement. BANK ONE, NATIONAL ASSOCIATION, as Trustee By: :_____________________________________ Authorized Representative Credit Suisse First Boston Mortgage Securities Corp. 11 00 Xxxxxxx Xxxxxx, 0xx Xxxxx Xxx XxxxFloor New York, Xxx Xxxx 00000 New York 10010 DLJ Mortgage Capital, Inc. 11 00 Xxxxxxx Xxxxxx, 0xx Xxxxx Xxx XxxxFloor New York, Xxx Xxxx 00000 New York 10010 Re: Pooling and Servicing Agreement (“Pooling and Servicing Agreement”) relating to [___________________] CSFB Mortgage-Backed Pass-Through Certificates, Series 200_-___ Ladies and Gentlemen: In accordance with and subject to the provisions of Section 2.02 of the above-referenced Pooling and Servicing Agreement the undersigned, as Trustee, hereby certifies that, except for the exceptions noted on the schedule attached hereto, as to each Mortgage Loan listed in the Mortgage Loan Schedule it has reviewed the Mortgage File and has determined that (based solely on its review of each such documents on its face) (i) all documents described in clauses (i)-(v) of Section 2.01(b) of the Pooling and Servicing Agreement are in its possession, (ii) such documents have been reviewed by it and have not been mutilated, damaged, defaced, torn or otherwise physically altered and such documents relate to such Mortgage Loan and (iii) each Mortgage Note has been endorsed and each assignment of Mortgage has been delivered as provided in Section 2.01 of the Pooling and Servicing Agreement. The Trustee has made no independent examination of any documents required to be delivered in accordance with Section 2.01 of the Pooling and Servicing Agreement beyond the review specifically required therein. The Trustee makes no representations as to: (i) the validity, legality, sufficiency, enforceability or genuineness of any of the documents required to be delivered in accordance with Section 2.01 of the Pooling and Servicing Agreement or any of the Mortgage Loans identified on the Mortgage Loan Schedule, or (ii) the collectibilitycollectability, insurability, effectiveness or suitability of any such Mortgage Loan. Capitalized terms used herein without definition have the meanings ascribed to them in the Pooling and Servicing Agreement. BANK ONE, NATIONAL ASSOCIATION, as Trustee By: :______________________________________ Authorized Representative To: Bank One, National Association In connection with the administration of the Mortgage Loans held by you as Trustee under the Pooling and Servicing Agreement dated as of June November 1, 20032002, among the Depositor, DLJ Mortgage Capital, Inc., as seller (in such capacity, the “Seller”), Chase Manhattan Mortgage Corporation, as master servicer (in such capacity, the “Master Servicer”), GreenPoint Mortgage Funding, Inc., as a seller (in such capacity, a “Seller”), Washington Mutual Mortgage Securities Corp., as a seller (in such capacity, a “Seller”) and a servicer (in such capacity, a “Servicer”), Fairbanks Capital Corp., as a servicer (in such capacity, a “Servicer”) and the special servicer (in such capacity, the “Special Servicer”), Bank One, National Association, as trustee (the “Trustee”) and JPMorgan Chase Bank, as trust administrator (the “Trust Administrator”) (the “Pooling and Servicing Agreement”), the undersigned hereby requests a release of the Mortgage File held by you as Trustee with respect to the following described Mortgage Loan for the reason indicated below. Mortgagor’s Name: Address: Loan No.: Reason for requesting file: ____

FORM OF SERVICER INFORMATION. The following information will be e-mailed to the Master Servicer by each Servicer, other than WMMSC, and to the Trust Administrator by the Master Servicer and WMMSC, in accordance with Section 4.05: Servicer Loan Number Trust Loan Number (if applicable) Scheduled Net Interest Scheduled Principal Curtailment Applied Curtailment Adjustment Mortgage Rate Servicing Fee Rate P&I Payment Beginning Scheduled Balance Ending Scheduled Balance Ending Actual Principal Balance Due Date Prepayment in full Principal Prepayment in full Net Interest Prepayment in full Penalty Delinquencies: 1-30 61-90 91 + Foreclosures REO Properties Loss Amounts & Loss Types (i.e., Bankruptcy, Excess, Deficient Valuation, Debt Reduction) Xxxxxxx Xxxxxx First Security Investor Reporting 150 000 Xxxxx Xxxxxx Xxxxx Chicago, IL 00000-0000 Phone No. 000-000-0000 Fax No. 312000-425000-4281 0000 xxxxxxx@xxxx.xxx [name] JPMorgan Chase Bank [address] Phone No. [________] Fax No. [________] [email] [_________________, 200_] Credit Suisse First Boston Mortgage Securities Acceptance Corp. 11 00 Xxxxxxx Xxxxxx, 0xx Xxxxx Xxx XxxxFloor New York, Xxx Xxxx 00000 New York 10010 DLJ Mortgage Capital, Inc. 11 00 Xxxxxxx Xxxxxx, 0xx Xxxxx Xxx XxxxFloor New York, Xxx Xxxx 00000 New York 10010 Re: Pooling and Servicing Agreement (“Pooling and Servicing Agreement”) relating to [__________________] CSFB Mortgage-Backed Pass-Through Certificates, Series 200_-___ Ladies and Gentlemen: In accordance with and subject to the provisions of Section 2.02 of the Pooling and Servicing Agreement, the undersigned, as Trustee, hereby certifies that, except for the exceptions noted on the schedule attached hereto, it has (a) received an original Mortgage Note with respect to each Mortgage Loan listed on the Mortgage Loan Schedule and (b) received an original Mortgage (or a certified copy thereof) with respect to each Mortgage Loan listed on the Mortgage Loan Schedule in accordance with Section 2.01 of the Pooling and Servicing Agreement. The Trustee has made no independent examination of any documents contained in each Mortgage File beyond the review specifically mentioned above. The Trustee makes no representations as to: (i) the validity, legality, sufficiency, enforceability or genuineness of any of the documents delivered in accordance with Section 2.01 of the Pooling and Servicing Agreement or any of the Mortgage Loans identified in the Mortgage Loan Schedule, or (ii) the collectibility, insurability, effectiveness or suitability of any such Mortgage Loan. The Trustee acknowledges receipt of notice that the Depositor has granted to the Trustee for the benefit of the Certificateholders a security interest in all of the Depositor’s right, title and interest in and to the Mortgage Loans. Capitalized terms used herein without definition shall have the meaning assigned to them in the Pooling and Servicing Agreement. BANK ONE, NATIONAL ASSOCIATION, as Trustee By: :_________________________ Authorized Representative Credit Suisse First Boston Mortgage Securities Acceptance Corp. 11 00 Xxxxxxx Xxxxxx, 0xx Xxxxx Xxx XxxxFloor New York, Xxx Xxxx 00000 New York 10010 DLJ Mortgage Capital, Inc. 11 00 Xxxxxxx Xxxxxx, 0xx Xxxxx Xxx XxxxFloor New York, Xxx Xxxx 00000 New York 10010 Re: Pooling and Servicing Agreement (“Pooling and Servicing Agreement”) relating to [___________________] CSFB Mortgage-Backed Pass-Pass- Through Certificates, Series 200_-___ Ladies and Gentlemen: In accordance with and subject to the provisions of Section 2.02 of the above-referenced Pooling and Servicing Agreement the undersigned, as Trustee, hereby certifies that, except for the exceptions noted on the schedule attached hereto, as to each Mortgage Loan listed in the Mortgage Loan Schedule it has reviewed the Mortgage File and has determined that (based solely on its review of each such documents on its face) (i) all documents described in clauses (i)-(v) of Section 2.01(b) of the Pooling and Servicing Agreement are in its possession, (ii) such documents have been reviewed by it and have not been mutilated, damaged, defaced, torn or otherwise physically altered and such documents relate to such Mortgage Loan and (iii) each Mortgage Note has been endorsed and each assignment of Mortgage has been delivered as provided in Section 2.01 of the Pooling and Servicing Agreement. The Trustee has made no independent examination of any documents required to be delivered in accordance with Section 2.01 of the Pooling and Servicing Agreement beyond the review specifically required therein. The Trustee makes no representations as to: (i) the validity, legality, sufficiency, enforceability or genuineness of any of the documents required to be delivered in accordance with Section 2.01 of the Pooling and Servicing Agreement or any of the Mortgage Loans identified on the Mortgage Loan Schedule, or (ii) the collectibility, insurability, effectiveness or suitability of any such Mortgage Loan. Capitalized terms used herein without definition have the meanings ascribed to them in the Pooling and Servicing Agreement. BANK ONE, NATIONAL ASSOCIATION, as Trustee By: :______________________________ Authorized Representative [date] To: Bank One, National Association In connection with the administration of the Mortgage Loans held by you as Trustee under the Pooling and Servicing Agreement dated as of June January 1, 2003, among the Depositor, DLJ Mortgage Capital, Inc., as seller (in such capacity, the “Seller”), Chase Manhattan Mortgage Corporation, as master servicer (in such capacity, the “Master Servicer”), GreenPoint Mortgage Funding, Inc., as a seller (in such capacity, a “Seller”), Washington Mutual Mortgage Securities Corp., as a seller (in such capacity, a “Seller”) and a servicer (in such capacity, a “Servicer”), Bank of America, N.A., as a seller (in such capacity, a “Seller”) and a servicer (in such capacity, a “Servicer”), Fairbanks Capital Corp., as a servicer (in such capacity, a “Servicer”) and the special servicer (in such capacity, the “Special Servicer”), Bank One, National Association, as trustee (the “Trustee”) and JPMorgan Chase Bank, as trust administrator (the “Trust Administrator”) (the “Pooling and Servicing Agreement”), the undersigned hereby requests a release of the Mortgage File held by you as Trustee with respect to the following described Mortgage Loan for the reason indicated below. Mortgagor’s Name: Address: Loan No.: Reason for requesting file: ____:

FORM OF SERVICER INFORMATION. The following information will be e-mailed to the Master Servicer by each Servicer, other than WMMSCWMMSC and WMBFA, and to the Trust Administrator by the Master Servicer and WMMSC, in accordance with Section 4.05: Servicer Loan Number Trust Loan Number (if applicable) Scheduled Net Interest Scheduled Principal Curtailment Applied Curtailment Adjustment Mortgage Rate Servicing Fee Rate P&I Payment Beginning Scheduled Balance Ending Scheduled Balance Ending Actual Principal Balance Due Date Prepayment in full Principal Prepayment in full Net Interest Prepayment in full Penalty Delinquencies: 1-30 31-60 61-90 91 + Foreclosures REO Properties Loss Amounts & Loss Types (i.e., Bankruptcy, Excess, Deficient Valuation, Debt Reduction) Xxxxxxx Xxxxxx First Security Investor Reporting 150 000 Xxxxx Xxxxxx Xxxxx Chicago, IL 00000-0000 Phone No. 000-000-0000 Fax No. 312-425-4281 xxxxxxx@xxxx.xxx [name] JPMorgan Chase Bank [address] Phone No. [________] Fax No. [________] [email] The following information will be e-mailed to the Master Servicer by WMBFA in accordance with Section 4.05: Loan Number Interest Rate Pending Rate Sched P&I PMT Scheduled Principal Gross Interest Curtailment Coll PIF Principal PIF Interest DIFF ARM INDEX PEND INDEX ENDING SCHED BAL INVESTOR LOAN NUM SERVICE FEE RATE DUE DATE YIELD RATE BEGINNING BALANCE ENDING BALANCE BEGINNING SCHED BAL PRINCIPAL COLLECTED SCHEDULED NET INT SCHEDULED BUYDOWN SERVICE FEE COLL REMITTANCE AMOUNT Credit Suisse First Boston Mortgage Securities Corp. 11 00 Xxxxxxx Xxxxxx, 0xx Xxxxx Xxx Xxxx, Xxx Xxxx 00000 DLJ Mortgage Capital, Inc. 11 00 Xxxxxxx Xxxxxx, 0xx Xxxxx Xxx Xxxx, Xxx Xxxx 00000 Re: Pooling and Servicing Agreement (“Pooling and Servicing Agreement”) relating to [__________________] CSFB Mortgage-Backed Pass-Through Certificates, Series 200_-___ Ladies and Gentlemen: In accordance with and subject to the provisions of Section 2.02 of the Pooling and Servicing Agreement, the undersigned, as Trustee, hereby certifies that, except for the exceptions noted on the schedule attached hereto, it has (a) received an original Mortgage Note with respect to each Mortgage Loan listed on the Mortgage Loan Schedule and (b) received an original Mortgage (or a certified copy thereof) with respect to each Mortgage Loan listed on the Mortgage Loan Schedule in accordance with Section 2.01 of the Pooling and Servicing Agreement. The Trustee has made no independent examination of any documents contained in each Mortgage File beyond the review specifically mentioned above. The Trustee makes no representations as to: (i) the validity, legality, sufficiency, enforceability or genuineness of any of the documents delivered in accordance with Section 2.01 of the Pooling and Servicing Agreement or any of the Mortgage Loans identified in the Mortgage Loan Schedule, or (ii) the collectibility, insurability, effectiveness or suitability of any such Mortgage Loan. The Trustee acknowledges receipt of notice that the Depositor has granted to the Trustee for the benefit of the Certificateholders a security interest in all of the Depositor’s right, title and interest in and to the Mortgage Loans. Capitalized terms used herein without definition shall have the meaning assigned to them in the Pooling and Servicing Agreement. BANK ONE, NATIONAL ASSOCIATION, as Trustee By: :____________________________________ Authorized Representative EXHIBIT L FORM OF FINAL CERTIFICATION OF TRUSTEE [date] Credit Suisse First Boston Mortgage Securities Corp. 11 00 Xxxxxxx Xxxxxx, 0xx Xxxxx Xxx Xxxx, Xxx Xxxx 00000 DLJ Mortgage Capital, Inc. 11 00 Xxxxxxx Xxxxxx, 0xx Xxxxx Xxx Xxxx, Xxx Xxxx 00000 Re: Pooling and Servicing Agreement (“Pooling and Servicing Agreement”) relating to [___________________] CSFB Mortgage-Backed Pass-Through Certificates, Series 200_-___ Ladies and Gentlemen: In accordance with and subject to the provisions of Section 2.02 of the above-referenced Pooling and Servicing Agreement the undersigned, as Trustee, hereby certifies that, except for the exceptions noted on the schedule attached hereto, as to each Mortgage Loan listed in the Mortgage Loan Schedule it has reviewed the Mortgage File and has determined that (based solely on its review of each such documents on its face) (i) all documents described in clauses (i)-(v) of Section 2.01(b) of the Pooling and Servicing Agreement are in its possession, (ii) such documents have been reviewed by it and have not been mutilated, damaged, defaced, torn or otherwise physically altered and such documents relate to such Mortgage Loan and (iii) each Mortgage Note has been endorsed and each assignment of Mortgage has been delivered as provided in Section 2.01 of the Pooling and Servicing Agreement. The Trustee has made no independent examination of any documents required to be delivered in accordance with Section 2.01 of the Pooling and Servicing Agreement beyond the review specifically required therein. The Trustee makes no representations as to: (i) the validity, legality, sufficiency, enforceability or genuineness of any of the documents required to be delivered in accordance with Section 2.01 of the Pooling and Servicing Agreement or any of the Mortgage Loans identified on the Mortgage Loan Schedule, or (ii) the collectibility, insurability, effectiveness or suitability of any such Mortgage Loan. Capitalized terms used herein without definition have the meanings ascribed to them in the Pooling and Servicing Agreement. BANK ONE, NATIONAL ASSOCIATION, as Trustee By: :____________________________________ Authorized Representative EXHIBIT M FORM OF REQUEST FOR RELEASE [date] To: Bank One, National Association In connection with the administration of the Mortgage Loans held by you as Trustee under the Pooling and Servicing Agreement dated as of June April 1, 2003, 2003 among the Depositor, DLJ Mortgage Capital, Inc., as seller (in such capacity, the “Seller”), Chase Manhattan Mortgage Corporation, as master servicer (in such capacity, the “Master Servicer”), Washington Mutual Bank, as a seller (in such capacity, a “Seller”), Washington Mutual Bank fsb, as a seller (in such capacity, a “Seller”), Washington Mutual Mortgage Securities Corp., as a seller (in such capacity, a “Seller”) and as a servicer (in such capacity, a “Servicer”), Washington Mutual Bank FA, as a seller (in such capacity, a “Seller”), and as a servicer (in such capacity, a “Servicer”), Fairbanks Capital Corp., as a servicer (in such capacity, a “Servicer”) and the special servicer (in such capacity, the “Special Servicer”), Bank One, National Association, as trustee (the “Trustee”) and JPMorgan Chase Bank, as trust administrator (the “Trust Administrator”) (the “Pooling and Servicing Agreement”), the undersigned hereby requests a release of the Mortgage File held by you as Trustee with respect to the following described Mortgage Loan for the reason indicated below. Mortgagor’s Name: Address: Loan No.: Reason for requesting file: ____:

FORM OF SERVICER INFORMATION. The following information will be e-mailed to the Master Servicer by each Servicer, other than WMMSC, and to the Trust Administrator by the Master Servicer and WMMSC, in accordance with Section 4.054.06: Servicer Loan Number Trust Loan Number (if applicable) Scheduled Net Interest Scheduled Principal Curtailment Applied Curtailment Adjustment Mortgage Rate Servicing Fee Rate P&I Payment Beginning Scheduled Balance Ending Scheduled Balance Ending Actual Principal Balance Due Date Prepayment in full Principal Prepayment in full Net Interest Prepayment in full Penalty Delinquencies: 1-30 61-90 91 + Foreclosures REO Properties Loss Amounts & Loss Types (i.e., Bankruptcy, Excess, Deficient Valuation, Debt Reduction) Xxxxxxx Xxxxxx First Security Investor Reporting 150 000 Xxxxx Xxxxxx Xxxxx Chicago, IL 00000-0000 Phone No. 000-000-0000 Fax No. 312-425-4281 xxxxxxx@xxxx.xxx [name] JPMorgan Chase Bank [address] Phone No. [________] Fax No. [________] [email] Credit Suisse First Boston Mortgage Securities Corp. 11 00 Xxxxxxx Xxxxxx, 0xx Xxxxx Xxx Xxxx, Xxx Xxxx 00000 DLJ Mortgage Capital, Inc. 11 00 Xxxxxxx Xxxxxx, 0xx Xxxxx Xxx Xxxx, Xxx Xxxx 00000 Re: Pooling and Servicing Agreement (“Pooling and Servicing Agreement”) relating to [__________________] CSFB Mortgage-Backed Pass-Through Certificates, Series 200_-___ Ladies and Gentlemen: In accordance with and subject to the provisions of Section 2.02 of the Pooling and Servicing Agreement, the undersigned, as Trustee, hereby certifies that, except for the exceptions noted on the schedule attached hereto, it has (a) received an original Mortgage Note with respect to each Mortgage Loan listed on the Mortgage Loan Schedule and (b) received an original Mortgage (or a certified copy thereof) with respect to each Mortgage Loan listed on the Mortgage Loan Schedule in accordance with Section 2.01 of the Pooling and Servicing Agreement. The Trustee has made no independent examination of any documents contained in each Mortgage File beyond the review specifically mentioned above. The Trustee makes no representations as to: (i) the validity, legality, sufficiency, enforceability or genuineness of any of the documents delivered in accordance with Section 2.01 of the Pooling and Servicing Agreement or any of the Mortgage Loans identified in the Mortgage Loan Schedule, or (ii) the collectibility, insurability, effectiveness or suitability of any such Mortgage Loan. The Trustee acknowledges receipt of notice that the Depositor has granted to the Trustee for the benefit of the Certificateholders a security interest in all of the Depositor’s right, title and interest in and to the Mortgage Loans. Capitalized terms used herein without definition shall have the meaning assigned to them in the Pooling and Servicing Agreement. BANK ONE, NATIONAL ASSOCIATION, as Trustee By: ______________________________ Authorized Representative Credit Suisse First Boston Mortgage Securities Corp. 11 00 Xxxxxxx Xxxxxx, 0xx Xxxxx Xxx Xxxx, Xxx Xxxx 00000 DLJ Mortgage Capital, Inc. 11 00 Xxxxxxx Xxxxxx, 0xx Xxxxx Xxx Xxxx, Xxx Xxxx 00000 Re: Pooling and Servicing Agreement (“Pooling and Servicing Agreement”) relating to [___________________] CSFB Mortgage-Backed Pass-Through Certificates, Series 200_-___ Ladies and Gentlemen: In accordance with and subject to the provisions of Section 2.02 of the above-referenced Pooling and Servicing Agreement the undersigned, as Trustee, hereby certifies that, except for the exceptions noted on the schedule attached hereto, as to each Mortgage Loan listed in the Mortgage Loan Schedule it has reviewed the Mortgage File and has determined that (based solely on its review of each such documents on its face) (i) all documents described in clauses (i)-(v) of Section 2.01(b) of the Pooling and Servicing Agreement are in its possession, (ii) such documents have been reviewed by it and have not been mutilated, damaged, defaced, torn or otherwise physically altered and such documents relate to such Mortgage Loan and (iii) each Mortgage Note has been endorsed and each assignment of Mortgage has been delivered as provided in Section 2.01 of the Pooling and Servicing Agreement. The Trustee has made no independent examination of any documents required to be delivered in accordance with Section 2.01 of the Pooling and Servicing Agreement beyond the review specifically required therein. The Trustee makes no representations as to: (i) the validity, legality, sufficiency, enforceability or genuineness of any of the documents required to be delivered in accordance with Section 2.01 of the Pooling and Servicing Agreement or any of the Mortgage Loans identified on the Mortgage Loan Schedule, or (ii) the collectibility, insurability, effectiveness or suitability of any such Mortgage Loan. Capitalized terms used herein without definition have the meanings ascribed to them in the Pooling and Servicing Agreement. BANK ONE, NATIONAL ASSOCIATION, as Trustee By: ______________________________ Authorized Representative To: Bank One, National Association In connection with the administration of the Mortgage Loans held by you as Trustee under the Pooling and Servicing Agreement dated as of June July 1, 2003, among the Credit Suisse First Boston Mortgage Securities Corp., as Depositor, DLJ Mortgage Capital, Inc., as seller (in such capacity, the “a Seller”), Chase Manhattan Mortgage Corporation, as master servicer (in such capacity, the “Master Servicer”), Washington Mutual Mortgage Securities Corp., as a seller (in such capacity, a “Seller”) Seller and a servicer (in such capacity, a “Servicer”), Fairbanks Capital Corp., as a servicer (in such capacity, a “Servicer”) Servicer and the special servicer (in such capacity, the “Special Servicer”), Bank One, National Association, as trustee (the “Trustee”) , and JPMorgan Chase Bank, as trust administrator (the “Trust Administrator”) Administrator (the “Pooling and Servicing Agreement”), the undersigned hereby requests a release of the Mortgage File held by you as Trustee with respect to the following described Mortgage Loan for the reason indicated below. Mortgagor’s Name: Address: Loan No.: Reason for requesting file: ____:

FORM OF SERVICER INFORMATION. The following information will be e-mailed to the Master Servicer by each Servicer, other than WMMSCWMMSC and Washington Mutual, and to the Trust Administrator by the Master Servicer and WMMSC, in accordance with Section 4.05: Servicer Loan Number Trust Loan Number (if applicable) Scheduled Net Interest Scheduled Principal Curtailment Applied Curtailment Adjustment Mortgage Rate Servicing Fee Rate P&I Payment Beginning Scheduled Balance Ending Scheduled Balance Ending Actual Principal Balance Due Date Prepayment in full Principal Prepayment in full Net Interest Prepayment in full Penalty Delinquencies: 1-30 61-90 91 + Foreclosures REO Properties Loss Amounts & Loss Types (i.e., Bankruptcy, Excess, Deficient Valuation, Debt Reduction) Xxxxxxx Xxxxxx First Security Investor Reporting 150 000 Xxxxx Xxxxxx Xxxxx Chicago, IL 00000-0000 Phone No. 000-000-0000 Fax No. 312-425-4281 xxxxxxx@xxxx.xxx [name] JPMorgan Chase Bank [address] Phone No. [________] Fax No. [________] [email] The following information will be e-mailed to the Master Servicer by Washington Mutual in accordance with Section 4.05: Loan Number Interest Rate Pending Rate Sched P&I PMT Scheduled Principal Gross Interest Curtailment Coll PIF Principal PIF Interest DIFF ARM INDEX PEND INDEX ENDING SCHED BAL INVESTOR LOAN NUM SERVICE FEE RATE DUE DATE YIELD RATE BEGINNING BALANCE ENDING BALANCE BEGINNING SCHED BAL PRINCIPAL COLLECTED SCHEDULED NET INT SCHEDULED BUYDOWN SERVICE FEE COLL REMITTANCE AMOUNT Credit Suisse First Boston Mortgage Securities Corp. 11 00 Xxxxxxx Xxxxxx, 0xx Xxxxx Xxx Xxxx, Xxx Xxxx 00000 DLJ Mortgage Capital, Inc. 11 00 Xxxxxxx Xxxxxx, 0xx Xxxxx Xxx Xxxx, Xxx Xxxx 00000 Re: Pooling and Servicing Agreement (“Pooling and Servicing Agreement”) relating to [__________________] CSFB Mortgage-Backed Pass-Through Certificates, Series 200_-___ Ladies and Gentlemen: In accordance with and subject to the provisions of Section 2.02 of the Pooling and Servicing Agreement, the undersigned, as Trustee, hereby certifies that, except for the exceptions noted on the schedule attached hereto, it has (a) received an original Mortgage Note with respect to each Mortgage Loan listed on the Mortgage Loan Schedule and (b) received an original Mortgage (or a certified copy thereof) with respect to each Mortgage Loan listed on the Mortgage Loan Schedule in accordance with Section 2.01 of the Pooling and Servicing Agreement. The Trustee has made no independent examination of any documents contained in each Mortgage File beyond the review specifically mentioned above. The Trustee makes no representations as to: (i) the validity, legality, sufficiency, enforceability or genuineness of any of the documents delivered in accordance with Section 2.01 of the Pooling and Servicing Agreement or any of the Mortgage Loans identified in the Mortgage Loan Schedule, or (ii) the collectibility, insurability, effectiveness or suitability of any such Mortgage Loan. The Trustee acknowledges receipt of notice that the Depositor has granted to the Trustee for the benefit of the Certificateholders a security interest in all of the Depositor’s right, title and interest in and to the Mortgage Loans. Capitalized terms used herein without definition shall have the meaning assigned to them in the Pooling and Servicing Agreement. BANK ONE, NATIONAL ASSOCIATION, as Trustee By: Authorized Representative Credit Suisse First Boston Mortgage Securities Corp. 11 00 Xxxxxxx Xxxxxx, 0xx Xxxxx Xxx Xxxx, Xxx Xxxx 00000 DLJ Mortgage Capital, Inc. 11 00 Xxxxxxx Xxxxxx, 0xx Xxxxx Xxx Xxxx, Xxx Xxxx 00000 Re: Pooling and Servicing Agreement (“Pooling and Servicing Agreement”) relating to [___________________] CSFB Mortgage-Backed Pass-Through Certificates, Series 200_-___ Ladies and Gentlemen: In accordance with and subject to the provisions of Section 2.02 of the above-referenced Pooling and Servicing Agreement the undersigned, as Trustee, hereby certifies that, except for the exceptions noted on the schedule attached hereto, as to each Mortgage Loan listed in the Mortgage Loan Schedule it has reviewed the Mortgage File and has determined that (based solely on its review of each such documents on its face) (i) all documents described in clauses (i)-(v) of Section 2.01(b) of the Pooling and Servicing Agreement are in its possession, (ii) such documents have been reviewed by it and have not been mutilated, damaged, defaced, torn or otherwise physically altered and such documents relate to such Mortgage Loan and (iii) each Mortgage Note has been endorsed and each assignment of Mortgage has been delivered as provided in Section 2.01 of the Pooling and Servicing Agreement. The Trustee has made no independent examination of any documents required to be delivered in accordance with Section 2.01 of the Pooling and Servicing Agreement beyond the review specifically required therein. The Trustee makes no representations as to: (i) the validity, legality, sufficiency, enforceability or genuineness of any of the documents required to be delivered in accordance with Section 2.01 of the Pooling and Servicing Agreement or any of the Mortgage Loans identified on the Mortgage Loan Schedule, or (ii) the collectibility, insurability, effectiveness or suitability of any such Mortgage Loan. Capitalized terms used herein without definition have the meanings ascribed to them in the Pooling and Servicing Agreement. BANK ONE, NATIONAL ASSOCIATION, as Trustee By: :___________________________________ Authorized Representative To: Bank One, National Association In connection with the administration of the Mortgage Loans held by you as Trustee under the Pooling and Servicing Agreement dated as of June 1Xxxxx 0, 20030000, among the Depositorxxxxx xxx Xxxxxxxxx, DLJ XXX Mortgage Capital, Inc., as seller (in such capacity, the “Seller”), Chase Manhattan Mortgage Corporation, as master servicer (in such capacity, the “Master Servicer”), GreenPoint Mortgage Funding, Inc., as a seller (in such capacity, a “Seller”), Washington Mutual Mortgage Securities Corp., as a seller (in such capacity, a “Seller”) and a servicer (in such capacity, a “Servicer”), Washington Mutual Bank FA, as a seller (in such capacity, a “Seller”), and as a servicer (in such capacity, a “Servicer”), Fairbanks Capital Corp., as a servicer (in such capacity, a “Servicer”) and the special servicer (in such capacity, the “Special Servicer”), Bank One, National Association, as trustee (the “Trustee”) and JPMorgan Chase Bank, as trust administrator (the “Trust Administrator”) (the “Pooling and Servicing Agreement”), the undersigned hereby requests a release of the Mortgage File held by you as Trustee with respect to the following described Mortgage Loan for the reason indicated below. Mortgagor’s Name: Address: Loan No.: Reason for requesting file: ____:

FORM OF SERVICER INFORMATION. The following information will be e-mailed to the Master Servicer by each Servicer, other than WMMSC, and to the Trust Administrator by the Master Servicer and WMMSC, in accordance with Section 4.05: Servicer Loan Number Trust Loan Number (if applicable) Scheduled Net Interest Scheduled Principal Curtailment Applied Curtailment Adjustment Mortgage Rate Servicing Fee Rate P&I Payment Beginning Scheduled Balance Ending Scheduled Balance Ending Actual Principal Balance Due Date Prepayment in full Principal Prepayment in full Net Interest Prepayment in full Penalty Delinquencies: 1-30 61-90 91 + Foreclosures REO Properties Loss Amounts & Loss Types (i.e., Bankruptcy, Excess, Deficient Valuation, Debt Reduction) Xxxxxxx Xxxxxx First Security Investor Reporting 150 000 Xxxxx Xxxxxx Xxxxx Chicago, IL 00000-0000 Phone No. 000-000-0000 Fax No. 312-425-4281 xxxxxxx@xxxx.xxx [name] JPMorgan Chase Bank [address] Phone No. [________] Fax No. [________] [email] Credit Suisse First Boston Mortgage Securities Corp. 11 00 Xxxxxxx Xxxxxx, 0xx Xxxxx Xxx Xxxx, Xxx Xxxx 00000 DLJ Mortgage Capital, Inc. 11 00 Xxxxxxx Xxxxxx, 0xx Xxxxx Xxx Xxxx, Xxx Xxxx 00000 Re: Pooling and Servicing Agreement (“Pooling and Servicing Agreement”) relating to [__________________] CSFB Mortgage-Backed Pass-Through Certificates, Series 200_-___ Ladies and Gentlemen: In accordance with and subject to the provisions of Section 2.02 of the Pooling and Servicing Agreement, the undersigned, as Trustee, hereby certifies that, except for the exceptions noted on the schedule attached hereto, it has (a) received an original Mortgage Note with respect to each Mortgage Loan listed on the Mortgage Loan Schedule and (b) received an original Mortgage (or a certified copy thereof) with respect to each Mortgage Loan listed on the Mortgage Loan Schedule in accordance with Section 2.01 of the Pooling and Servicing Agreement. The Trustee has made no independent examination of any documents contained in each Mortgage File beyond the review specifically mentioned above. The Trustee makes no representations as to: (i) the validity, legality, sufficiency, enforceability or genuineness of any of the documents delivered in accordance with Section 2.01 of the Pooling and Servicing Agreement or any of the Mortgage Loans identified in the Mortgage Loan Schedule, or (ii) the collectibility, insurability, effectiveness or suitability of any such Mortgage Loan. The Trustee acknowledges receipt of notice that the Depositor has granted to the Trustee for the benefit of the Certificateholders a security interest in all of the Depositor’s right, title and interest in and to the Mortgage Loans. Capitalized terms used herein without definition shall have the meaning assigned to them in the Pooling and Servicing Agreement. BANK ONE, NATIONAL ASSOCIATION, as Trustee By: By ______________________________ Authorized Representative Credit Suisse First Boston Mortgage Securities Corp. 11 00 Xxxxxxx Xxxxxx, 0xx Xxxxx Xxx Xxxx, Xxx Xxxx 00000 DLJ Mortgage Capital, Inc. 11 00 Xxxxxxx Xxxxxx, 0xx Xxxxx Xxx Xxxx, Xxx Xxxx 00000 Re: Pooling and Servicing Agreement (“Pooling and Servicing Agreement”) relating to [___________________] CSFB Mortgage-Backed Pass-Through Certificates, Series 200_-___ Ladies and Gentlemen: In accordance with and subject to the provisions of Section 2.02 of the above-referenced Pooling and Servicing Agreement the undersigned, as Trustee, hereby certifies that, except for the exceptions noted on the schedule attached hereto, as to each Mortgage Loan listed in the Mortgage Loan Schedule it has reviewed the Mortgage File and has determined that (based solely on its review of each such documents on its face) (i) all documents described in clauses (i)-(v) of Section 2.01(b) of the Pooling and Servicing Agreement are in its possession, (ii) such documents have been reviewed by it and have not been mutilated, damaged, defaced, torn or otherwise physically altered and such documents relate to such Mortgage Loan and (iii) each Mortgage Note has been endorsed and each assignment of Mortgage has been delivered as provided in Section 2.01 of the Pooling and Servicing Agreement. The Trustee has made no independent examination of any documents required to be delivered in accordance with Section 2.01 of the Pooling and Servicing Agreement beyond the review specifically required therein. The Trustee makes no representations as to: (i) the validity, legality, sufficiency, enforceability or genuineness of any of the documents required to be delivered in accordance with Section 2.01 of the Pooling and Servicing Agreement or any of the Mortgage Loans identified on the Mortgage Loan Schedule, or (ii) the collectibility, insurability, effectiveness or suitability of any such Mortgage Loan. Capitalized terms used herein without definition have the meanings ascribed to them in the Pooling and Servicing Agreement. BANK ONE, NATIONAL ASSOCIATION, as Trustee By: By ______________________________ Authorized Representative To: Bank One, National Association In connection with the administration of the Mortgage Loans held by you as Trustee under the Pooling and Servicing Agreement dated as of June February 1, 2003, among the Credit Suisse First Boston Mortgage Securities Corp., as Depositor, DLJ Mortgage Capital, Inc., as seller (in such capacity, the “a Seller”), Chase Manhattan Mortgage Corporation, as master servicer (in such capacity, the “Master Servicer”), Washington Mutual Mortgage Securities Corp., as a seller (in such capacity, a “Seller”) Seller and a servicer (in such capacity, a “Servicer”), Fairbanks Capital Corp., as a servicer (in such capacity, a “Servicer”) Servicer and the special servicer (in such capacity, the “Special Servicer”), Bank One, National Association, as trustee (the “Trustee”) , and JPMorgan Chase Bank, as trust administrator (the “Trust Administrator”) Administrator (the “Pooling and Servicing Agreement”), the undersigned hereby requests a release of the Mortgage File held by you as Trustee with respect to the following described Mortgage Loan for the reason indicated below. Mortgagor’s Name: Address: Loan No.: Reason for requesting file: ____:

FORM OF SERVICER INFORMATION. The following information will be e-mailed to the Master Servicer by each Servicer, other than WMMSC, and to the Trust Administrator by the Master Servicer and WMMSC, in accordance with Section 4.05: Servicer Loan Number Trust Loan Number (if applicable) Scheduled Net Interest Scheduled Principal Curtailment Applied Curtailment Adjustment Mortgage Rate Servicing Fee Rate P&I Payment Beginning Scheduled Balance Ending Scheduled Balance Ending Actual Principal Balance Due Date Prepayment in full Principal Prepayment in full Net Interest Prepayment in full Penalty Delinquencies: 1-30 61-90 91 + Foreclosures REO Properties Loss Amounts & Loss Types (i.e., Bankruptcy, Excess, Deficient Valuation, Debt Reduction) Xxxxxxx Xxxxxx First Security Investor Reporting 150 000 Xxxxx Xxxxxx Xxxxx Chicago, IL 00000-0000 Phone No. 000-000-0000 Fax No. 312-425-4281 xxxxxxx@xxxx.xxx [name] JPMorgan Chase Bank [address] Phone No. [________] Fax No. [________] [email] Credit Suisse First Boston Mortgage Securities Corp. 11 00 Xxxxxxx Xxxxxx, 0xx Xxxxx Xxx Xxxx, Xxx Xxxx 00000 DLJ Mortgage Capital, Inc. 11 00 Xxxxxxx Xxxxxx, 0xx Xxxxx Xxx Xxxx, Xxx Xxxx 00000 Re: Pooling and Servicing Agreement (“Pooling and Servicing Agreement”) relating to [__________________] CSFB Mortgage-Backed Pass-Through Certificates, Series 200_-___ Ladies and Gentlemen: In accordance with and subject to the provisions of Section 2.02 of the Pooling and Servicing Agreement, the undersigned, as Trustee, hereby certifies that, except for the exceptions noted on the schedule attached hereto, it has (a) received an original Mortgage Note with respect to each Mortgage Loan listed on the Mortgage Loan Schedule and (b) received an original Mortgage (or a certified copy thereof) with respect to each Mortgage Loan listed on the Mortgage Loan Schedule in accordance with Section 2.01 of the Pooling and Servicing Agreement. The Trustee has made no independent examination of any documents contained in each Mortgage File beyond the review specifically mentioned above. The Trustee makes no representations as to: (i) the validity, legality, sufficiency, enforceability or genuineness of any of the documents delivered in accordance with Section 2.01 of the Pooling and Servicing Agreement or any of the Mortgage Loans identified in the Mortgage Loan Schedule, or (ii) the collectibility, insurability, effectiveness or suitability of any such Mortgage Loan. The Trustee acknowledges receipt of notice that the Depositor has granted to the Trustee for the benefit of the Certificateholders a security interest in all of the Depositor’s right, title and interest in and to the Mortgage Loans. Capitalized terms used herein without definition shall have the meaning assigned to them in the Pooling and Servicing Agreement. BANK ONE, NATIONAL ASSOCIATION, as Trustee By: :______________________________________ Authorized Representative Credit Suisse First Boston Mortgage Securities Corp. 11 00 Xxxxxxx Xxxxxx, 0xx Xxxxx Xxx Xxxx, Xxx Xxxx 00000 DLJ Mortgage Capital, Inc. 11 00 Xxxxxxx Xxxxxx, 0xx Xxxxx Xxx Xxxx, Xxx Xxxx 00000 Re: Pooling and Servicing Agreement (“Pooling and Servicing Agreement”) relating to [___________________] CSFB Mortgage-Backed Pass-Through Certificates, Series 200_-___ Ladies and Gentlemen: In accordance with and subject to the provisions of Section 2.02 of the above-referenced Pooling and Servicing Agreement the undersigned, as Trustee, hereby certifies that, except for the exceptions noted on the schedule attached hereto, as to each Mortgage Loan listed in the Mortgage Loan Schedule it has reviewed the Mortgage File and has determined that (based solely on its review of each such documents on its face) (i) all documents described in clauses (i)-(v) of Section 2.01(b) of the Pooling and Servicing Agreement are in its possession, (ii) such documents have been reviewed by it and have not been mutilated, damaged, defaced, torn or otherwise physically altered and such documents relate to such Mortgage Loan and (iii) each Mortgage Note has been endorsed and each assignment of Mortgage has been delivered as provided in Section 2.01 of the Pooling and Servicing Agreement. The Trustee has made no independent examination of any documents required to be delivered in accordance with Section 2.01 of the Pooling and Servicing Agreement beyond the review specifically required therein. The Trustee makes no representations as to: (i) the validity, legality, sufficiency, enforceability or genuineness of any of the documents required to be delivered in accordance with Section 2.01 of the Pooling and Servicing Agreement or any of the Mortgage Loans identified on the Mortgage Loan Schedule, or (ii) the collectibility, insurability, effectiveness or suitability of any such Mortgage Loan. Capitalized terms used herein without definition have the meanings ascribed to them in the Pooling and Servicing Agreement. BANK ONE, NATIONAL ASSOCIATION, as Trustee By: :______________________________________ Authorized Representative To: Bank One, National Association In connection with the administration of the Mortgage Loans held by you as Trustee under the Pooling and Servicing Agreement dated as of June July 1, 20032002, among the Depositor, DLJ Mortgage Capital, Inc., as seller (in such capacity, the “Seller”), Chase Manhattan Mortgage Corporation, as master servicer (in such capacity, the “Master Servicer”), GreenPoint Mortgage Funding, Inc., as a seller (in such capacity, a “Seller”), and as a servicer (in such capacity, a “Servicer”), First Nationwide Mortgage Corporation, as a servicer (in such capacity, a “Servicer”), Washington Mutual Mortgage Securities Corp., as a seller (in such capacity, a “Seller”) ), and as a servicer (in such capacity, a “Servicer”), Fairbanks Capital Corp.Olympus Servicing, L.P., as a servicer (in such capacity, a “Servicer”) and the special servicer (in such capacity, the “Special Servicer”), Bank One, National Association, as trustee (the “Trustee”) and JPMorgan Chase Bank, as trust administrator (the “Trust Administrator”) (the “Pooling and Servicing Agreement”), the undersigned hereby requests a release of the Mortgage File held by you as Trustee with respect to the following described Mortgage Loan for the reason indicated below. Mortgagor’s Name: Address: Loan No.: Reason for requesting file: ____