Common use of Print Name of Buyer Clause in Contracts

Print Name of Buyer. By: ---------------------------------- Name: Title: Date: -------------------------------- IF AN ADVISER: Print Name of Buyer By: ---------------------------------- Name: Title: Date: -------------------------------- (SEAL) Exhibit M [Date] [Company] Re: Pooling and Servicing Agreement dated as of August 1, 2001 by and between Washington Mutual Mortgage Securities Corp., as Depositor and Master Servicer, and State Street Bank and Trust Company, as Trustee, relating to Washington Mutual Mortgage Securities Corp. Washington Mutual MSC Mortgage Pass-Through Certificates, Series 2001-MS10 Ladies and Gentlemen: In accordance with Section 2.02 of the above-captioned Pooling and Servicing Agreement, the undersigned, as Trustee, hereby certifies that, except as noted on the attachment hereto, as to each Mortgage Loan listed in the Mortgage Loan Schedule (other than any Mortgage Loan paid in full or listed on the attachment hereto) it or the Custodian on its behalf has reviewed the documents delivered to it or to the Custodian on its behalf pursuant to Section 2.01 of the Pooling and Servicing Agreement and has determined that (i) all documents required (in the case of instruments described in clauses (X)(v) and (Y)(x) of the definition of "Mortgage File," known by the Trustee to be required) pursuant to the definition of "Mortgage File" and Section 2.01 of the Pooling and Servicing Agreement have been executed and received as of the date hereof are in its possession or in the possession of the Custodian on its behalf and (ii) all such documents have been executed and relate to the Mortgage Loans identified in the Mortgage Loan Schedule. The Trustee has made no independent examination of such documents beyond the review specifically required in the above referenced Pooling and Servicing Agreement and has relied upon the purported genuineness and due execution of any such documents and upon the purported genuineness of any signature thereon. The Trustee makes no representations as to: (i) the validity, legality, enforceability or genuineness of any of the documents contained in each Mortgage File or any of the Mortgage Loans identified on the Mortgage Loan Schedule, or (ii) the collectability, insurability, effectiveness or suitability of any such Mortgage Loan. Capitalized words and phrases used herein shall have the respective meanings assigned to them in the above-captioned Pooling and Servicing Agreement. ------------------------------------- as Trustee By: ---------------------------------- Name: Title: EXHIBIT N BENEFIT PLAN AFFIDAVIT State Street Bank and Trust Company, as Trustee (the "Trustee") ▇▇▇ ▇▇▇▇▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇▇▇, ▇▇ ▇▇▇▇▇ Attn: Corporate Trust Department, Washington Mutual 2001-MS10 Washington Mutual Mortgage Securities Corp. ("Washington Mutual") ▇▇ ▇▇▇▇▇ ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇▇, ▇▇ ▇▇▇▇▇ RE: WASHINGTON MUTUAL MORTGAGE SECURITIES CORP. WASHINGTON MUTUAL MSC MORTGAGE PASS-THROUGH CERTIFICATES, SERIES 2001-MS10 (THE "TRUST") CLASS [B-4][B-5][B-6] CERTIFICATES (THE "PURCHASED CERTIFICATES") Under penalties of perjury, I, _____________________, declare that, to the best of my knowledge and belief, the following representations are true, correct and complete; and

Print Name of Buyer. By: ---------------------------------- ----------------------------------------- Name: Title: Date: -------------------------------- ---------------------------------------- IF AN ADVISER: Print Name of Buyer By: ---------------------------------- ----------------------------------------- Name: Title: Date: -------------------------------- ---------------------------------------- (SEAL) Exhibit M [Date] [Company] Re: Pooling and Servicing Agreement dated as of August October 1, 2001 by and between Washington Mutual Mortgage Securities Corp., as Depositor and Master Servicer, and State Street Bank and Bankers Trust CompanyCompany of California, N.A., as Trustee, relating to Washington Mutual Mortgage Securities Corp. Washington Mutual MSC WaMu Mortgage Pass-Through Certificates, Series 2001-MS10 AR2 Ladies and Gentlemen: In accordance with Section 2.02 of the above-captioned Pooling and Servicing Agreement, the undersigned, as [Trustee] [Initial Custodian], hereby certifies that, except as noted on the attachment hereto, as to each Mortgage Loan listed in the Mortgage Loan Schedule (other than any Mortgage Loan paid in full or listed on the attachment hereto) it or the Custodian on its behalf has reviewed the documents delivered to it or to the Custodian on its behalf pursuant to Section 2.01 of the Pooling and Servicing Agreement and has determined that (i) all documents required (in the case of instruments described in clauses (X)(vX)(ii), (X)(iv) and (Y)(xY)(ix) of the definition of "Mortgage File," known by the Trustee it to be required) pursuant to the definition of "Mortgage File" and Section 2.01 of the Pooling and Servicing Agreement to have been executed and received as of the date hereof are in its possession or in the possession of the Custodian on its behalf and (ii) all such documents have been executed and relate to the Mortgage Loans identified in the Mortgage Loan Schedule. The Trustee [Trustee] [Initial Custodian] has made no independent examination of such documents beyond the review specifically required in the above referenced Pooling and Servicing Agreement and has relied upon the purported genuineness and due execution of any such documents and upon the purported genuineness of any signature thereon. The Trustee [Trustee] [Initial Custodian] makes no representations as to: (i) the validity, legality, enforceability or genuineness of any of the documents contained in each Mortgage File or any of the Mortgage Loans identified on the Mortgage Loan Schedule, or (ii) the collectability, insurability, effectiveness or suitability of any such Mortgage Loan. Capitalized words and phrases used herein shall have the respective meanings assigned to them in the above-captioned Pooling and Servicing Agreement. ------------------------------------- as Trustee [Trustee] [Initial Custodian] By: ---------------------------------- ----------------------------------- Name: Title: EXHIBIT N BENEFIT PLAN AFFIDAVIT State Street Bank and Bankers Trust CompanyCompany of California, N.A., as Trustee (the "Trustee") ▇▇▇▇ ▇▇▇▇ ▇▇. ▇▇▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇▇▇Santa Ana, ▇▇ ▇▇▇▇▇ CA 92705 Attn: Corporate Trust Department, Washington Mutual 2001-MS10 Administration WA01A2 Washington Mutual Mortgage Securities Corp. ("Washington Mutual") ▇▇ ▇▇▇▇▇ ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇▇, ▇▇ ▇▇▇▇▇ RE: WASHINGTON MUTUAL MORTGAGE SECURITIES CORP. WASHINGTON MUTUAL MSC WaMu MORTGAGE PASS-THROUGH CERTIFICATES, SERIES 2001-MS10 AR2 (THE "TRUST") CLASS [B-4][B-5][B-6] CERTIFICATES (THE "PURCHASED CERTIFICATES") Under penalties of perjury, I, _____________________, declare that, to the best of my knowledge and belief, the following representations are true, correct and complete; and

Print Name of Buyer. By: ---------------------------------- --------------------------------------------- Name: Title: Date: -------------------------------- -------------------------------------------- IF AN ADVISER: Print Name of Buyer By: ---------------------------------- --------------------------------------------- Name: Title: Date: -------------------------------- -------------------------------------------- (SEAL) Exhibit M [Date] [Company] Re: Pooling and Servicing Agreement dated as of August December 1, 2001 by and between Washington Mutual Mortgage Securities Corp., as Depositor and Master Servicer, and State Street Bank and Trust Company, as Trustee, relating to Washington Mutual Mortgage Securities Corp. Washington Mutual MSC Mortgage Pass-Through Certificates, Series 2001-MS10 MS15 Ladies and Gentlemen: In accordance with Section 2.02 of the above-captioned Pooling and Servicing Agreement, the undersigned, as Trustee, hereby certifies that, except as noted on the attachment hereto, as to each Mortgage Loan listed in the Mortgage Loan Schedule (other than any Mortgage Loan paid in full or listed on the attachment hereto) it or the Custodian on its behalf has reviewed the documents delivered to it or to the Custodian on its behalf pursuant to Section 2.01 of the Pooling and Servicing Agreement and has determined that (i) all documents required (in the case of instruments described in clauses (X)(vX)(iv) and (Y)(xY)(ix) of the definition of "Mortgage File," known by the Trustee to be required) pursuant to the definition of "Mortgage File" and Section 2.01 of the Pooling and Servicing Agreement have been executed and received as of the date hereof are in its possession or in the possession of the Custodian on its behalf and (ii) all such documents have been executed and relate to the Mortgage Loans identified in the Mortgage Loan Schedule. The Trustee has made no independent examination of such documents beyond the review specifically required in the above referenced Pooling and Servicing Agreement and has relied upon the purported genuineness and due execution of any such documents and upon the purported genuineness of any signature thereon. The Trustee makes no representations as to: (i) the validity, legality, enforceability or genuineness of any of the documents contained in each Mortgage File or any of the Mortgage Loans identified on the Mortgage Loan Schedule, or (ii) the collectability, insurability, effectiveness or suitability of any such Mortgage Loan. Capitalized words and phrases used herein shall have the respective meanings assigned to them in the above-captioned Pooling and Servicing Agreement. ------------------------------------- as Trustee By: ---------------------------------- ------------------------------------------------- Name: Title: EXHIBIT N BENEFIT PLAN AFFIDAVIT State Street Bank and Trust Company, as Trustee (the "Trustee") ▇▇▇ ▇▇▇▇▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇▇▇, ▇▇ ▇▇▇▇▇ Attn: Corporate Trust Department, Washington Mutual 2001-MS10 MS15 Washington Mutual Mortgage Securities Corp. ("Washington Mutual") ▇▇ ▇▇▇▇▇ ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇▇, ▇▇ ▇▇▇▇▇ RE: WASHINGTON MUTUAL MORTGAGE SECURITIES CORP. WASHINGTON MUTUAL MSC MORTGAGE PASS-THROUGH CERTIFICATES, SERIES 2001-MS10 MS15 (THE "TRUST") CLASS [B-4][B-5][B-6] CERTIFICATES (THE "PURCHASED CERTIFICATES") Under penalties of perjury, I, _____________________, declare that, to the best of my knowledge and belief, the following representations are true, correct and complete; and

Print Name of Buyer. By: ---------------------------------- -------------------------------- Name: --------------------------- Title: Date: -------------------------------- -------------------------- IF AN ADVISER: Print Name of Buyer By: ---------------------------------- Name: Title: Date: -------------------------------- (SEAL) Exhibit M ----------------------------- EXHIBIT O [DateRESERVED] EXHIBIT P [CompanyRESERVED] Re: Pooling and Servicing Agreement dated as of August 1, 2001 by and between Washington Mutual Mortgage Securities Corp., as Depositor and Master Servicer, and EXHIBIT Q CERTIFICATE GUARANTY INSURANCE POLICY Ambac Assurance Corporation One State Street Bank and Trust CompanyPl▇▇▇, as Trustee, relating to Washington Mutual Mortgage Securities Corp. Washington Mutual MSC Mortgage Pass-Through Certificates, Series 2001-MS10 Ladies and Gentlemen: In accordance with Section 2.02 of the above-captioned Pooling and Servicing Agreement, the undersigned, as Trustee, hereby certifies that, except as noted on the attachment hereto, as to each Mortgage Loan listed in the Mortgage Loan Schedule (other than any Mortgage Loan paid in full or listed on the attachment hereto) it or the Custodian on its behalf has reviewed the documents delivered to it or to the Custodian on its behalf pursuant to Section 2.01 of the Pooling and Servicing Agreement and has determined that (i) all documents required (in the case of instruments described in clauses (X)(v) and (Y)(x) of the definition of "Mortgage File," known by the Trustee to be required) pursuant to the definition of "Mortgage File" and Section 2.01 of the Pooling and Servicing Agreement have been executed and received as of the date hereof are in its possession or in the possession of the Custodian on its behalf and (ii) all such documents have been executed and relate to the Mortgage Loans identified in the Mortgage Loan Schedule. The Trustee has made no independent examination of such documents beyond the review specifically required in the above referenced Pooling and Servicing Agreement and has relied upon the purported genuineness and due execution of any such documents and upon the purported genuineness of any signature thereon. The Trustee makes no representations as to: (i) the validity, legality, enforceability or genuineness of any of the documents contained in each Mortgage File or any of the Mortgage Loans identified on the Mortgage Loan Schedule, or (ii) the collectability, insurability, effectiveness or suitability of any such Mortgage Loan. Capitalized words and phrases used herein shall have the respective meanings assigned to them in the above-captioned Pooling and Servicing Agreement. ------------------------------------- as Trustee By: ---------------------------------- Name: Title: EXHIBIT N BENEFIT PLAN AFFIDAVIT State Street Bank and Trust Company, as Trustee (the "Trustee") ▇▇▇▇ ▇▇▇▇▇ ▇▇▇ ▇▇▇▇, ▇▇▇ ▇▇▇▇ ▇▇▇▇▇ Telephone: (212) 668-0340 CER▇▇▇▇▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇▇▇NTY INSURANCE POLICY Insured Obligations: Policy Number. AB0618BE RAMP Series 2002-RS6 Trust Mortgage Asset-Backed Pass-Through Certificates, ▇▇ ▇▇▇▇▇ AttnSeries 2002-RS6, Class A Premium: Corporate Trust DepartmentAs specified in the endorsement attached hereto. AMBAC ASSURANCE CORPORATION (AMBAC), Washington Mutual 2001-MS10 Washington Mutual Mortgage Securities Corp. a Wisconsin stock insurance corporation, in consideration of the payment of the premium and subject to the terms of this Policy, hereby agrees unconditionally and irrevocably to pay to the Trustee for the benefit of the Holders of the Insured Obligations, that portion of the Insured Amounts which shall become Due for Payment but shall be unpaid by reason of Nonpayment. Ambac will make such payments to the Trustee from its own funds on the later of ("Washington Mutual"a) ▇▇ ▇▇▇▇▇ ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇▇one (1) Business Day following notification to Ambac of Nonpayment or (b) the Business Day on which the Insured Amounts are Due for Payment. Such payments of principal or interest shall be made only upon presentation of an instrument of assignment in form and substance satisfactory to Ambac, ▇▇ ▇▇▇▇▇ RE: WASHINGTON MUTUAL MORTGAGE SECURITIES CORPtransferring to Ambac all rights under such Insured Obligations to receive the principal of and interest on the Insured Obligation. WASHINGTON MUTUAL MSC MORTGAGE PASS-THROUGH CERTIFICATESAmbac shall be subrogated to all the Holders' rights to payment on the Insured Obligations to the extent of the insurance disbursements so made. Once payments of the Insured Amounts have been made to the Trustee, SERIES 2001-MS10 (THE "TRUST") CLASS [B-4][B-5][B-6] CERTIFICATES (THE "PURCHASED CERTIFICATES") Under penalties Ambac shall have no further obligation hereunder in respect of perjurysuch Insured Amounts. In the event the Trustee for the Insured Obligations has notice that any payment of principal or interest on an insured Obligation which has become Due for Payment and which is made to a Holder by or on behalf of the Trustee has been deemed a preferential transfer and theretofore recovered from its Holder pursuant to the United States Bankruptcy Code in accordance with a final, Inonappealable order of a court of competent jurisdiction, such Holder will be entitled to payment from Ambac to the extent of such recovery if sufficient funds are not otherwise available. This Policy is noncancelable by Ambac for any reason, including failure to receive payment of any premium due hereunder. The premium on this Policy is not refundable for any reason. This Policy does not insure against loss of any prepayment or other acceleration payment which at any time may become due in respect of any Insured Obligation, other than at the sole option of Ambac, nor against any risk other than Nonpayment, including failure of the Trustee to make any payment due Holders of Insured Amounts. To the fullest extent permitted by applicable law, Ambac hereby waives and agrees not to assert any and all rights and defenses, to the extent such rights and defenses may be available to Ambac, to avoid payment of its obligations under this Policy in accordance with the express provisions hereof. Any capitalized terms not defined herein shall have the meaning given such terms in the endorsement attached hereto or in the Agreement. In witness whereof, Ambac has caused this Policy to be affixed with its corporate seal and to be signed by its duly authorized officers in facsimile to become effective as their original signatures and binding upon Ambac by virtue of the countersignature of its duly authorized representative. _______________________________ ____________________ President Secretary _______________________ Effective Date: November 26, declare that2002 Authorized Representative CERTIFICATE GUARANTY INSURANCE POLICY ENDORSEMENT Attached to and forming Effective Date of Endorsement: part of Policy No. AB0618BE November 26, 2002 issued to: JPMorgan Chase Bank, as Trustee on behalf of, and for the benefit of the Holders of, the Mortgage Asset- Backed Pass-Through Certificates, Series 2002-RS6, Class A Certificates, as Issued pursuant to the best Agreement For all purposes of my knowledge and beliefthis Policy, the following representations are true, correct and complete; andterms shall have the following meanings:

Print Name of Buyer. By: ---------------------------------- -------------------------------- Name: --------------------------- Title: Date: -------------------------------- -------------------------- IF AN ADVISER: Print Name of Buyer By: ---------------------------------- Name: Title: Date: -------------------------------- (SEAL) Exhibit M ----------------------------- EXHIBIT O [DateRESERVED] EXHIBIT P [CompanyRESERVED] Re: Pooling and Servicing Agreement dated as of August 1, 2001 by and between Washington Mutual Mortgage Securities Corp., as Depositor and Master Servicer, and EXHIBIT Q CERTIFICATE GUARANTY INSURANCE POLICY Ambac Assurance Corporation One State Street Bank and Trust CompanyPlaza, as Trustee15▇▇ ▇▇▇▇▇ ▇▇▇ ▇▇▇▇, relating to Washington Mutual Mortgage Securities Corp. Washington Mutual MSC Mortgage Pass-Through Certificates, Series 2001-MS10 Ladies and Gentlemen: In accordance with Section 2.02 of the above-captioned Pooling and Servicing Agreement, the undersigned, as Trustee, hereby certifies that, except as noted on the attachment hereto, as to each Mortgage Loan listed in the Mortgage Loan Schedule (other than any Mortgage Loan paid in full or listed on the attachment hereto) it or the Custodian on its behalf has reviewed the documents delivered to it or to the Custodian on its behalf pursuant to Section 2.01 of the Pooling and Servicing Agreement and has determined that (i) all documents required (in the case of instruments described in clauses (X)(v) and (Y)(x) of the definition of "Mortgage File," known by the Trustee to be required) pursuant to the definition of "Mortgage File" and Section 2.01 of the Pooling and Servicing Agreement have been executed and received as of the date hereof are in its possession or in the possession of the Custodian on its behalf and (ii) all such documents have been executed and relate to the Mortgage Loans identified in the Mortgage Loan Schedule. The Trustee has made no independent examination of such documents beyond the review specifically required in the above referenced Pooling and Servicing Agreement and has relied upon the purported genuineness and due execution of any such documents and upon the purported genuineness of any signature thereon. The Trustee makes no representations as to▇▇▇ ▇▇▇▇ ▇▇▇▇▇ Telephone: (i212) the validity, legality, enforceability or genuineness of any of the documents contained in each Mortgage File or any of the Mortgage Loans identified on the Mortgage Loan Schedule, or (ii) the collectability, insurability, effectiveness or suitability of any such Mortgage Loan. Capitalized words and phrases used herein shall have the respective meanings assigned to them in the above668-captioned Pooling and Servicing Agreement. ------------------------------------- as Trustee By: ---------------------------------- Name: Title: EXHIBIT N BENEFIT PLAN AFFIDAVIT State Street Bank and Trust Company, as Trustee (the "Trustee") ▇▇0340 CERTIFICAT▇ ▇▇▇▇▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇▇▇URANCE POLICY Insured Obligations: Policy Number. AB0581BE RAMP Series 2002-RS4 Trust Mortgage Asset-Backed Pass-Through Certificates, ▇▇ ▇▇▇▇▇ AttnSeries 2002-RS4, Class A Premium: Corporate Trust DepartmentAs specified in the endorsement attached hereto. AMBAC ASSURANCE CORPORATION (AMBAC), Washington Mutual 2001-MS10 Washington Mutual Mortgage Securities Corp. a Wisconsin stock insurance corporation, in consideration of the payment of the premium and subject to the terms of this Policy, hereby agrees unconditionally and irrevocably to pay to the Trustee for the benefit of the Holders of the Insured Obligations, that portion of the Insured Amounts which shall become Due for Payment but shall be unpaid by reason of Nonpayment. Ambac will make such payments to the Trustee from its own funds on the later of ("Washington Mutual"a) ▇▇ ▇▇▇▇▇ ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇▇one (1) Business Day following notification to Ambac of Nonpayment or (b) the Business Day on which the Insured Amounts are Due for Payment. Such payments of principal or interest shall be made only upon presentation of an instrument of assignment in form and substance satisfactory to Ambac, ▇▇ ▇▇▇▇▇ RE: WASHINGTON MUTUAL MORTGAGE SECURITIES CORPtransferring to Ambac all rights under such Insured Obligations to receive the principal of and interest on the Insured Obligation. WASHINGTON MUTUAL MSC MORTGAGE PASS-THROUGH CERTIFICATESAmbac shall be subrogated to all the Holders' rights to payment on the Insured Obligations to the extent of the insurance disbursements so made. Once payments of the Insured Amounts have been made to the Trustee, SERIES 2001-MS10 (THE "TRUST") CLASS [B-4][B-5][B-6] CERTIFICATES (THE "PURCHASED CERTIFICATES") Under penalties Ambac shall have no further obligation hereunder in respect of perjurysuch Insured Amounts. In the event the Trustee for the Insured Obligations has notice that any payment of principal or interest on an insured Obligation which has become Due for Payment and which is made to a Holder by or on behalf of the Trustee has been deemed a preferential transfer and theretofore recovered from its Holder pursuant to the United States Bankruptcy Code in accordance with a final, Inonappealable order of a court of competent jurisdiction, _____________________such Holder will be entitled to payment from Ambac to the extent of such recovery if sufficient funds are not otherwise available. This Policy is noncancelable by Ambac for any reason, declare thatincluding failure to receive payment of any premium due hereunder. The premium on this Policy is not refundable for any reason. This Policy does not insure against loss of any prepayment or other acceleration payment which at any time may become due in respect of any Insured Obligation, other than at the sole option of Ambac, nor against any risk other than Nonpayment, including failure of the Trustee to make any payment due Holders of Insured Amounts. To the fullest extent permitted by applicable law, Ambac hereby waives and agrees not to assert any and all rights and defenses, to the best extent such rights and defenses may be available to Ambac, to avoid payment of my knowledge its obligations under this Policy in accordance with the express provisions hereof. Any capitalized terms not defined herein shall have the meaning given such terms in the endorsement attached hereto or in the Agreement. In witness whereof, Ambac has caused this Policy to be affixed with its corporate seal and belief, to be signed by its duly authorized officers in facsimile to become effective as their original signatures and binding upon Ambac by virtue of the following representations are true, correct and complete; andcountersignature of its duly authorized representative.