Washington Mutual Mortgage Pass-Through Certificates, WMALT Series 2005-7
(a) Documents filed as part of this report.       1. Not applicable.       2. Not applicable.       3. Not applicable.  (b) Exhibits required by Item 601     Exhibit No.  Description  31           Rule 13a-14(d) Certification  99.1         Officer's Certificate regarding              Annual Statement of Compliance of              Washington Mutual Bank, dated March 1, 2006  99.2         Report of Independent Registered Public Accounting Firm              on Management's Assertion Concerning Compliance with Washington              Mutual Bank's Minimum Servicing Standards as of and for the              year ended December 31, 2005 (incorporated by reference              to the designated exhibit included in the registrant's              Current Report on Form 8-K, filed on March 30, 2006,              (SEC File No. 333-103345))         The registrant filed Current Reports on Form 8-K that described distributions made to Certificateholders on the Distribution Date occurring in the month preceding the month in which such Current Report on Form 8-K was filed and also provided certain information regarding delinquent Mortgage Loans and credit enhancements as of such Distribution Date. Such Current Reports on Form 8-K are incorporated by reference herein, as follows:   Washington Mutual Mortgage Pass-Through Certificates, WMALT Series 2005-7   EVENT REPORTED Monthly Distribution Report sent to holders of the Certificates for           Date Distribution Report payments made in:                         Filed on Form 8-K: - -----------------                         ------------------  09/26/2005                                09/28/2005 10/25/2005                                10/27/2005 11/25/2005                                11/29/2005 12/27/2005                                12/29/2005                                            SIGNATURES       Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.  Dated:  March 30, 2006      WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.                               By: /s/ Thomas G. Lehmann                                 -------------------------------------                                Thomas G. Lehmann,                                     President    EX-31 2 exh31_wmalt20057.txt  Exhibit 31       Rule 13a-14(d) Certification                                                CERTIFICATION  I, Thomas G. Lehmann, President of Washington Mutual Mortgage Securities Corp., certify that:  1. I have reviewed this annual report on Form 10-K, and all reports on Form 8-K containing distribution or servicing reports filed in respect of periods included in the year covered by this annual report, of Washington Mutual Mortgage Pass-Through Certificates, WMALT Series 2005-7;  2. Based on my knowledge, the information in these reports, taken as a whole, does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading as of the last day of the period covered by this annual report;  3. Based on my knowledge, the distribution or servicing information required to be provided to the trustee by the servicer under the pooling and servicing, or similar, agreement, for inclusion in these reports is included in these reports;  4. Based on my knowledge and upon the annual  compliance  statement  included in the report and required to be delivered  to the trustee in  accordance  with the terms of the  pooling  and  servicing,  or  similar,  agreement,  and  except as disclosed in the reports,  the servicer has fulfilled its obligations  under the servicing agreement; and  5. The reports disclose all significant deficiencies relating to the servicer's compliance with the minimum servicing standards based upon the report provided by an independent public accountant, after conducting a review in compliance with the Uniform Single Attestation Program for Mortgage Bankers or similar procedure, as set forth in the pooling and servicing, or similar, agreement, that is included in these reports.  In giving the certifications above, I have reasonably relied on information provided to me by the following unaffiliated third parties acting as servicers and sub-servicers:     Flagstar Bank FSB, Greenpoint Mortgage Company   Dated: March 30, 2006                                        /s/ Thomas G. Lehmann                                      ----------------------------------------                                      Thomas G. Lehmann                                      President      EX-99.1 3 exh991_wmalt20057.txt  Exhibit 99.1   Officer's Certificate regarding Annual Statement of                Compliance of Washington Mutual Bank                               WASHINGTON MUTUAL BANK                               OFFICER'S CERTIFICATE  The  undersigned  officer of  Washington  Mutual  Bank (the  "Servicer")  hereby certifies  on behalf of the  Servicer  and on his own behalf for purposes of the Washington Mutual Mortgage  Pass-Through  Certificates,  WMALT Series 2005-7, as follows:  1. I am the duly appointed and qualified Senior Vice President of the Servicer.  2. Capitalized terms used and not defined herein shall have the meanings ascribed to such terms in the Pooling and Servicing Agreement related to the above-referenced series of Certificates.  3. I am duly authorized to execute and deliver this Officer's Certificate on behalf of the Servicer.  4. A review of the activities of the Servicer during the preceding calendar year and performance under this Agreement has been made under my supervision.  5. To the best of my knowledge, based on such review, the Servicer has fulfilled all its obligations under the Agreement throughout such year.         IN WITNESS WHEREOF, I have signed my name as of March 1, 2006.                            WASHINGTON MUTUAL BANK                        By: /s/ Henry J. Berens                          -------------------------------------                          Henry J. Berens                          Senior Vice President       -----END PRIVACY-ENHANCED MESSAGE-----