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                          EXHIBIT 32.2

       CERTIFICATION OF CHIEF FINANCIAL OFFICER PURSUANT TO
          18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO
          SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Annual Report of NASB Financial, Inc. (the
"Company") on Form 10-K for the period ending September 30, 2010, as
filed with the Securities and Exchange Commission on the date hereof
(the "Report"), I, Rhonda Nyhus, Chief Financial Officer of the
Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted
pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

1.   The Report fully complies with the requirements of section 13(a)
or 15(d) of the Securities Exchange Act of 1934; and

2.   The information contained in the Report fairly presents, in all
material respects, the financial condition and result of operations of
the Company.


December 14, 2010           By:  /s/ Rhonda Nyhus
                                 Rhonda Nyhus
                                 Vice President and Treasurer


A signed original of this written statement required by Section 906 has
been provided to NASB Financial, Inc. and will be retained by NASB
Financial, Inc. and furnished to the Securities and Exchange Commission
or its staff upon request.



This certification is made solely for purpose of 18 U.S.C. Section
1350, subject to the knowledge standard contained therein, and not for
any other purpose.