EXHIBIT 99.1

CONSENT OF SHESHUNOFF & CO.

We hereby consent to the use of our name and to the description of our opinion, dated January 11, 2017, under the caption "Opinion of Sheshunoff – Financial Advisor to Tammcorp" in, and to the inclusion of our opinion letter as Appendix C, to the Proxy Statement-Prospectus, which Proxy Statement-Prospectus forms a part of the Registration Statement on Form S-4 of Southern Missouri.  By giving such consent, we do not thereby admit that we are experts with respect to any part of such Registration Statement within the meaning of the term "expert" as used in, or that we come within the category of persons whose consent is required under, the Securities Act of 1933, as amended, or the rules and regulations of the Securities and Exchange Commission promulgated thereunder.

/s/ Sheshunoff & Co.

Austin, Texas

April 25, 2017