FIRST MID BANCSHARES, INC.

proxy statement of Evergreen that also constitutes a prospectus of First Mid, which will be sent to the shareh old ers of Evergreen. Evergreen shareholders are urged to read the proxy statement/prospectus when it becomes available, which will contain important information about First Mid, Evergreen and the proposed transactions, including detailed risk factors. The proxy statement/prospectus and other documents which will be filed by First Mid with the SEC will be available free of ch ar ge at the SEC’s website, www.sec.gov. These documents also can be obtained free of charge by accessing First Mid’s website at ww w.f irstmid.com under the tab “Investor Relations” and then under “SEC Filings.” Alternatively, when available, these documents can be obtai ned free of charge from First Mid upon written request to First Mid Bancshares, PO Box 499, Mattoon, IL 61938, Attention: Investor Relat ion s; or from Evergreen upon written request to Evergreen Bancshares, Inc., 1701 Macklind Avenue, St. Louis, MO 63110, Attention: Chief Fi nan cial Officer. A final proxy statement/prospectus will be mailed to the shareholders of Evergreen. Participants in the Solicitation First Mid and Evergreen, and certain of their respective directors, executive officers, and other members of management and e mpl oyees, are participants in the solicitation of proxies in connection with the proposed transactions. Information about the directors and executive officers of First Mid is set forth in the proxy statement for its 2026