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EXHIBIT DESCRIPTION
−Removed: Agreement and Plan of Merger dated July 22, 2025, between Mercantile Bank Corporation, Eastern Michigan Financial Corporation and Shamrock Merger Sub Inc., included as Annex A to the proxy statement/prospectus, which forms a part of the Company's Registration Statement on Form S-4/A filed October 21, 2025
−Removed: First Amendment to Agreement and Plan of Merger dated October 2, 2025, included as Annex A-2 to the proxy statement/prospectus, which forms a part of the Company's Registration Statement on Form S-4/A filed October 21, 2025
Articles of Incorporation of Mercantile Bank Corporation, including all amendments thereto, incorporated by reference to Exhibit 3.1 of our Form S-4 Registration Statement filed February 16, 2022
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Form of Registration Rights Agreement dated December 15, 2021, by and among Mercantile Bank Corporation and the Purchasers, incorporated by reference to our Current Report on Form 8-K filed December 17, 2021
−Removed: Form of Voting Agreement, incorporated by reference to our Current Report on Form 8-K/A filed July 29, 2025
+Added: 2026 Mercantile Executive Officer Bonus Plan, incorporated by reference to Exhibit 10.1 to our Current Report on Form 8-K filed March 19, 2026
Rule 13a-14(a) Certifications*
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Section 1350 Chief Financial Officer Certification**
−Removed: The following financial information from Mercantile’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2025, formatted in Inline XBRL (eXtensible Business Reporting Language):
+Added: The following financial information from Mercantile’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2026, formatted in Inline XBRL (eXtensible Business Reporting Language):
(i) the Consolidated Balance Sheets, (ii) the Consolidated Statements of Income, (iii) the Consolidated Statements of Comprehensive Income, (iv) the Consolidated Statements of Changes in Shareholders’ Equity, (v) the Consolidated Statements of Cash Flows, and (vi) the Notes to Consolidated Financial Statements*
Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101)*
−Removed: Pursuant to the requirements 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, on October 31, 2025.
+Added: * Filed herewith.
+Added: ** Furnished herewith.
+Added: Pursuant to the requirements 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, on May 1, 2026.
MERCANTILE BANK CORPORATION
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Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.