CIVISTA BANCSHARES INC

Evaluation of Disclosure Controls and Procedures

Under the supervision and with the participation of our management, including our Chief Executive Officer and our Principal Accounting Officer, we evaluated the effectiveness of the design and operation of our disclosure controls and procedures, as defined in Rule 13a-15 under the Exchange Act, as of the end of the fiscal year covered by this Annual Report on Form 10-K. Based upon that evaluation, our Chief Executive Officer and Principal Accounting Officer concluded that our disclosure controls and procedures as of December 31, 2023, were effective.

Management’s Annual Report on Internal Control over Financial Reporting

The “MANAGEMENT’S REPORT ON INTERNAL CONTROL OVER FINANCIAL REPORTING” is included in "ITEM 8. FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA" of this Annual Report on Form 10-K.

Audit Report of the Registered Public Accounting Firm

The “REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM” is included in "ITEM 8. FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA" of this Annual Report on Form 10-K.

Changes in Internal Control over Financial Reporting

There were no changes in the Company’s internal control over financial reporting that occurred during the Company’s most recent fiscal quarter ended December 31, 2023 that have materially affected, or are reasonably likely to materially affect, the Company’s internal control over financial reporting.