Nature of Operations and Principles of Consolidation: Civista Bancshares, Inc. ("CBI") is an Ohio corporation and a registered financial holding company. The Consolidated Financial Statements include the accounts of CBI and its wholly-owned direct and indirect subsidiaries: Civista Bank ("Civista"), First Citizens Insurance Agency, Inc. ("FCIA"), Water Street Properties, Inc. ("WSP"), CIVB Risk Management, Inc. ("CRMI") and First Citizens Investments, Inc. ("FCI"). The above companies together are sometimes referred to as the "Company". Intercompany balances and transactions are eliminated in consolidation. Management considers the Company to operate primarily in one reportable segment, banking.

Civista provides financial services through its offices in the Ohio counties of Champaign, Crawford, Cuyahoga, Erie, Franklin, Henry, Huron, Logan, Lorain, Madison, Medina, Montgomery, Ottawa, Richland, Summit, and Wood, in the Indiana counties of Dearborn and Ripley, and in the Kentucky county of Kenton. Its primary deposit products are checking, savings, and term certificate accounts, and its primary lending products are residential mortgage, commercial, and installment loans. Substantially all loans are secured by specific items of collateral including business assets, consumer assets and commercial and residential real estate. Commercial loans are expected to be repaid from cash flow from operations of businesses. There are no significant concentrations of loans to any one industry or customer. However, our customers’ ability to repay their loans is dependent on the real estate and general economic conditions in the area. Other financial instruments that potentially represent concentrations of credit risk include deposit accounts in other financial institutions.

Civista Leasing and Finance ("CLF"), formerly known as Vision Financial Group, Inc. ("VFG"), was acquired in the fourth quarter of 2022 as a wholly-owned subsidiary of Civista. As of August 31, 2023, VFG was merged into Civista and now operates as a full-service equipment leasing and financing division of Civista. The operations of CLF are headquartered in Pittsburgh, Pennsylvania.

FCIA was formed to allow the Company to participate in commission revenue generated through its third party insurance agreement. Insurance commission revenue was less than 1% of total revenue for the quarters ended March 31, 2026 and 2025. WSP was formed to hold repossessed assets of CBI’s subsidiaries. WSP revenue was less than 1% of total revenue for the quarters ended March 31, 2026 and 2025. CRMI was formed in 2017 to provide property and casualty insurance coverage to CBI and its subsidiaries for which insurance may not be currently available or economically feasible in the insurance marketplace. CRMI revenue was slightly above 1% of total revenue for the quarter ended March 31, 2026 but less than 1% for the quarter ended March 31, 2025. FCI is wholly-owned by Civista and holds and manages its securities portfolio. The operations of FCI are located in Wilmington, Delaware.

Acquisition of The Farmers Savings Bank ("FSB")

At the close of business on November 6, 2025, Civista closed its previously announced acquisition of FSB. The acquisition added approximately $268.1 million of total assets, $106.2 million of total loans and leases, $236.1 million of total deposits, and two branches. The 2025 results reflect inclusion of FSB since November 7, 2025.

Upon the closing of the acquisition, FSB was merged with and into Civista Bank. In addition, the management and organization structure was updated to reflect the combined organization. On-boarding of former FSB colleagues and their initial training was completed in the first quarter of 2026. Certain of Civista's products and services have been introduced across the legacy FSB customer base, and customer-facing colleagues are focused on both growing and retaining customers. Technology conversions were completed in mid-February 2026, as scheduled.

Offering of Common Shares

On July 10, 2025, CBI announced an underwritten public offering of up to a maximum of 3,788,238 of its common shares. CBI subsequently closed on the sale of 3,294,120 common shares on July 14, 2025, and the sale of an additional 494,118 common shares on July 16, 2025 pursuant to the underwriters' exercise of their overallotment option, at the public offering price of $21.25 per share. The aggregate net proceeds from the offering were approximately $75.7 million, after deducting $608 of direct expenses and the underwriting discount of $4.2 million. The net proceeds from the offering were initially used to pay-down short-term FHLB advances, but the long-term strategic plan is to use the net proceeds for general corporate purposes, which may include supporting organic growth opportunities and future strategic transactions.

The accompanying Unaudited Consolidated Financial Statements have been prepared by the Company without audit. In the opinion of management, all adjustments (which include only normal recurring adjustments) necessary to present fairly the Company’s financial position as of March 31, 2026 and its results of operations and changes in cash flows for the periods ended March 31, 2026 and 2025 have been made. The results of operations for the three months ended March 31, 2026 are not necessarily indicative of the operating results for the full year. Reference is made to the accounting policies of the Company described in the notes to the Audited Consolidated Financial Statements contained in the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2025. The Company has consistently followed these policies in preparing this Quarterly Report on Form 10-Q.

Recently Adopted and Newly Issued but Not Yet Effective Accounting Standards:

In December 2023, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU") 2023-09, Income Taxes (Topic 740): Improvements to Income Tax Disclosures. The amendments in this ASU require that public business entities on an annual basis (a) disclose specific categories in the rate reconciliation and (b) provide additional information for reconciling items that meet a quantitative threshold (if the effect of those reconciling items is equal to or greater than 5 percent of the amount computed by multiplying pretax income or loss by the applicable statutory income tax rate). The amendments in this ASU also require that all entities disclose on an annual basis the amount of income taxes paid (net of refunds received) disaggregated by federal (national), state, and foreign taxes, and the amount of income taxes paid (net of refunds received) disaggregated by individual jurisdictions in which income taxes paid (net of refunds received) is equal to or greater than 5 percent of total income taxes paid (net of refunds received). The amendments require that all entities disclose income (or loss) from continuing operations before income tax expense (or benefit) disaggregated between domestic and foreign and income tax expense (or benefit) from continuing operations disaggregated by federal (national), state, and foreign. The Company adopted ASU 2023-09 on a prospective basis effective January 1, 2025, and the adoption of the ASU did not have a material impact on the Company's Consolidated Financial Statements.

In March 2024, the FASB issued ASU 2024-01, Compensation - Stock Compensation (Topic 718): Scope Application of Profits Interest and Similar Awards. The amendments clarify how an entity determines whether a profits interest or similar award is (i) within scope of Compensation - Stock Compensation (Topic 718) or (ii) not a share-based payment arrangement and therefore within the scope of other guidance. The Company adopted ASU 2024-01 effective January 1, 2025. The adoption of ASU 2024-01 did not have a material impact on the Company's Consolidated Financial Statements.

In November 2024, the FASB issued ASU 2024-03: Income Statement-Reporting Comprehensive Income Expense Disaggregation Disclosures (Subtopic 220-40): Disaggregation of Income Statement Expenses. This ASU requires disaggregation of certain expense captions into specified categories in disclosures within the footnotes to the financial statements. This ASU does not change the expense captions an entity presents on the face of its income statement. ASU 2024-03 can be applied prospectively, and it is effective for annual periods beginning after December 15, 2026, and interim periods within fiscal years beginning after December 15, 2027. Early adoption and retrospective applications are permitted. The Company is currently evaluating the impact of ASU 2024-03 on its Consolidated Financial Statements.

In May 2025, the FASB issued ASU 2025-03, Business Combinations (Topic 805) and Consolidation (Topic 810): Determining the Accounting Acquirer in the Acquisition of a Variable Interest Entity ("VIE"). The ASU revises the guidance in ASC 805 to clarify that, in determining the accounting acquirer in "a business combination that is effected primarily by exchanging equity interests in which a VIE is acquired," an entity would be required to consider the factors in ASC paragraphs 805-10-55-12 through 55-15. Previously, the accounting acquirer in such transactions was always the primary beneficiary. The amendments in this ASU are effective for fiscal years beginning after December 15, 2026, including interim periods within those fiscal reporting periods. Early adoption is permitted as of the beginning of an interim or fiscal reporting period. The Company is currently evaluating the impact of ASU 2025-03, but it is not expected to have a material impact on its Consolidated Financial Statements.

In November 2025, the FASB issued ASU 2025-09: Derivatives and Hedging (Topic 815): Hedge Accounting Improvements. ASU 2025-09 amends ASC 815 to align hedge accounting more closely with an entity's economic risk management practices. Key amendments include (i) to allow designating a variable price component of a nonfinancial forecasted purchase or sale as the hedged risk, (ii) to allow grouping individual forecasted transactions with similar (not identical) risk exposures, (iii) a new model for hedging forecasted interest on variable-rate debt, enabling changes in index or tenor without redesignation, subject to simplifying assumptions, and (iv) additional clarifications related to hedge accounting of nonfinancial components, net written options, and dual-hedge strategies. ASU 2025-09 will be effective for annual periods after December 15, 2026, though early adoption is permitted. ASU 2025-09 is not expected to have a material impact on the Company's Consolidated Financial Statements.

In December 2025, the FASB issued ASU 2025-08, Financial Instruments - Credit Losses (Topic 326): Purchased Loans, which updates the accounting for Purchased Financial Assets ("PFA") under the CECL framework. The ASU expands the PFA model to include both Purchased Credit Deteriorated ("PCD") assets and certain non-PCD loan receivables, including purchased seasoned loans, applying the gross-up method to a broader group of acquired loans. This ASU addresses the long-standing concerns regarding double counting of credit losses and operational complexity under the prior CECL acquisition model. The ASU is effective for fiscal years beginning after December 15, 2026, but early adoption is permitted. The Company early adopted ASU 2025-08 on a prospective basis in the fourth quarter of 2025 in connection with the Company's acquisition of FSB that closed in November 2025.