Indicate by check mark whether the registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the SecuritiesExchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports),and (2) has been subject to such filing requirements for the past 90 days.Yes☒No☐ Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submittedpursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that theregistrant was required to submit such files).Yes☒No☐ Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smallerreporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smallerreporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act. If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period forcomplying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.☐ Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).Yes☐No☒ Common Stock, $0.10 Par Value –85,985,448shares outstanding as of April 30, 2025 INDEX SEACOAST BANKING CORPORATION OF FLORIDA AND SUBSIDIARIESNOTES TO CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED) Note 1 –Basis of Presentation Basis of Presentation:The accompanying unaudited consolidated financial statements of Seacoast Banking Corporation of Florida andits subsidiaries (the “Company”) have been prepared in accordance with U.S. GAAP for interim financial information and with theinstructions to Form 10-Q and Rule 10-01 of Regulation S-X. Accordingly, they do not include all of the information and footnotesrequired by U.S. GAAP for complete financial statements. In the opinion of management, all adjustments (consisting of normal Operating results for the three months ended March 31, 2025, are not necessarily indicative of the results that may be expected for theyear ending December 31, 2025, or any other period. For further information, refer to the consolidated financial statements and Use of Estimates:The preparation of these consolidated financial statements requires management to make judgments in theapplication of certain accounting policies that involve significant estimates and assumptions. The Company has established policiesand control procedures that are intended to ensure valuation methods are well-controlled and applied consistently from period toperiod. These estimates and assumptions, which may materially affect the reported amounts of certain assets, liabilities, revenues, andexpenses, are based on information available as of the date of the financial statements, and changes in this information over time and Issued Accounting Standards In December 2023, the FASB issued ASU 2023-09,Improvements to Income Tax Disclosures. ASU 2023-09 requires disclosure ofspecific categories in the income tax rate reconciliation and requires additional information for reconciling items that meet aquantitative threshold. The standard requires an annual disclosure of income taxes paid, net of refunds received, disaggregated byfederal, state and foreign taxes and to disaggregate the information by jurisdiction based on a quantitative threshold. The standard is In November 2024, the FASB issued ASU 2024-03,Expense Disaggregation Disclosures. ASU 2024-03 requires disclosure todisaggregate prescribed expenses within relevant income statement captions. The standard is effective for fiscal years beginning afterDecember 15, 2026 and for interim periods after December 15, 2027. Early adoption is permitted. The Company is evaluating the Table of Contents Note 2 –Earnings per Share Basic earnings per common share are computed by dividing net income available to common shareholders by the weighted-averagenumber of shares of common stock outstanding during the period. Diluted EPS are based on the weighted-average number of common For the three months ended March 31, 2025,327,620options to purchase shares of the Company’s common stock were anti-dilutive.For the three months ended March 31, 2024,327,006options to purchase shares of the Company’s common stock were anti-dilutive. Diluted earnings per share Note 3 –Securities The amortized cost, gross unrealized gains and losses and fair value of AFS and HTM securities at March 31, 2025 and December 31,2024are summarized as follows: Table of Contents gains (losses), net” are increases of $0.2million for the three months ended March 31, 2025, and decreases of $0.1million, for thethree months ended March 31, 2024 in the value of investments in mutual funds that invest in CRA-qualified debt securities. A