SEACOAST BANKING CORP OF FLORIDA

The CGC considers company and individual performance outcomes when determining the grant value of incentives. Considerations

for 2025 awards included the following items:

Charles M. Shaffer, Chairman and Chief Executive Officer

•Completing the acquisitions of Heartland Bancshares, Inc. and Villages Bancorporation, Inc. These two transactions were transformational for Seacoast's earnings outlook and improved shareholder returns•Focused effort to drive improvement in shareholder returns through creating stronger efficiency and productivity across the organization•Industry leading growth in loans outstanding and wealth management•Maintaining strong associate engagement and enterprise-wide alignment with Company culture•Continued focus on talent acquisition and maturity of the enterprise•Consistency in delivering shareholder value, with a balanced focus on risk adjusted returns and growth•Maintaining a strong relationship with shareholders, regulators and our communities at large

Tracey L. Dexter, Executive Vice President, Chief Financial Officer

•Contributions to enterprise-wide business strategy efforts and efficiency initiatives•Building strong relations with shareholders by establishing sound reputation of financial transparency•Successful execution of the acquisitions of Heartland Bancshares, Inc. and Villages Bancorporation, Inc.•Key role in investment decision-making and prioritizing the support for key projects and teams

Joseph M. Forlenza, Executive Vice President, Chief Risk Officer

•Continued contributions to the Company’s enterprise-wide risk management process•Additional improvements in governance, risk, and compliance oversight and reporting•Key role in rigorous due diligence of M&A opportunities•Additional enhancements to the Enterprise Risk Management (ERM) Program•Maturation of risk lines for mid-bank expectations •Maintained regulatory relationships and exam management

Juliette P. Kleffel, Executive Vice President, Chief Operating Officer

•Substantial year-over-year productivity gains in organizational units •Delivered a well-executed conversion of Heartland Bancshares, Inc.•Contributions to the implementation of our technology modernization •Key role in expanding the Bank's scalability with enhanced automation, process improvements and service delivery, with a focus on robotic process automation and maturing the organization towards an AI environment•Execution of strategy initiatives and top talent acquisition

Austen D. Carroll, Executive Vice President, Chief Lending Officer

•Contributions to the hiring of key leadership roles to build out the middle market segment in commercial banking •Expansion of key teams in north Florida and Atlanta, including top talent acquisition•A continued focus on recruiting exceptional talent to Seacoast•Achievement of record growth in our wealth management division•Industry leading loan growth •Key driver of Seacoast’s balanced growth strategy•Successful collaboration with internal partners to ensure adequate support and speed to market•Continued enhancements to commercial treasury management products and talent improvements

SEACOAST BANKING CORPORATION OF FLORIDA 33 PROXY STATEMENT 2026

Long-Term Incentives