FIRST BUSEY CORP NV

EVALUATION OF DISCLOSURE CONTROLS AND PROCEDURES

An evaluation of Busey’s disclosure controls and procedures, as defined in Rule 13a-15(e) under the Exchange Act, was carried out as of December 31, 2024, under the supervision and with the participation of its Chief Executive Officer, Chief Financial Officer, and several other members of senior management. Based on this evaluation, Busey’s Chief Executive Officer and Chief Financial Officer concluded that, as of December 31, 2024, Busey’s disclosure controls and procedures were effective in ensuring that the information Busey is required to disclose in the reports Busey files or submits under the Exchange Act was (1) accumulated and communicated to Busey’s management (including the Chief Executive Officer and Chief Financial Officer) to allow timely decisions regarding required disclosure, and (2) recorded, processed, summarized, and reported within the time periods specified in the SEC’s rules and forms.

CHANGES IN INTERNAL CONTROL OVER FINANCIAL REPORTING

During the three months ended December 31, 2024, no change occurred in Busey’s internal control over financial reporting that has materially affected, or is reasonably likely to materially affect, Busey’s internal control over financial reporting.

MANAGEMENT’S REPORT ON INTERNAL CONTROL OVER FINANCIAL REPORTING

Busey’s management is responsible for establishing and maintaining adequate internal control over financial reporting. Busey’s internal control over financial reporting is a process designed under the supervision of Busey’s Chief Executive Officer and Chief Financial Officer to provide reasonable assurance regarding the reliability of financial reporting and the preparation of Busey’s Consolidated Financial Statements for external reporting purposes in accordance with U.S. generally accepted accounting principles.

As of December 31, 2024, management assessed the effectiveness of Busey’s internal control over financial reporting based on the criteria for effective internal control over financial reporting established in “Internal Control—Integrated Framework,” issued by the COSO in 2013. Based on this assessment, management determined that Busey maintained effective internal control over financial reporting as of December 31, 2024, based on the COSO criteria.

RSM US LLP, an independent registered public accounting firm that audited Busey’s Consolidated Financial Statements included in this Annual Report, has issued an audit opinion on the effectiveness of Busey’s internal control over financial reporting as of December 31, 2024. The report, which expresses an unqualified opinion on the effectiveness of Busey’s internal control over financial reporting as of December 31, 2024, is included in this Item under the heading“Report of Independent Registered Public Accounting Firm on Internal Control Over Financial Reporting.”

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