Capital Conservation Buf er Note 8: Stock-Based Compensation Busey has outstanding stock options assumed from acquisitions. A summary of the status of, and changes in, the Company's stock option awards for the six months ended June 30, 2023, follows: 36 Table of Contents FIRST BUSEY CORPORATION NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Unaudited) The 2020 Equity Plan was approved by stockholders at the 2020 Annual Meeting of Stockholders. A description of the 2020 Equity Plan can be found in Busey's Proxy ...

On March 27, 2020, the FDIC and other federal banking agencies published an interim final rule that provides those banking organizations adopting CECL during 2020 with the option to delay for two years the estimated impact of CECL on regulatory capital and to phase in the aggregate impact of the deferral on regulatory capital over a subsequent three-year period. On August 26, 2020, the CECL final rule was finalized and was substantially similar to the interim final rule. Under this final rule, because the C ...

Special Note Concerning Forward-Looking Statements 2 Ticker: BUSE 2 This document contains certain financial information determined by methods other than GAAP. Management uses these non-GAAP measures, together with the related GAAP measures, in analysis of the Company's performance and in making business decisions, as well as comparison to the Company's peers. The Company believes the adjusted measures are useful for investors and management to understand the effects of certain non-recurring noninterest ite ...

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Table of Contents Title of each class Trading Symbol (s) Name of each exchange on which registered Common Stock, $.001 par value BUSE The Nasdaq Stock Market LLC UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q þ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Quarterly Period Ended September 30, 2022 o Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Commission File No. 0-15950 FIRST BUSEY ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q ☑ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Quarterly Period Ended June 30, 2022 ☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Commission File No. 0-15950 FIRST BUSEY CORPORATION (Exact name of registrant as specified in its charter) Nevada 37-1078406 (State or other jurisdiction of incorporation or organization) ...

| --- | --- | --- | --- | --- | --- | --- | --- | |-------|-------|-------|-------|-------|-------|-------|----------------------------------------------------| | | | | | | | | | | | | | | | | | | | | | | | | | | July 26, 2022 2Q22 QUARTERLY EARNINGS SUPPLEMENT | | | | | | | | | | Special Note Concerning Forward-Looking Statements Statements made in this document, other than those concerning historical financial information, may be considered forwardlooking statements within the meaning of the Private Secur ...

1Q22 QUARTERLY EARNINGS SUPPLEMENT April 26, 2022 busey.com Member FDI Special Note Concerning Forward-Looking Statements Statements made in this document, other than those concerning historical financial information, may be considered forwardlooking statements within the meaning of the Private Securities Litigation Reform Act of 1995 with respect to the financial condition, results of operations, plans, objectives, future performance, and business of the Company. Forward-looking statements, which may be ba ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q ☑ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Quarterly Period Ended March 31, 2022 ☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Commission File No. 0-15950 FIRST BUSEY CORPORATION (Exact name of registrant as specified in its charter) Nevada 37-1078406 (State or other jurisdiction of incorporation or organization) ...

Table of Contents 7 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number 0-15950 FIRST BUSEY CORPORATION (Exact name of registrant as specified in its charter) Nevada 37-1078406 (State or other jurisdiction of incorporation of organizatio ...