BUSE / First Busey Corporation - Pengajuan SECLaporan Tahunan, Pernyataan Proksi

First Busey Corporation
US ˙ NasdaqGS ˙ US3193832041

Mga Batayang Estadistika
LEI 549300X4ZNLYSX7GUY60
CIK 314489
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to First Busey Corporation
SEC Filings (Chronological Order)
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August 26, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 26, 2025 First Busey Corpo

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 26, 2025 First Busey Corporation (Exact name of Registrant as specified in its charter) Nevada 0-15950 37-1078406 (State of Incorporation) (Commission File Number) (I.R.S. Empl

August 26, 2025 EX-99.1

2 Investor Highlights | August 2025 First Busey Corporation | Ticker: BUSE 2 This presentation may contain “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995 with respect to the financial condition

Exhibit 99.1 BUSE INVESTOR HIGHLIGHTS August 26, 2025 2 Investor Highlights | August 2025 First Busey Corporation | Ticker: BUSE 2 This presentation may contain “forward-looking 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 First Busey Corp

August 8, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 08, 2025 First Busey Corpo

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 08, 2025 First Busey Corporation (Exact name of Registrant as specified in its charter) Nevada 0-15950 37-1078406 (State of Incorporation) (Commission File Number) (I.R.S. Empl

August 5, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

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, 2025 or ☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Commission File No.

July 22, 2025 EX-99.2

Q2 2025 EARNINGS INVESTOR PRESENTATION July 22, 2025 2 22Q25 Earnings Investor Presentation First Busey Corporation | Ticker: BUSE This presentation may contain “forward-looking statements” within the meaning of the Private Securities Litigation Refo

buse20250722x25q2xex992 Q2 2025 EARNINGS INVESTOR PRESENTATION July 22, 2025 2 22Q25 Earnings Investor Presentation First Busey Corporation | Ticker: BUSE This presentation may contain “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995 with respect to First Busey Corporation’s (“Busey’s”) financial condition, results of operations, plans, objectives, future performance, and business.

July 22, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 22, 2025 First Busey Corpora

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 22, 2025 First Busey Corporation (Exact name of Registrant as specified in its charter) Nevada 0-15950 37-1078406 (State of Incorporation) (Commission File Number) (I.R.S. Employ

July 22, 2025 EX-99.1

F I R S T B U S E Y C O R P O R A T I O N A N N O U N C E S 2 0 2 5 S E C O N D Q U A R T E R E A R N I N G S Q 2 | 2 0 2 5

F I R S T B U S E Y C O R P O R A T I O N A N N O U N C E S 2 0 2 5 S E C O N D Q U A R T E R E A R N I N G S Q 2 | 2 0 2 5 www.

July 8, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 08, 2025 First Busey Corpora

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 08, 2025 First Busey Corporation (Exact name of Registrant as specified in its charter) Nevada 0-15950 37-1078406 (State of Incorporation) (Commission File Number) (I.R.S. Employ

June 30, 2025 11-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 11-K/A (Amendment No. 1)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 11-K/A (Amendment No.

June 27, 2025 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 11-K þ Annual Report Pursuant to Section 15(d) of the Securities Exchange Act of 1934 For the Fiscal Year Ended December 31, 2024 o Transition Report Pursuant to Section 15(d) of the Securities Exchange Act of 1934 Commission File No.

June 3, 2025 8-A12B

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-A FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 First Busey Corporation (Exact name of registra

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-A FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 First Busey Corporation (Exact name of registrant as specified in its charter) Nevada (State or other jurisdiction of incorporation or organization) 37-1078406 (I.R.S. Employer Identification No.)

June 2, 2025 8-K

Other Events, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 29, 2025 First Busey Corporation (Exact name of Registrant as specified in its charter) Nevada 0-15950 37-1078406 (State of Incorporation) (Commission File Number) (I.R.S. Employe

May 20, 2025 EX-99.1

First Busey Corporation Closes Depositary Share Offering

Exhibit 99.1 FOR IMMEDIATE RELEASE May 20, 2025 First Busey Corporation Closes Depositary Share Offering LEAWOOD, KS—First Busey Corporation (“Busey”) (Nasdaq: BUSE), the holding company for Busey Bank and CrossFirst Bank, today announced the closing of its previously announced underwritten public offering of 8,600,000 depositary shares (inclusive of 600,000 depositary shares offered in connection

May 20, 2025 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Material Modification to Rights of Security Holders, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K Current Report PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 19, 2025 First Busey Corporation (Exact name of Registrant as specified in its charter) Nevada 0-15950 37-1078406 (State of Incorporation) (Commission File Number) (I.R.S. Employe

May 20, 2025 EX-4.1

Deposit Agreement, dated as of May 20, 2025, by and among First Busey Corporation, Computershare, Inc. and Computershare Trust Company, N.A., and the holders from time to time of Depositary Receipts described therein.

Exhibit 4.1 Execution Version FIRST BUSEY CORPORATION 8.25% FIXED-RATE SERIES B NON-CUMULATIVE PERPETUAL PREFERRED STOCK DEPOSIT AGREEMENT among FIRST BUSEY CORPORATION, COMPUTERSHARE INC., and COMPUTERSHARE TRUST COMPANY, N.A., and THE HOLDERS FROM TIME TO TIME OF THE DEPOSITARY RECEIPTS DESCRIBED HEREIN Dated as of May 20, 2025 THIS DEPOSIT AGREEMENT dated as of May 20, 2025, among (i) FIRST BUS

May 20, 2025 EX-3.2

Certificate of Designation designating the 8.25% Fixed-Rate Series B Non-Cumulative Perpetual Preferred Stock.

Exhibit 3.2 Filed in the Office of Secretary of State State Of Nevada Business Number C6781-1993 Filing Number 20254905072 Filed On 5/19/2025 11:49:00 AM Number of Pages 10 ~~ 1- - - -t FRANCISCO V. AGUILAR Secretary of State 401 North Carson Street Carson City, Nevada 89701-4201 (775) 684-5708 Website: www.nvsos.gov Certificate, Amendment or Withdrawal of Designation NRS 78.1955, 78.1955(6) x Cer

May 15, 2025 424B5

8,000,000 Depositary Shares, Each Representing a 1/40th Interest in a Share of 8.25% Fixed-Rate Series B Non-Cumulative Perpetual Preferred Stock

TABLE OF CONTENTS  Filed Pursuant to Rule 424(b)(5)  File No. 333-274620 Prospectus Supplement (To prospectus dated September 21, 2023) 8,000,000 Depositary Shares, Each Representing a 1/40th Interest in a Share of 8.25% Fixed-Rate Series B Non-Cumulative Perpetual Preferred Stock We are offering to sell 8,000,000 depositary shares, each representing a 1/40th ownership interest in a share of our 8

May 15, 2025 EX-FILING FEES

Table 1: Newly Registered and Carry Forward Securities

Calculation of Filing Fee Tables S-3 FIRST BUSEY CORP /NV/ Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Forward Form Type Carry Forward File Number Carry Forward Initial Effective Date Filing Fee Previously Paid in Connection with Unsold Securities to be Carried Forward Newly Registered Securities Fees to be Paid 1 Equity Depositary Shares, Each Representing a 1/40th interest in a share of 8.

May 14, 2025 EX-1.1

Underwriting Agreement, dated May 13, 2025.

Exhibit 1.1 8,000,000 Depositary Shares Each Representing a 1/40th Interest in a Share of 8.25% Fixed-Rate Series B Non-Cumulative Perpetual Preferred Stock UNDERWRITING AGREEMENT May 13, 2025 Piper Sandler & Co. Morgan Stanley & Co. LLC Keefe, Bruyette & Woods, Inc. As Representatives of the several Underwriters named in Schedule A hereto c/o Piper Sandler & Co. 1251 Avenue of the Americas, 6th F

May 14, 2025 EX-99.1

First Busey Corporation Prices Depositary Share Offering

Exhibit 99.1 FOR IMMEDIATE RELEASE May 14, 2025 First Busey Corporation Prices Depositary Share Offering LEAWOOD, KS—First Busey Corporation (“Busey”) (Nasdaq: BUSE), the holding company for Busey Bank and CrossFirst Bank, announced the pricing of an underwritten public offering of 8,000,000 depositary shares, each representing a 1/40th ownership interest in a share of its 8.25% Fixed Rate Series

May 14, 2025 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K Current Report PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 13, 2025 First Busey Corporation (Exact name of Registrant as specified in its charter) Nevada 0-15950 37-1078406 (State of Incorporation) (Commission File Number) (I.R.S. Employe

May 13, 2025 FWP

8,000,000 Depositary Shares, Each Representing a 1/40th Interest in a Share of 8.25% Fixed-Rate Series B Non-Cumulative Perpetual Preferred Stock Term Sheet

Free Writing Prospectus Supplementing the Preliminary Prospectus Supplement, dated May 13, 2025 Filed pursuant to Rule 433 Registration Statement No.

May 13, 2025 424B5

SUBJECT TO COMPLETION, DATED MAY 13, 2025

TABLE OF CONTENTS The information in this preliminary prospectus supplement is not complete and may be changed.

May 13, 2025 FWP

INVESTOR PRESENTATION May 2025 DRAFT 2 Investor Presentation First Busey Corporation | Ticker: BUSE 2 This presentation may contain “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995 with respect t

Free Writing Prospectus Filed Pursuant to Rule 433 Registration Statement No. 333-274620 Dated May 13, 2025 INVESTOR PRESENTATION May 2025 DRAFT 2 Investor Presentation First Busey Corporation | Ticker: BUSE 2 This presentation may contain “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995 with respect to the financial condition, results of oper

May 9, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

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, 2025 or ☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Commission File No.

May 9, 2025 EX-10.1

Amendment to Employment Agreement, dated March 4, 2025, by and between First Busey Corporation and Amy L. Randolph

EXHIBIT 10.1 AMENDMENT TO EMPLOYMENT AGREEMENT THIS AMENDMENT TO EMPLOYMENT AGREEMENT (this “Amendment”), is entered into as of March 4, 2025, by and among First Busey Corporation (“First Busey”), Busey Bank (the “Bank,” and together with First Busey, “Employer”) and Amy L. Randolph (“Executive”). RECITALS A. Employer and Executive entered into an Employment Agreement effective as of December 5, 2

May 9, 2025 EX-10.2

Form of Retention Agreement, dated March 1, 2025

RETENTION AGREEMENT This RETENTION AGREEMENT (this “Agreement”) is entered into by and among FIRST BUSEY CORPORATION (“First Busey”), BUSEY BANK (the “Bank,” and together with First Busey, “Employer”) and [NAME] (“Executive”).

May 9, 2025 EX-4.1

Description of First Busey Corporation’s Securities Registered Pursuant to Section 12 of The Securities Exchange Act of 1934

EXHIBIT 4.1 DESCRIPTION OF FIRST BUSEY CORPORATION’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 The common stock of First Busey Corporation (the “Company,” which is also referred to herein as “we,” “our” or “us”) is registered pursuant to Section 12 of the Securities Exchange Act of 1934, as amended. The following description of the material terms of the Co

May 1, 2025 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 30, 2025 First Busey Corporation (Exact name of Registrant as specified in its charter) Nevada 0-15950 37-1078406 (State of Incorporation) (Commission File Number) (I.R.S. Emplo

April 22, 2025 EX-99.1

F I R S T B U S E Y C O R P O R A T I O N A N N O U N C E S 2 0 2 5 F I R S T Q U A R T E R R E S U L T S Q 1 | 2 0 2 5

EX-99.1 2 buse20250422x25q1xex991.htm EX-99.1 F I R S T B U S E Y C O R P O R A T I O N A N N O U N C E S 2 0 2 5 F I R S T Q U A R T E R R E S U L T S Q 1 | 2 0 2 5 www.busey.com INVESTOR CONTACT: Scott A. Phillips, Interim Chief Financial Officer | 239-689-7167 LEAWOOD, KS, April 22, 2025, (GLOBE NEWSWIRE) – First Busey Corporation (Nasdaq: BUSE) reports first quarter results. Busey completed th

April 22, 2025 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 22, 2025 First Busey Corporation (Exact name of Registrant as specified in its charter) Nevada 0-15950 37-1078406 (State of Incorporation) (Commission File Number) (I.R.S. Emplo

April 22, 2025 EX-99.2

Q1 2025 EARNINGS INVESTOR PRESENTATION April 22, 2025 2 21Q25 Earnings Investor Presentation First Busey Corporation | Ticker: BUSE This presentation may contain “forward-looking statements” within the meaning of the Private Securities Litigation Ref

EX-99.2 3 buse20250422x25q1xex992.htm EX-99.2 Q1 2025 EARNINGS INVESTOR PRESENTATION April 22, 2025 2 21Q25 Earnings Investor Presentation First Busey Corporation | Ticker: BUSE This presentation may contain “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995 with respect to First Busey Corporation’s (“Busey’s”) financial condition, results of op

April 18, 2025 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant: ☒ Filed by a Party other than the Registrant: ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Conf

April 18, 2025 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant: ☒ Filed by a Party other than the Registrant: ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use

April 8, 2025 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 08, 2025 First Busey Corporation (Exact name of Registrant as specified in its charter) Nevada 0-15950 37-1078406 (State of Incorporation) (Commission File Number) (I.R.S. Emplo

March 7, 2025 S-8 POS

As filed with the Securities and Exchange Commission on March 7, 2025

As filed with the Securities and Exchange Commission on March 7, 2025 Registration No.

March 3, 2025 EX-10.6

Employment Agreement, dated as of March 1, 2025, by and between First Busey Corporation, Busey Bank and Scott A. Phillips.*

Exhibit 10.6 EMPLOYMENT AGREEMENT This Employment Agreement (this “Agreement”) is by and among First Busey Corporation (“First Busey”), Busey Bank (the “Bank” and, together with First Busey, “Employer”), and Scott A. Phillips (“Executive,” and together with Employer, the “Parties”). This Agreement shall be effective as of the Effective Time of the Merger (each as defined in the Agreement and Plan

March 3, 2025 EX-3.3

Certificate of Amendment to Articles of Incorporation of First Busey Corporation, dated February 27, 2025.*

Exhibit 3.3 Filed in the Office of Secretary of State State Of Nevada Business Number C6781-1993 Filing Number 20254696516 Filed On 2/27/2025 10:02:00 AM Number of Pages 3

March 3, 2025 EX-99.3

UNAUDITED PRO FORMA COMBINED FINANCIAL STATEMENTS

Exhibit 99.3 UNAUDITED PRO FORMA COMBINED FINANCIAL STATEMENTS The following unaudited pro forma combined financial information combines the historical consolidated financial position and results of operations of Busey and CrossFirst as an acquisition of CrossFirst by Busey. The merger agreement was entered into on August 26, 2024, and provides that each share of CrossFirst common stock issued and

March 3, 2025 EX-3.5

Amendment to the Second Amended and Restated By-laws of First Busey Corporation.*

Exhibit 3.5 AMENDMENT TO THE SECOND AMENDED AND RESTATED BY-LAWS OF FIRST BUSEY CORPORATION The Second Amended and Restated By-Laws of First Busey Corporation (the “By-Laws”) shall be amended as follows: A new Article X shall be added to the By-Laws to state: ARTICLE X CERTAIN GOVERNANCE MATTERS Section 10.1.         Interpretation; Definitions. (a)            The provisions of this Article X shal

March 3, 2025 EX-99.2

CrossFirst Bankshares, Inc. Independent Auditor’s Report and Consolidated Financial Statements December 31, 2024, 2023 and 2022 CrossFirst Bankshares, Inc. Table of Contents

Exhibit 99.2 CrossFirst Bankshares, Inc. Independent Auditor’s Report and Consolidated Financial Statements December 31, 2024, 2023 and 2022 CrossFirst Bankshares, Inc. Table of Contents Page Number Report of Forvis Mazars, LLP Independent Registered Public Accounting Firm 3 Consolidated Statements of Financial Condition 6 Consolidated Statements of Operations 7 Consolidated Statements of Comprehe

March 3, 2025 EX-10.3

Employment Agreement, dated June 1, 2020, by and between CrossFirst Bankshares, Inc. and Michael J. Maddox.*

Exhibit 10.3 EMPLOYMENT AGREEMENT THIS EMPLOYMENT AGREEMENT (the “Agreement”) is made and entered into on June 1, 2020 (the “Effective Date’) by and between CrossFirst Bankshares, Inc. a Kansas corporation, (“Bankshares”) and Michael J. Maddox, (“Employee”), with reference to the following facts: RECITALS: The parties have agreed to execute this Agreement in order to memorialize the terms and cond

March 3, 2025 EX-10.4

CrossFirst Bankshares, Inc. 2018 Omnibus Equity Incentive Plan, as Amended and Restated.*

Exhibit 10.4 CROSSFIRST BANKSHARES, INC. 2018 OMNIBUS EQUITY INCENTIVE PLAN (As Amended and Restated) TABLE OF CONTENTS SECTION 1 INTRODUCTION 1 1.1 Establishment 1 1.2 Purpose 1 1.3 Duration 1 SECTION 2 DEFINITIONS 1 2.1 Definitions 1 2.2 General Interpretive Principles 8 SECTION 3 PLAN ADMINISTRATION 8 3.1 Composition of Committee 8 3.2 Authority of Committee 8 3.3 Committee Delegation 10 3.4 De

March 3, 2025 EX-10.5

Form of Retention Agreement, dated as of March 1, 2025.*

Exhibit 10.5 RETENTION AGREEMENT This RETENTION AGREEMENT (this “Agreement”) is entered into by and among FIRST BUSEY CORPORATION (“First Busey”), BUSEY BANK (the “Bank,” and together with First Busey, “Employer”) and [NAME] (“Executive”). This Agreement shall be effective as of the Effective Time of the Merger (each as defined in the Agreement and Plan of Merger (the “Merger Agreement”) by and be

March 3, 2025 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Material Modification to Rights of Security Holders, Financial Statements and Exhibits, Completion of Acquisition or Disposition of Assets, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 1, 2025 FIRST BUSEY CORPORATION (Exact name of registrant as specified in its charter) Nevada 0-15950 37-1078406 (State or other jurisdiction of incorporation) (Commission File

March 3, 2025 EX-99.1

First Busey Corporation Completes Acquisition of CrossFirst Bankshares, Inc. and CrossFirst Bank

Exhibit 99.1 FOR IMMEDIATE RELEASE March 3, 2025 First Busey Corporation Completes Acquisition of CrossFirst Bankshares, Inc. and CrossFirst Bank CHAMPAIGN, IL and LEAWOOD, KS—First Busey Corporation (“Busey”) (NASDAQ: BUSE), the holding company for Busey Bank, announced today the completion of its acquisition by merger of CrossFirst Bankshares, Inc. (“CrossFirst”) (NASDAQ: CFB), the holding compa

March 3, 2025 EX-3.6

Certificate of Designation of Series A Non-Cumulative Perpetual Preferred Stock of First Busey Corporation.*

Exhibit 3.6 Filed in the Office of Secretary of State State Of Nevada Business Number C6781-1993 Filing Number 20254696374 Filed On 2/27/2025 10:02:00 AM Number of Pages 10

February 27, 2025 EX-19.1

First Busey Corporation Insider Trading Policy

EXHIBIT 19.1 FIRST BUSEY CORPORATION INSIDER TRADING POLICY POLICY STATEMENT It is the policy of the First Busey Corporation (together with its subsidiaries, the “Company”) to prohibit the unauthorized disclosure of any nonpublic information acquired in the workplace and the misuse of Material Nonpublic Information in securities trading. PURPOSE This Insider Trading Policy (this “Policy”) provides

February 27, 2025 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K

Table of Contents 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, 2024 ☐ 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 registra

February 27, 2025 EX-10.24

First Busey Corporation 2021 Employee Stock Purchase Plan First Amendment

EXHIBIT 10.24 FIRST BUSEY CORPORATION 2021 EMPLOYEE STOCK PURCHASE PLAN FIRST AMENDMENT This First Amendment (the “Amendment”) to the First Busey Corporation 2021 Employee Stock Purchase Plan (the “Plan”) is made by First Busey Corporation (the “Company”). Capitalized terms not defined herein shall have the same meaning as set forth in the Plan. Whereas, the Company sponsors and maintains the Plan

February 27, 2025 EX-21.1

List of Subsidiaries of First Busey Corporation

EXHIBIT 21.1 Subsidiaries of First Busey Corporation DIRECT Subsidiary State of Incorporation or Organization Busey Bank Illinois Deed of Trust Services Corporation Missouri First Busey Statutory Trust II Delaware First Busey Statutory Trust III Delaware First Busey Statutory Trust IV Delaware Pulaski Financial Statutory Trust I Connecticut Pulaski Financial Statutory Trust II Delaware Merchants a

February 27, 2025 EX-4.2

Description of the Company’s securities

EXHIBIT 4.2 DESCRIPTION OF FIRST BUSEY CORPORATION’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 The common stock of First Busey Corporation (the “Company,” which is also referred to herein as “we,” “our” or “us”) is registered pursuant to Section 12 of the Securities Exchange Act of 1934, as amended. The following description of the material terms of the Co

February 27, 2025 EX-10.23

Amendment to the First Busey Corporation Profit Sharing Plan and Trust, effective September 27, 2024

© Copyright 2023 9-27-2024 Page 1 AMENDMENT TO THE FIRST BUSEY CORPORATION PROFIT SHARING PLAN AND TRUST (“the Plan”) WHEREAS, First Busey Corporation (the “Employer”) maintains the First Busey Corporation Profit Sharing Plan and Trust (the “Plan”) for its employees; WHEREAS, First Busey Corporation has decided that it is in its best interest to amend the Plan; WHEREAS, Section 14.

February 21, 2025 EX-10.1

Separation Agreement between First Busey Corporation and Jeffrey D. Jones, dated February 18, 2025

Exhibit 10.1 FIRST BUSEY CORPORATION 100 W. UNIVERSITY AVE. CHAMPAIGN, IL 61820 February 18, 2025 Mr. Jeffrey D. Jones 1607 Mullikin Drive Champaign, IL 61822 Dear Jeff: As discussed, your employment with First Busey Corporation (“First Busey”) and its subsidiaries (collectively with First Busey, “Employer”) will end on February 18, 2025 (the “Separation Date”). This letter is being provided to yo

February 21, 2025 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 18, 2025 FIRST BUSEY CORPORATION (Exact name of registrant as specified in its charter) Nevada 0-15950 37-1078406 (State or other jurisdiction of incorporation) (Commission F

January 28, 2025 EX-99.1

F I R S T B U S E Y C O R P O R A T I O N A N N O U N C E S 2 0 2 4 F O U R T H Q U A R T E R E A R N I N G S Q 4 | 2 0 2 4

F I R S T B U S E Y C O R P O R A T I O N A N N O U N C E S 2 0 2 4 F O U R T H Q U A R T E R E A R N I N G S Q 4 | 2 0 2 4 January 28, 2025 First Busey Corporation Announces 2024 Fourth Quarter Earnings CHAMPAIGN, IL – (GLOBE NEWSWIRE) – First Busey Corporation (Nasdaq: BUSE) Net Income of $28.

January 28, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): January 28, 2025 First Busey Corp

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): January 28, 2025 First Busey Corporation (Exact name of Registrant as specified in its charter) Nevada 0-15950 37-1078406 (State of Incorporation) (Commission File Number) (I.R.S. Emp

January 28, 2025 EX-99.2

Q4 2024 EARNINGS INVESTOR PRESENTATION January 28, 2025 2 24Q24 Earnings Investor Presentation First Busey Corporation | Ticker: BUSE This presentation may contain “forward-looking statements” within the meaning of the Private Securities Litigation R

buse20250128x24q4xex992 Q4 2024 EARNINGS INVESTOR PRESENTATION January 28, 2025 2 24Q24 Earnings Investor Presentation First Busey Corporation | Ticker: BUSE This presentation may contain “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995 with respect to First Busey Corporation’s (“Busey’s”) financial condition, results of operations, plans, objectives, future performance, and business.

January 17, 2025 EX-99.1

First Busey Corporation Receives Federal Reserve Approval to Acquire CrossFirst Bankshares, Inc.

Exhibit 99.1 FOR IMMEDIATE RELEASE January 17, 2025 First Busey Corporation Receives Federal Reserve Approval to Acquire CrossFirst Bankshares, Inc. CHAMPAIGN, IL and LEAWOOD, KS—First Busey Corporation (“Busey”) (NASDAQ: BUSE), the holding company for Busey Bank, today announced it has received the approval of the Federal Reserve to acquire by merger CrossFirst Bankshares, Inc. (“CrossFirst”), th

January 17, 2025 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 16, 2025 FIRST BUSEY CORPORATION (Exact name of registrant as specified in its charter) Nevada 0-15950 37-1078406 (State or other jurisdiction of incorporation) (Commission Fi

January 14, 2025 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): January 14, 2025 First Busey Corporation (Exact name of Registrant as specified in its charter) Nevada 0-15950 37-1078406 (State of Incorporation) (Commission File Number) (I.R.S. Emp

December 23, 2024 EX-99.1

First Busey Corporation and CrossFirst Bankshares, Inc. Announce Shareholder Approvals of Merger

Exhibit 99.1 FOR IMMEDIATE RELEASE December 23, 2024 First Busey Corporation and CrossFirst Bankshares, Inc. Announce Shareholder Approvals of Merger CHAMPAIGN, IL and LEAWOOD, KS—First Busey Corporation (“First Busey”) (Nasdaq: BUSE), the holding company of Busey Bank, and CrossFirst Bankshares, Inc. (“CrossFirst”) (Nasdaq: CFB), the holding company of CrossFirst Bank, today jointly announced tha

December 23, 2024 8-K

Financial Statements and Exhibits, Other Events, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 20, 2024 First Busey Corporation (Exact name of registrant as specified in its charter) Nevada 0-15950 37-1078406 (State or other jurisdiction of incorporation) (Commission F

December 13, 2024 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 13, 2024 First Busey Corporation (Exact name of registrant as specified in its charter) Nevada 0-15950 37-1078406 (State or other jurisdiction of incorporation) (Commission F

December 13, 2024 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 13, 2024 First Busey Cor

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 13, 2024 First Busey Corporation (Exact name of registrant as specified in its charter) Nevada 0-15950 37-1078406 (State or other jurisdiction of incorporation) (Commission F

November 13, 2024 424B3

To the Stockholders of First Busey Corporation and CrossFirst Bankshares, Inc. MERGER PROPOSED — YOUR VOTE IS VERY IMPORTANT

TABLE OF CONTENTS   Filed Pursuant to Rule 424(b)(3)  Registration No. 333-282727 To the Stockholders of First Busey Corporation and CrossFirst Bankshares, Inc. MERGER PROPOSED — YOUR VOTE IS VERY IMPORTANT On behalf of the boards of directors of First Busey Corporation (“Busey”) and CrossFirst Bankshares, Inc. (“CrossFirst”), we are pleased to enclose the accompanying joint proxy statement/prospe

November 8, 2024 EX-99.3

Consent of Raymond James & Associates, Inc.*

Exhibit 99.3 Consent of Raymond James & Associates, Inc. Raymond James & Associates, Inc. (“Raymond James”) consents to (i) the inclusion and description of our opinion letter dated August 26, 2024 to the Board of Directors of First Busey Corporation (the “Company”) included as Annex D to the joint proxy statement/prospectus relating to the proposed merger of the Company with CrossFirst Bankshares

November 8, 2024 CORRESP

[Signature Page for S-4 Acceleration Request]

November 8, 2024 Via EDGAR United States Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.

November 8, 2024 S-4/A

As filed with the Securities and Exchange Commission on November 8, 2024

TABLE OF CONTENTS As filed with the Securities and Exchange Commission on November 8, 2024 Registration No.

November 8, 2024 EX-99.1

Form of Proxy of First Busey Corporation*

Exhibit 99.1 FIRST BUSEY CORPORATION 100 WEST UNIVERSITY AVENUE CHAMPAIGN, IL 61820 VOTE BY INTERNET Before The Meeting - Go to www.proxyvote.com or scan the QR Barcode above Use the Internet to transmit your voting instructions and for electronic delivery of information. Vote by 11:59 p.m. Eastern Time on December 19, 2024 for shares held directly and by 11:59 p.m. Eastern Time on December 17, 20

November 8, 2024 EX-99.2

Form of Proxy of CrossFirst Bankshares, Inc.*

Exhibit 99.2 CROSSFIRST BANKSHARES, INC C/O BROADRIDGE CORPORATE ISSUER SOLUTIONS PO. BOX 1342 BRENTWOOD, NY 1171 7 VOTE BY INTERNET Before The Meeting - Go to www.proxyvote.com or scan the QR Barcode above Use the Internet to transmit your voting instructions and for electronic delivery of information up until 11 :59 p.m. (ET) on December 19, 2024. Have your proxy card in hand when you access the

November 8, 2024 EX-99.4

Consent of Keefe, Bruyette & Woods, Inc.*

Exhibit 99.4 CONSENT OF KEEFE, BRUYETTE & WOODS, INC. We hereby consent to the inclusion of our opinion letter to the Board of Directors of CrossFirst Bankshares, Inc. (“CrossFirst”), as Annex E to the joint proxy statement/prospectus which forms a part of Amendment No. 1 to the Registration Statement on Form S-4 (Registration No. 333-282727) filed on the date hereof (the “Amended Registration Sta

November 5, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

Table of Contents 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, 2024 o Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Commission File No.

October 22, 2024 EX-99.1

F I R S T B U S E Y C O R P O R A T I O N A N N O U N C E S 2 0 2 4 T H I R D Q U A R T E R E A R N I N G S Q 3 | 2 0 2 4

F I R S T B U S E Y C O R P O R A T I O N A N N O U N C E S 2 0 2 4 T H I R D Q U A R T E R E A R N I N G S Q 3 | 2 0 2 4 October 22, 2024 First Busey Corporation Announces 2024 Third Quarter Earnings CHAMPAIGN, IL – (GLOBE NEWSWIRE) – First Busey Corporation (Nasdaq: BUSE) Net Income of $32.

October 22, 2024 EX-99.1

F I R S T B U S E Y C O R P O R A T I O N A N N O U N C E S 2 0 2 4 T H I R D Q U A R T E R E A R N I N G S Q 3 | 2 0 2 4

F I R S T B U S E Y C O R P O R A T I O N A N N O U N C E S 2 0 2 4 T H I R D Q U A R T E R E A R N I N G S Q 3 | 2 0 2 4 October 22, 2024 First Busey Corporation Announces 2024 Third Quarter Earnings CHAMPAIGN, IL – (GLOBE NEWSWIRE) – First Busey Corporation (Nasdaq: BUSE) Net Income of $32.

October 22, 2024 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): October 22, 2024 First Busey Corporation (Exact name of Registrant as specified in its charter) Nevada 0-15950 37-1078406 (State of Incorporation) (Commission File Number) (I.R.S. Emp

October 22, 2024 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): October 22, 2024 First Busey Corp

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): October 22, 2024 First Busey Corporation (Exact name of Registrant as specified in its charter) Nevada 0-15950 37-1078406 (State of Incorporation) (Commission File Number) (I.R.S. Emp

October 22, 2024 EX-99.2

Q3 2024 EARNINGS INVESTOR PRESENTATION October 22, 2024 2 23Q24 Earnings Investor Presentation First Busey Corporation | Ticker: BUSE This presentation may contain “forward-looking statements” within the meaning of the Private Securities Litigation R

Q3 2024 EARNINGS INVESTOR PRESENTATION October 22, 2024 2 23Q24 Earnings Investor Presentation First Busey Corporation | Ticker: BUSE This presentation may contain “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995 with respect to Busey’s financial condition, results of operations, plans, objectives, future performance, and business.

October 22, 2024 EX-99.2

Q3 2024 EARNINGS INVESTOR PRESENTATION October 22, 2024 2 23Q24 Earnings Investor Presentation First Busey Corporation | Ticker: BUSE This presentation may contain “forward-looking statements” within the meaning of the Private Securities Litigation R

Q3 2024 EARNINGS INVESTOR PRESENTATION October 22, 2024 2 23Q24 Earnings Investor Presentation First Busey Corporation | Ticker: BUSE This presentation may contain “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995 with respect to Busey’s financial condition, results of operations, plans, objectives, future performance, and business.

October 18, 2024 EX-99.5

Consent of Michael J. Maddox to be named as a director

Exhibit 99.5 CONSENT OF PROSPECTIVE DIRECTOR In accordance with Rule 438 promulgated under the Securities Act of 1933, as amended, I hereby consent to being named in the registration statement on Form S-4, to which this consent is an exhibit, filed by First Busey Corporation (the “Registrant” with the Securities and Exchange Commission, and all amendments (including post-effective amendments) ther

October 18, 2024 EX-99.4

Consent of Keefe, Bruyette & Woods, Inc.

Exhibit 99.4 CONSENT OF KEEFE, BRUYETTE & WOODS, INC. We hereby consent to the inclusion of our opinion letter to the Board of Directors of CrossFirst Bankshares, Inc. (“CrossFirst”), as Annex E to the joint proxy statement/prospectus which forms a part of the registration statement on Form S-4 filed on the date hereof (the “Registration Statement”) relating to the proposed merger of CrossFirst wi

October 18, 2024 S-4

As filed with the Securities and Exchange Commission on October 18, 2024

TABLE OF CONTENTS As filed with the Securities and Exchange Commission on October 18, 2024 Registration No.

October 18, 2024 EX-FILING FEES

Filing Fee Table

Calculation of Filing Fee Tables S-4 FIRST BUSEY CORP /NV/ Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Forward Form Type Carry Forward File Number Carry Forward Initial Effective Date Filing Fee Previously Paid in Connection with Unsold Securities to be Carried Forward Newly Registered Securities Fees to be Paid 1 Equity Common Stock.

October 18, 2024 EX-99.6

Consent of Rodney K. Brenneman to be named as a director

Exhibit 99.6 CONSENT OF PROSPECTIVE DIRECTOR In accordance with Rule 438 promulgated under the Securities Act of 1933, as amended, I hereby consent to being named in the registration statement on Form S-4, to which this consent is an exhibit, filed by First Busey Corporation (the “Registrant” with the Securities and Exchange Commission, and all amendments (including post-effective amendments) ther

October 18, 2024 EX-99.3

Consent of Raymond James & Associates, Inc.

Exhibit 99.3 Consent of Raymond James & Associates, Inc. Raymond James & Associates, Inc. (“Raymond James”) consents to (i) the inclusion and description of our opinion letter dated August 26, 2024 to the Board of Directors of First Busey Corporation (the “Company”) included as Annex D to the joint proxy statement/prospectus relating to the proposed merger of the Company with CrossFirst Bankshares

October 8, 2024 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): October 08, 2024 First Busey Corporation (Exact name of Registrant as specified in its charter) Nevada 0-15950 37-1078406 (State of Incorporation) (Commission File Number) (I.R.S. Emp

August 29, 2024 425

Contact Us [info.busey.com] | Money Matters Blog [info.busey.com] Member FDIC Busey Bank, 100 W. University Ave., Champaign, Illinois 61820 Manage preferences [info.busey.com]

Filed by: First Busey Corporation (Commission File No.: 000-15950) Pursuant to Rule 425 under the Securities Act of 1933, as amended and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934, as amended Subject Company: CrossFirst Bankshares, Inc. (Commission File No.: 001-39028) Date: August 29, 2024 The following communication was sent to customers of First Busey Corporatio

August 28, 2024 425

Busey Bank, 100 W. University Ave., Champaign, Illinois 61820

Filed by: First Busey Corporation (Commission File No.: 000-15950) Pursuant to Rule 425 under the Securities Act of 1933, as amended and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934, as amended Subject Company: CrossFirst Bankshares, Inc. (Commission File No.: 001-39028) Date: August 28, 2024 The following communication was sent to certain investors by First Busey Co

August 28, 2024 425

First Busey Corp (Update) August 27, 2024

Filed by: First Busey Corporation (Commission File No.: 000-15950) Pursuant to Rule 425 under the Securities Act of 1933, as amended and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934, as amended Subject Company: CrossFirst Bankshares, Inc. (Commission File No.: 001-39028) Date: August 27, 2024 The following is a transcript of a joint call hosted by First Busey Corpora

August 27, 2024 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 26, 2024 First Busey Corpo

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 26, 2024 First Busey Corporation (Exact name of registrant as specified in its charter) Nevada 0-15950 37-1078406 (State or other jurisdiction of incorporation) (Commission Fil

August 27, 2024 EX-99.3

INVESTOR PRESENTATION N A S D A Q : B U S E N A S D A Q: CF B August 27, 2024 CREATING A PREMIER AND DIFFERENTIATED COMMERCIAL BANKING FRANCHISE Transformative Partnership with CrossFirst Bankshares, Inc. M e m b e r s F D I C 2 Merger Investor Prese

Exhibit 99.3 INVESTOR PRESENTATION N A S D A Q : B U S E N A S D A Q: CF B August 27, 2024 CREATING A PREMIER AND DIFFERENTIATED COMMERCIAL BANKING FRANCHISE Transformative Partnership with CrossFirst Bankshares, Inc. M e m b e r s F D I C 2 Merger Investor Presentation First Busey Corporation | Ticker: BUSE 2 Combined Company Profile Projected Balance Sheet Highlights at Close ~$20 Billion Total

August 27, 2024 EX-99.1

[LETTERHEAD OF FIRST BUSEY CORPORATION]

Exhibit 99.1 [LETTERHEAD OF FIRST BUSEY CORPORATION] August 26, 2024 Michael J. Maddox At the address provided to the Corporation Dear Michael: Reference is made to the Agreement and Plan of Merger, dated as of August 26, 2024, between First Busey Corporation (the “Corporation”) and CrossFirst Bankshares, Inc. (“CrossFirst”) (as such agreement may be amended, restated, supplemented or otherwise mo

August 27, 2024 EX-10.1

Letter Agreement, dated August 26, 2024, by and between First Busey Corporation and Van A. Dukeman

Exhibit 10.1 [LETTERHEAD OF FIRST BUSEY CORPORATION] August 26, 2024 Van A. Dukeman At the address on file with the Corporation Dear Van: Reference is made to the Agreement and Plan of Merger, dated as of August 26, 2024, between First Busey Corporation (the “Corporation”) and CrossFirst Bankshares, Inc. (as the same may be amended, restated, supplemented or otherwise modified from time to time, t

August 27, 2024 EX-2.1

Agreement and Plan of Merger

Exhibit 2.1 AGREEMENT AND PLAN OF MERGER by and between FIRST BUSEY CORPORATION and CROSSFIRST BANKSHARES, INC. Dated as of August 26, 2024 TABLE OF CONTENTS Article I THE MERGER 1.1        The Merger 1 1.2        Closing 2 1.3        Effective Time 2 1.4        Effects of the Merger 2 1.5        Conversion of CrossFirst Common Stock 2 1.6        CrossFirst Preferred Stock 3 1.7        Dissenting

August 27, 2024 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 26, 2024 First Busey Corporation (Exact name of registrant as specified in its charter) Nevada 0-15950 37-1078406 (State or other jurisdiction of incorporation) (Commission Fil

August 27, 2024 425

Filed by: First Busey Corporation

Filed by: First Busey Corporation (Commission File No.: 000-15950) Pursuant to Rule 425 under the Securities Act of 1933, as amended and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934, as amended Subject Company: CrossFirst Bankshares, Inc. (Commission File No.: 001-39028) Date: August 27, 2024 The following communications were made available by First Busey Corporation

August 27, 2024 EX-99.2

First Busey Corporation and CrossFirst Bankshares, Inc. Announce Transformative Partnership Creates Compelling and Diversified Commercial Banking Franchise with $20 Billion in Assets, Extending Busey’s Market Presence to Arizona, Colorado, Kansas, Ne

Exhibit 99.2 FOR IMMEDIATE RELEASE August 27, 2024 First Busey Corporation and CrossFirst Bankshares, Inc. Announce Transformative Partnership Creates Compelling and Diversified Commercial Banking Franchise with $20 Billion in Assets, Extending Busey’s Market Presence to Arizona, Colorado, Kansas, New Mexico, Oklahoma and Texas CHAMPAIGN, IL and LEAWOOD, KS—First Busey Corporation (“Busey”) (Nasda

August 27, 2024 425

An organizational chart can be found in the internal deck attached which outlines the leaders and their functional oversight areas. More information about the underlying leadership and structure will be shared as our partnership develops. Governance

Filed by: First Busey Corporation (Commission File No.: 000-15950) Pursuant to Rule 425 under the Securities Act of 1933, as amended and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934, as amended Subject Company: CrossFirst Bankshares, Inc. (Commission File No.: 001-39028) Date: August 27, 2024 The following communication was sent to all Associates of First Busey Corpo

August 6, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

Table of Contents 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 June 30, 2024 o Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Commission File No.

July 23, 2024 EX-99.1

F I R S T B U S E Y C O R P O R A T I O N A N N O U N C E S 2 0 2 4 S E C O N D Q U A R T E R E A R N I N G S Q 2 | 2 0 2 4

F I R S T B U S E Y C O R P O R A T I O N A N N O U N C E S 2 0 2 4 S E C O N D Q U A R T E R E A R N I N G S Q 2 | 2 0 2 4 July 23, 2024 First Busey Corporation Announces 2024 Second Quarter Earnings CHAMPAIGN, IL – (GLOBE NEWSWIRE) – First Busey Corporation (Nasdaq: BUSE) Net Income of $27.

July 23, 2024 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 23, 2024 First Busey Corporation (Exact name of Registrant as specified in its charter) Nevada 0-15950 37-1078406 (State of Incorporation) (Commission File Number) (I.R.S. Employ

July 23, 2024 EX-99.2

Q2 2024 EARNINGS INVESTOR PRESENTATION July 23, 2024 2 22Q24 Earnings Investor Presentation First Busey Corporation | Ticker: BUSE This presentation may contain forward-looking statements within the meaning of the Private Securities Litigation Reform

Q2 2024 EARNINGS INVESTOR PRESENTATION July 23, 2024 2 22Q24 Earnings Investor Presentation First Busey Corporation | Ticker: BUSE This presentation may contain forward-looking 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 First Busey Corporation (“Busey”).

July 9, 2024 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 09, 2024 First Busey Corporation (Exact name of Registrant as specified in its charter) Nevada 0-15950 37-1078406 (State of Incorporation) (Commission File Number) (I.R.S. Employ

June 27, 2024 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 11-K þ Annual Report Pursuant to Section 15(d) of the Securities Exchange Act of 1934 For the Fiscal Year Ended December 31, 2023 o Transition Report Pursuant to Section 15(d) of the Securities Exchange Act of 1934 Commission File No.

May 24, 2024 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 22, 2024 First Busey Corporation (Exact name of Registrant as specified in its charter) Nevada 0-15950 37-1078406 (State of Incorporation) (Commission File Number) (I.R.S. Employe

May 7, 2024 EX-99.1

BUSE INVESTOR HIGHLIGHTS May 7, 2024 2 2Investor Highlights First Busey Corporation | Ticker: BUSE Overview of First Busey Corporation (NASDAQ: BUSE) Northern (IL) Central (IL/IN) Gateway (MO/IL) Florida M&M Bank1 1 Pro Forma locations reflect acquis

buse20240507xinvestorhi BUSE INVESTOR HIGHLIGHTS May 7, 2024 2 2Investor Highlights First Busey Corporation | Ticker: BUSE Overview of First Busey Corporation (NASDAQ: BUSE) Northern (IL) Central (IL/IN) Gateway (MO/IL) Florida M&M Bank1 1 Pro Forma locations reflect acquisition of Merchants & Manufacturers Bank Corp.

May 7, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

Table of Contents 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 March 31, 2024 o Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Commission File No.

May 7, 2024 EX-10.1

Employment Agreement, by and among First Busey Corporation, Busey Bank, and Monica L. Bowe, effective as of January 1, 2020

EXHIBIT 10.1 EMPLOYMENT AGREEMENT This EMPLOYMENT AGREEMENT (this “Agreement”) is by and among First Busey Corporation (“First Busey”), Busey Bank (the “Bank,” and together with First Busey, “Employer”) and Monica L. Bowe (“Executive,” and together with Employer, the “Parties”). RECITALS A.The Bank is a wholly owned subsidiary of First Busey. B.Employer has determined it to be in its best interest

May 7, 2024 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 07, 2024 First Busey Corporation (Exact name of Registrant as specified in its charter) Nevada 0-15950 37-1078406 (State of Incorporation) (Commission File Number) (I.R.S. Employe

April 23, 2024 EX-99.2

Q1 2024 EARNINGS INVESTOR PRESENTATION April 23, 2024 2 21Q24 Earnings Investor Presentation First Busey Corporation | Ticker: BUSE This presentation may contain forward-looking statements within the meaning of the Private Securities Litigation Refor

Q1 2024 EARNINGS INVESTOR PRESENTATION April 23, 2024 2 21Q24 Earnings Investor Presentation First Busey Corporation | Ticker: BUSE This presentation may contain forward-looking 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 First Busey Corporation (“Busey”).

April 23, 2024 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 23, 2024 First Busey Corporation (Exact name of Registrant as specified in its charter) Nevada 0-15950 37-1078406 (State of Incorporation) (Commission File Number) (I.R.S. Emplo

April 23, 2024 EX-99.1

F I R S T B U S E Y C O R P O R A T I O N A N N O U N C E S 2 0 2 4 F I R S T Q U A R T E R E A R N I N G S Q 1 | 2 0 2 4

F I R S T B U S E Y C O R P O R A T I O N A N N O U N C E S 2 0 2 4 F I R S T Q U A R T E R E A R N I N G S Q 1 | 2 0 2 4 April 23, 2024 First Busey Corporation Announces 2024 First Quarter Earnings CHAMPAIGN, IL – (GLOBE NEWSWIRE) – First Busey Corporation (Nasdaq: BUSE) Net Income of $26.

April 12, 2024 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant: ☒ Filed by a Party other than the Registrant: ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Conf

April 12, 2024 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant: x Filed by a Party other than the Registrant: ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use

April 9, 2024 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 09, 2024 First Busey Corporation (Exact name of Registrant as specified in its charter) Nevada 0-15950 37-1078406 (State of Incorporation) (Commission File Number) (I.R.S. Emplo

April 5, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 5, 2024 First Busey Corpora

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 5, 2024 First Busey Corporation (Exact name of Registrant as specified in its charter) Nevada 0-15950 37-1078406 (State of Incorporation) (Commission File Number) (I.R.S. Employ

April 1, 2024 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 1, 2024 First Busey Corporation (Exact name of Registrant as specified in its charter) Nevada 0-15950 37-1078406 (State of Incorporation) (Commission File Number) (I.R.S. Employ

April 1, 2024 EX-99.1

Merchants and Exhibit 99.1 Manufacturers Bank Corporation FOR IMMEDIATE RELEASE April 1, 2024 First Busey Corporation Finalizes Acquisition of Merchants and Manufacturers Bank Corporation and Merchants and Manufacturers Bank CHAMPAIGN, IL and OAKBROO

Merchants and Exhibit 99.1 Manufacturers Bank Corporation FOR IMMEDIATE RELEASE April 1, 2024 First Busey Corporation Finalizes Acquisition of Merchants and Manufacturers Bank Corporation and Merchants and Manufacturers Bank CHAMPAIGN, IL and OAKBROOK TERRACE, IL—First Busey Corporation (“Busey”) (NASDAQ: BUSE), the holding company for Busey Bank, announced the completion of its acquisition of Mer

March 22, 2024 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): March 20, 2024 First Busey Corporation (Exact name of Registrant as specified in its charter) Nevada 0-15950 37-1078406 (State of Incorporation) (Commission File Number) (I.R.S. Emplo

February 23, 2024 EX-21.1

List of Subsidiaries of First Busey Corporation

EXHIBIT 21.1 Subsidiaries of First Busey Corporation DIRECT Subsidiary State of Incorporation or Organization Busey Bank Illinois Deed of Trust Services Corporation Missouri First Busey Statutory Trust II Delaware First Busey Statutory Trust III Delaware First Busey Statutory Trust IV Delaware Pulaski Financial Statutory Trust I Connecticut Pulaski Financial Statutory Trust II Delaware INDIRECT Su

February 23, 2024 EX-4.2

Description of the Company’s securities

EXHIBIT 4.2 DESCRIPTION OF FIRST BUSEY CORPORATION’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 The common stock of First Busey Corporation (the “Company,” which is also referred to herein as “we,” “our” or “us”) is registered pursuant to Section 12 of the Securities Exchange Act of 1934, as amended. The following description of the material terms of the Co

February 23, 2024 EX-97.1

First Busey Corporation Clawback Policy

EXHIBIT 97.1 FIRST BUSEY CORPORATION CLAWBACK POLICY POLICY STATEMENT As a publicly traded company, First Busey Corporation (the “Company”) is subject to corporate governance standards established by the United States Securities and Exchange Commission (the “SEC”) and the Nasdaq Stock Market (“Nasdaq”). As part of those applicable standards, the Company is required to comply with applicable compen

February 23, 2024 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K

Table of Content 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, 2023 ☐ 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 registran

February 23, 2024 10-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K/A (Amendment No. 1)

Table of Content UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K/A (Amendment No. 1) ☑ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number 0-15950 FIRST BUSEY CORPORATION (Exa

February 14, 2024 424B3

PROSPECTUS OF FIRST BUSEY CORPORATION PROXY STATEMENT OF MERCHANTS AND MANUFACTURERS BANK CORPORATION Merger Proposal — Your Vote Is Important

TABLE OF CONTENTS  Filed Pursuant to Rule 424(b)(3)  Registration Statement No. 333-276507 PROSPECTUS OF FIRST BUSEY CORPORATION PROXY STATEMENT OF MERCHANTS AND MANUFACTURERS BANK CORPORATION Merger Proposal — Your Vote Is Important DEAR M&M COMMON STOCKHOLDERS: The board of directors of Merchants and Manufacturers Bank Corporation (which we refer to as “M&M”) and First Busey Corporation (which w

February 13, 2024 CORRESP

February 13, 2024

February 13, 2024 VIA EDGAR United States Securities and Exchange Commission Division of Corporation Finance 100 F Street, NE Washington, D.

February 13, 2024 SC 13G/A

BUSE / First Busey Corporation / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv0929-firstbuseycorp.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 1)* Name of issuer: First Busey Corp Title of Class of Securities: Common Stock CUSIP Number: 319383204 Date of Event Which Requires Filing of this Statement: December 29, 2023 Check the appropriate box to designate the

February 12, 2024 S-4/A

As filed with the Securities and Exchange Commission on February 12, 2024.

S-4/A 1 tm2332381-3s4a.htm S-4/A TABLE OF CONTENTS As filed with the Securities and Exchange Commission on February 12, 2024. Registration No. 333-276507 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 AMENDMENT NO.1 TO FORM S-4 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 FIRST BUSEY CORPORATION (Exact Name of Registrant as Specified in its Charter) Nevada (Stat

February 9, 2024 SC 13G/A

BUSE / First Busey Corporation / DIMENSIONAL FUND ADVISORS LP - SEC SCHEDULE 13G Passive Investment

SC 13G/A 1 SEC13GFiling.htm SEC SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1 )* First Busey Corp (Name of Issuer) Common Stock (Title of Class of Securities) 319383204 (CUSIP Number) December 29, 2023 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to de

January 23, 2024 EX-99.1

F I R S T B U S E Y C O R P O R A T I O N A N N O U N C E S 2 0 2 3 F O U R T H Q U A R T E R E A R N I N G S Q 4 | 2 0 2 3

F I R S T B U S E Y C O R P O R A T I O N A N N O U N C E S 2 0 2 3 F O U R T H Q U A R T E R E A R N I N G S Q 4 | 2 0 2 3 January 23, 2024 First Busey Corporation Announces 2023 Fourth Quarter Earnings CHAMPAIGN, IL – (GLOBE NEWSWIRE) – First Busey Corporation (Nasdaq: BUSE) Net Income of $25.

January 23, 2024 EX-99.2

Q4 2023 EARNINGS INVESTOR PRESENTATION January 23, 2024 2 24Q23 Earnings Investor Presentation First Busey Corporation | Ticker: BUSE This presentation may contain forward-looking statements within the meaning of the Private Securities Litigation Ref

Q4 2023 EARNINGS INVESTOR PRESENTATION January 23, 2024 2 24Q23 Earnings Investor Presentation First Busey Corporation | Ticker: BUSE This presentation may contain forward-looking 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 First Busey Corporation (“Busey”) and Merchants and Manufacturers Bank Corporation (“M&M”).

January 23, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): January 23, 2024 First Busey Corp

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): January 23, 2024 First Busey Corporation (Exact name of Registrant as specified in its charter) Nevada 0-15950 37-1078406 (State of Incorporation) (Commission File Number) (I.R.S. Emp

January 12, 2024 EX-99.1

Consent of Keefe, Bruyette & Woods, Inc.

Exhibit 99.1 CONSENT OF KEEFE, BRUYETTE & WOODS, INC. We hereby consent to the inclusion of our opinion letter to the Board of Directors of Merchants and Manufacturers Bank Corporation (“Merchants”), as Appendix D to the Proxy Statement/Prospectus which forms a part of the Registration Statement on Form S-4 filed on the date hereof (the “Registration Statement”) relating to the proposed merger of

January 12, 2024 S-4

As filed with the Securities and Exchange Commission on January 12, 2024.

TABLE OF CONTENTS As filed with the Securities and Exchange Commission on January 12, 2024.

January 12, 2024 EX-99.2

Form of proxy card of Merchants and Manufacturers Bank Corporation

Exhibit 99.2 FORM OF PROXY MERCHANTS AND MANUFACTURERS BANK CORPORATION Special Meeting of Stockholders [●], 2024, [●], local time This proxy is solicited by the Board of Directors I, the undersigned stockholder of Merchants and Manufacturers Bank Corporation (the “Company”), having received notice of a special meeting of the stockholders, revoking any proxy previously given, do hereby nominate, c

January 12, 2024 EX-FILING FEES

Filing fee table

Exhibit 107.1 Calculation of Filing Fee Table S-4 (Form Type) First Busey Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered (a) Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price (b) Fee Rate Amount of R

January 9, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): January 09, 2024 First Busey Corp

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): January 09, 2024 First Busey Corporation (Exact name of Registrant as specified in its charter) Nevada 0-15950 37-1078406 (State of Incorporation) (Commission File Number) (I.R.S. Emp

December 29, 2023 425

Merchants and Manufacturers Bank Corporation

Filed by First Busey Corporation Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Merchants and Manufacturers Bank Corporation Commission File Number: 0-15950 Merchants and Manufacturers Bank Corporation December 29, 2023 Dear Sir or Madam, I hope this letter finds you in good health and enjoying the holiday season with friends and family.

December 7, 2023 EX-3.1

Second Amended and Restated By-Laws of First Busey Corporation

Exhibit 3.1 SECOND AMENDED AND RESTATED BY-LAWS OF FIRST BUSEY CORPORATION (effective December 6, 2023) ARTICLE I OFFICES Section 1.1.          Registered Office. The registered office of the corporation shall be in the County of Clark, State of Nevada. Section 1.2.          Other Offices. The corporation may also have offices at such other places both within and without the State of Nevada as the

December 7, 2023 8-K

United States Securities And Exchange Commission Washington, DC 20549 FORM 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): December 6, 2023 First Busey Corpor

United States Securities And Exchange Commission Washington, DC 20549 FORM 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): December 6, 2023 First Busey Corporation (Exact Name of Registrant as Specified in Charter) Nevada 0-15950 37-1078406 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS Employer Identification No.

December 7, 2023 425

United States Securities And Exchange Commission Washington, DC 20549 FORM 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): December 6, 2023 First Busey Corpor

United States Securities And Exchange Commission Washington, DC 20549 FORM 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): December 6, 2023 First Busey Corporation (Exact Name of Registrant as Specified in Charter) Nevada 0-15950 37-1078406 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS Employer Identification No.

November 27, 2023 8-K

Regulation FD Disclosure, Entry into a Material Definitive Agreement, Financial Statements and Exhibits

United States Securities And Exchange Commission Washington, DC 20549 FORM 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): November 27, 2023 First Busey Corporation (Exact Name of Registrant as Specified in Charter) Nevada 0-15950 37-1078406 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS Employer Identification No.

November 27, 2023 425

Filed by First Busey Corporation

Filed by First Busey Corporation Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Merchants and Manufacturers Bank Corporation Commission File Number: 0-15950 Fields Announcement Email | VAD to All Busey Associates Date: Monday, November 27, 2023 l ~4:00 pm CT To: ^^^Everyone From: Van Dukeman

November 27, 2023 425

Filed by First Busey Corporation

Filed by First Busey Corporation Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Merchants and Manufacturers Bank Corporation Commission File Number: 0-15950 Fields Announcement Email | Brad Butler to All M&M Employees Date: Monday, November 27, 2023 | ~4:00 pm CT To: All M&M Employees From: Brad W.

November 27, 2023 EX-99.2

INVESTOR PRESENTATION Acquisition of Merchants & Manufacturers Bank Corporation November 27, 2023

Exhibit 99.2 INVESTOR PRESENTATION Acquisition of Merchants & Manufacturers Bank Corporation November 27, 2023 2 2 Investor Presentation First Busey Corporation | Ticker: BUSE Merchants and Manufacturers Bank Corp. $ in millions 2021 2022 3Q23 YTD Total Assets $ 360 $ 417 $ 473 Total Loans $ 321 $ 372 $ 406 Total Deposits $ 308 $ 342 $ 399 Loan / Deposits 104.2 % 108.8 % 101.8 % NPA/Assets 0. 00 %

November 27, 2023 425

Filed by First Busey Corporation

Filed by First Busey Corporation Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Merchants and Manufacturers Bank Corporation Commission File Number: 0-15950 Busey + Merchants & Manufacturers Bank | Core Rationale, FAQs and Talking Points FOR INTERNAL BUSINESS USE ONLY First Busey Corporation (Busey) and Merchants and Manufacturers Bank Corporation have jointly agreed to merge holding companies and, following the completion of this merger, to merge Merchants and Manufacturers Bank (M&M) with and into Busey Bank.

November 27, 2023 EX-2.1

Agreement and Plan of Merger between First Busey Corporation and Merchants and Manufacturers Bank Corporation, dated November 27, 2023*

Exhibit 2.1 AGREEMENT AND PLAN OF MERGER BETWEEN FIRST BUSEY CORPORATION AND MERCHANTS AND MANUFACTURERS BANK CORPORATION November 27, 2023 TABLE OF CONTENTS ARTICLE 1 THE MERGER 1 Section 1.1 The Merger 1 Section 1.2 Effective Time; Closing 2 Section 1.3 Effects of the Merger 2 Section 1.4 Organizational Documents of the Surviving Entity; Directors and Officers 2 Section 1.5 Bank Merger 2 Section

November 27, 2023 425

Filed by First Busey Corporation

Filed by First Busey Corporation Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Merchants and Manufacturers Bank Corporation Commission File Number: 0-15950 Busey + Merchants & Manufacturers Bank | Core Rationale FOR INTERNAL BUSINESS USE ONLY Despite the challenges of 2023, your commitment, perseverance and flexibility have enabled Busey to continue moving forward with various initiatives designed to improve efficiencies and overall productivity, enhance the customer experience and prepare for organic and acquisitive growth as conditions allow.

November 27, 2023 425

United States Securities And Exchange Commission Washington, DC 20549 FORM 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): November 27, 2023 First Busey Corpo

United States Securities And Exchange Commission Washington, DC 20549 FORM 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): November 27, 2023 First Busey Corporation (Exact Name of Registrant as Specified in Charter) Nevada 0-15950 37-1078406 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS Employer Identification No.

November 27, 2023 EX-99.1

First Busey Corporation and Merchants and Manufacturers Bank Corporation to Merge First Busey Expands Market Presence in Chicago MSA and Adds Life Equity Loan® Products to Suite of Services

Exhibit 99.1 FOR IMMEDIATE RELEASE November 27, 2023 First Busey Corporation and Merchants and Manufacturers Bank Corporation to Merge First Busey Expands Market Presence in Chicago MSA and Adds Life Equity Loan® Products to Suite of Services CHAMPAIGN, IL and OAKBROOK TERRACE, IL—First Busey Corporation (“Busey”) (NASDAQ:BUSE), the holding company for Busey Bank, and Merchants and Manufacturers B

November 27, 2023 EX-99.1

First Busey Corporation and Merchants and Manufacturers Bank Corporation to Merge First Busey Expands Market Presence in Chicago MSA and Adds Life Equity Loan® Products to Suite of Services

Exhibit 99.1 FOR IMMEDIATE RELEASE November 27, 2023 First Busey Corporation and Merchants and Manufacturers Bank Corporation to Merge First Busey Expands Market Presence in Chicago MSA and Adds Life Equity Loan® Products to Suite of Services CHAMPAIGN, IL and OAKBROOK TERRACE, IL—First Busey Corporation (“Busey”) (NASDAQ:BUSE), the holding company for Busey Bank, and Merchants and Manufacturers B

November 27, 2023 EX-2.1

Agreement and Plan of Merger between First Busey Corporation and Merchants and Manufacturers Bank Corporation, dated November 27, 2023*

Exhibit 2.1 AGREEMENT AND PLAN OF MERGER BETWEEN FIRST BUSEY CORPORATION AND MERCHANTS AND MANUFACTURERS BANK CORPORATION November 27, 2023 TABLE OF CONTENTS ARTICLE 1 THE MERGER 1 Section 1.1 The Merger 1 Section 1.2 Effective Time; Closing 2 Section 1.3 Effects of the Merger 2 Section 1.4 Organizational Documents of the Surviving Entity; Directors and Officers 2 Section 1.5 Bank Merger 2 Section

November 27, 2023 EX-99.2

INVESTOR PRESENTATION Acquisition of Merchants & Manufacturers Bank Corporation November 27, 2023

Exhibit 99.2 INVESTOR PRESENTATION Acquisition of Merchants & Manufacturers Bank Corporation November 27, 2023 2 2 Investor Presentation First Busey Corporation | Ticker: BUSE Merchants and Manufacturers Bank Corp. $ in millions 2021 2022 3Q23 YTD Total Assets $ 360 $ 417 $ 473 Total Loans $ 321 $ 372 $ 406 Total Deposits $ 308 $ 342 $ 399 Loan / Deposits 104.2 % 108.8 % 101.8 % NPA/Assets 0. 00 %

November 2, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

Table of Contents 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, 2023 o Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Commission File No.

October 24, 2023 EX-99.1

F I R S T B U S E Y C O R P O R A T I O N A N N O U N C E S 2 0 2 3 T H I R D Q U A R T E R E A R N I N G S Q 3 | 2 0 2 3

F I R S T B U S E Y C O R P O R A T I O N A N N O U N C E S 2 0 2 3 T H I R D Q U A R T E R E A R N I N G S Q 3 | 2 0 2 3 October 24, 2023 First Busey Corporation Announces 2023 Third Quarter Earnings CHAMPAIGN, IL – (GLOBE NEWSWIRE) – First Busey Corporation (Nasdaq: BUSE) Net Income of $30.

October 24, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): October 23, 2023 First Busey Corp

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): October 23, 2023 First Busey Corporation (Exact name of Registrant as specified in its charter) Nevada 0-15950 37-1078406 (State of Incorporation) (Commission File Number) (I.R.S. Emp

October 24, 2023 EX-10.1

Separation Letter, dated as of October 20, 2023 between First Busey Corporation, Busey Bank, and Robin N. Elliott

FIRST BUSEY CORPORATION 100 W. UNIVERSITY AVE. CHAMPAIGN, IL 61820 October 20, 2023 Mr. Robin N. Elliott Dear Robin: As discussed, your employment with First Busey Corporation (“First Busey”) and its subsidiaries (collectively with First Busey, “Employer”) will end on December 31, 2023 (the “Separation Date”). This letter is being provided to you to (i) memorialize our understanding regarding your

October 24, 2023 EX-99.2

Q3 2023 EARNINGS INVESTOR PRESENTATION October 24, 2023 2 23Q23 Earnings Investor Presentation First Busey Corporation | Ticker: BUSE Statements made in this presentation, other than those concerning historical financial information, may be considere

Q3 2023 EARNINGS INVESTOR PRESENTATION October 24, 2023 2 23Q23 Earnings Investor Presentation First Busey Corporation | Ticker: BUSE Statements made in this presentation, other than those concerning historical financial information, may be considered forward-looking 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 First Busey Corporation (the “Company”).

October 10, 2023 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): October 10, 2023 First Busey Corporation (Exact name of Registrant as specified in its charter) Nevada 0-15950 37-1078406 (State of Incorporation) (Commission File Number) (I.R.S. Emp

September 21, 2023 EX-FILING FEES

Filing fee table.

Exhibit 107.1 Calculation of Filing Fee Table S-3 (Form Type) First Busey Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered (a) Proposed Maximum Offering Price Per Unit (a) Maximum Aggregate Offering Price (a) Fee Rate (b) Amo

September 21, 2023 S-3ASR

As filed with the Securities and Exchange Commission on September 21, 2023

TABLE OF CONTENTS As filed with the Securities and Exchange Commission on September 21, 2023 Registration No.

September 21, 2023 EX-25.1

Statement of Eligibility under the Trust Indenture Act of 1939, as amended, of U.S. Bank Trust Company, National Association, as Trustee, on Form T-1.

Exhibit 25.1 securities and exchange commission Washington, D.C. 20549 FORM T-1 Statement of Eligibility Under The Trust Indenture Act of 1939 of a Corporation Designated to Act as Trustee Check if an Application to Determine Eligibility of a Trustee Pursuant to Section 305(b)(2) ¨ U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION (Exact name of Trustee as specified in its charter) 91-1821036 I.R.S. E

August 3, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

Table of Contents 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 June 30, 2023 o Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Commission File No.

July 25, 2023 EX-99.1

First Busey Reports Second Quarter Net Income of $29.4 million and Diluted EPS of $0.52

July 25, 2023 First Busey Announces 2023 Second Quarter Earnings CHAMPAIGN, IL – (GLOBE NEWSWIRE) – First Busey Corporation (Nasdaq: BUSE) First Busey Reports Second Quarter Net Income of $29.

July 25, 2023 EX-99.2

Q2 2023 EARNINGS INVESTOR PRESENTATION July 25, 2023 2 22Q23 Earnings Investor Presentation First Busey Corporation | Ticker: BUSE Statements made in this presentation, other than those concerning historical financial information, may be considered f

buse20230725x23q2xex992 Q2 2023 EARNINGS INVESTOR PRESENTATION July 25, 2023 2 22Q23 Earnings Investor Presentation First Busey Corporation | Ticker: BUSE Statements made in this presentation, other than those concerning historical financial information, may be considered forward-looking 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 First Busey Corporation (the “Company”).

July 25, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 25, 2023 First Busey Corpora

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 25, 2023 First Busey Corporation (Exact name of Registrant as specified in its charter) Nevada 0-15950 37-1078406 (State of Incorporation) (Commission File Number) (I.R.S. Employ

July 11, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 11, 2023 First Busey Corpora

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 11, 2023 First Busey Corporation (Exact name of Registrant as specified in its charter) Nevada 0-15950 37-1078406 (State of Incorporation) (Commission File Number) (I.R.S. Employ

June 29, 2023 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 11-K þ Annual Report Pursuant to Section 15(d) of the Securities Exchange Act of 1934 For the Fiscal Year Ended December 31, 2022 o Transition Report Pursuant to Section 15(d) of the Securities Exchange Act of 1934 Commission File No.

May 30, 2023 EX-FILING FEES

Calculation of Filing Fee Table

EXHIBIT 107 CALCULATION OF REGISTRATION FEE FORM S-8 (Form Type) FIRST BUSEY CORPORATION (Exact name of Registrant as specified in its charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered1 Proposed Maximum Offering Price Per Share2 Maximum Aggregate Offering Price2 Fee Rate Amount of Registration Fee2 Equity Common Stock, $0.

May 30, 2023 EX-4.7

Form of Director Deferred Stock Unit Award Agreement under the First Busey Corporation Amended 2020 Equity Incentive Plan

buse20230530xex47 FIRST BUSEY CORPORATION AMENDED 2020 EQUITY INCENTIVE PLAN DIRECTOR DEFERRED STOCK UNIT AWARD The Participant specified below has been granted this Deferred Stock Unit Award (the “Award”) by First Busey Corporation, a Nevada corporation (the “Company”), under the terms of the First Busey Corporation Amended 2020 Equity Incentive Plan (the “Plan”).

May 30, 2023 S-8

As filed with the Securities and Exchange Commission on May 30, 2023

S-8 1 buse20230530xs-8xregistra.htm S-8 As filed with the Securities and Exchange Commission on May 30, 2023 Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 First Busey Corporation (Exact name of Registrant as specified in its charter) Nevada (State or other jurisdiction of incorporation

May 30, 2023 EX-4.6

Form of Performance-Based Restricted Stock Unit Award Agreement under the First Busey Corporation Amended 2020 Equity Incentive Plan

buse20230530xex46 FIRST BUSEY CORPORATION AMENDED 2020 EQUITY INCENTIVE PLAN PERFORMANCE-BASED RESTRICTED STOCK UNIT AWARD The Participant specified below has been granted this Performance-Based Restricted Stock Unit Award (the “Award”) by First Busey Corporation, a Nevada corporation (the “Company”), under the terms of the First Busey Corporation Amended 2020 Equity Incentive Plan (the “Plan”).

May 30, 2023 EX-4.5

Form of Restricted Stock Unit Award Agreement under the First Busey Corporation Amended 2020 Equity Incentive Plan

buse20230530xex45 FIRST BUSEY CORPORATION AMENDED 2020 EQUITY INCENTIVE PLAN RESTRICTED STOCK UNIT AWARD The Participant specified below has been granted this Restricted Stock Unit Award (the “Award”) by First Busey Corporation, a Nevada corporation (the “Company”), under the terms of the First Busey Corporation Amended 2020 Equity Incentive Plan (the “Plan”).

May 26, 2023 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Other Events, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 24, 2023 First Busey Corporation (Exact name of Registrant as specified in its charter) Nevada 0-15950 37-1078406 (State of Incorporation) (Commission File Number) (I.R.S. Employe

May 10, 2023 EX-99.1

1 BUSE Investor & Analyst Day 2023 Agenda 2 Agenda Time Topic Speakers 1:00 – 1:30 pm One Busey Van Dukeman Chairman, President & CEO, First Busey Corp. Robin Elliott President & CEO, Busey Bank | CEO, FirsTech 1:30 – 2:00 pm Regional Operating Model

buse20230510xexhibit991 1 BUSE Investor & Analyst Day 2023 Agenda 2 Agenda Time Topic Speakers 1:00 – 1:30 pm One Busey Van Dukeman Chairman, President & CEO, First Busey Corp.

May 10, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 10, 2023 First Busey Corporat

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 10, 2023 First Busey Corporation (Exact name of Registrant as specified in its charter) Nevada 0-15950 37-1078406 (State of Incorporation) (Commission File Number) (I.R.S. Employe

May 4, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

Table of Contents 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 March 31, 2023 o Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Commission File No.

April 25, 2023 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 25, 2023 First Busey Corporation (Exact name of Registrant as specified in its charter) Nevada 0-15950 37-1078406 (State of Incorporation) (Commission File Number) (I.R.S. Emplo

April 25, 2023 EX-99.1

First Busey Reports First Quarter Net Income of $36.8 million and diluted EPS of $0.65

April 25, 2023 First Busey Announces 2023 First Quarter Earnings CHAMPAIGN, IL – (GLOBE NEWSWIRE) – First Busey Corporation (Nasdaq: BUSE) First Busey Reports First Quarter Net Income of $36.

April 25, 2023 EX-99.2

April 25, 2023 1Q23 QUARTERLY EARNINGS SUPPLEMENT 2 2Ticker: BUSE Special Note Concerning Forward-Looking Statements Statements made in this document, other than those concerning historical financial information, may be considered forward- looking st

EX-99.2 3 buse20230425x23q1xex992.htm EX-99.2 April 25, 2023 1Q23 QUARTERLY EARNINGS SUPPLEMENT 2 2Ticker: BUSE Special Note Concerning Forward-Looking Statements Statements made in this document, other than those concerning historical financial information, may be considered forward- looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 with respect to the

April 14, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant: x Filed by a Party other than the Registrant: ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use

April 14, 2023 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant: ☒ Filed by a Party other than the Registrant: ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Conf

April 11, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 11, 2023 First Busey Corpor

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 11, 2023 First Busey Corporation (Exact name of Registrant as specified in its charter) Nevada 0-15950 37-1078406 (State of Incorporation) (Commission File Number) (I.R.S. Emplo

March 1, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): March 01, 2023 First Busey Corpor

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): March 01, 2023 First Busey Corporation (Exact name of Registrant as specified in its charter) Nevada 0-15950 37-1078406 (State of Incorporation) (Commission File Number) (I.R.S. Emplo

February 23, 2023 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 ☐ 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 registra

February 23, 2023 EX-21.1

List of Subsidiaries of First Busey Corporation (incorporated by reference to Exhibit 21.1 of First Busey Corporation’s Form 10-K for the fiscal year ended December 31, 2022, filed with the Commission on February 23, 2023 (Commission No. 0-15950)).

EXHIBIT 21.1 Subsidiaries of First Busey Corporation DIRECT Subsidiary State of Incorporation or Organization Busey Bank Illinois First Busey Risk Management, Inc. Nevada Deed of Trust Services Corporation Missouri First Busey Statutory Trust II Delaware First Busey Statutory Trust III Delaware First Busey Statutory Trust IV Delaware Pulaski Financial Statutory Trust I Connecticut Pulaski Financia

February 23, 2023 EX-10.30

First Busey Profit Sharing Plan and Trust (as amended and restated January 1, 2022)

buse-20221231ex1030 ASCENSUS LLC DEFINED CONTRIBUTION PRE-APPROVED PLAN DocuSign Envelope ID: 3017D801-FA87-473A-8470-15DEA0E31E91 EXHIBIT 10.

February 10, 2023 SC 13G

BUSE / First Busey Corporation / DIMENSIONAL FUND ADVISORS LP - SEC SCHEDULE 13G Passive Investment

SC 13G 1 SEC13GFiling.htm SEC SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* First Busey Corp (Name of Issuer) Common Stock (Title of Class of Securities) 319383204 (CUSIP Number) December 30, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to design

February 9, 2023 SC 13G

BUSE / First Busey Corporation / VANGUARD GROUP INC - SCHEDULE 13G Passive Investment

SC 13G 1 tv0906-firstbuseycorp.htm SCHEDULE 13G SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 Name of issuer: First Busey Corp. Title of Class of Securities: Common Stock CUSIP Number: 319383204 Date of Event Which Requires Filing of this Statement: December 30, 2022 Check the appropriate box to designate the rule pursuant to which

January 24, 2023 EX-99.1

First Busey Reports Fourth Quarter Net Income of $34.4 million and diluted EPS of $0.61

January 24, 2023 First Busey Announces 2022 Fourth Quarter Earnings CHAMPAIGN, IL – (GLOBE NEWSWIRE) – First Busey Corporation (Nasdaq: BUSE) First Busey Reports Fourth Quarter Net Income of $34.

January 24, 2023 EX-99.2

January 24, 2023 4Q22 QUARTERLY EARNINGS SUPPLEMENT 2 2Ticker: BUSE Special Note Concerning Forward-Looking Statements Statements made in this document, other than those concerning historical financial information, may be considered forward- looking

January 24, 2023 4Q22 QUARTERLY EARNINGS SUPPLEMENT 2 2Ticker: BUSE Special Note Concerning Forward-Looking Statements Statements made in this document, other than those concerning historical financial information, may be considered forward- looking 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.

January 24, 2023 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): January 24, 2023 First Busey Corporation (Exact name of Registrant as specified in its charter) Nevada 0-15950 37-1078406 (State of Incorporation) (Commission File Number) (I.R.S. Emp

January 10, 2023 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): January 10, 2023 First Busey Corporation (Exact name of Registrant as specified in its charter) Nevada 0-15950 37-1078406 (State of Incorporation) (Commission File Number) (I.R.S. Emp

November 3, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

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 September 30, 2022 o Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Commission File No.

October 25, 2022 EX-99.1

First Busey Reports Third Quarter Net Income of $35.7 million and diluted EPS of $0.64

October 25, 2022 First Busey Announces 2022 Third Quarter Earnings CHAMPAIGN, IL ? (GLOBE NEWSWIRE) ? First Busey Corporation (Nasdaq: BUSE) First Busey Reports Third Quarter Net Income of $35.

October 25, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): October 25, 2022 First Busey Corporation (Exact name of Registrant as specified in its charter) Nevada 0-15950 37-1078406 (State of Incorporation) (Commission File Number) (I.R.S. Emp

October 25, 2022 EX-99.2

October 25, 2022 3Q22 QUARTERLY EARNINGS SUPPLEMENT 2 2Ticker: BUSE Special Note Concerning Forward-Looking Statements Statements made in this document, other than those concerning historical financial information, may be considered forward- looking

October 25, 2022 3Q22 QUARTERLY EARNINGS SUPPLEMENT 2 2Ticker: BUSE Special Note Concerning Forward-Looking Statements Statements made in this document, other than those concerning historical financial information, may be considered forward- looking 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.

October 11, 2022 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): October 11, 2022 First Busey Corporation (Exact name of Registrant as specified in its charter) Nevada 0-15950 37-1078406 (State of Incorporation) (Commission File Number) (I.R.S. Emp

August 4, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

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.

July 26, 2022 EX-99.2

2 2 Ticker: BUSE Special Note Concerning Forward - Looking Statements Statements made in this document, other than those concerning historical financial information, may be considered forward - looking statements within the meaning of the Private Sec

Exhibit 99.2 July 26, 2022 2Q22 QUARTERLY EARNINGS SUPPLEMENT 2 2 Ticker: BUSE Special Note Concerning Forward - Looking Statements Statements made in this document, other than those concerning historical financial information, may be considered forward - looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 with respect to the financial condition, results o

July 26, 2022 EX-99.1

SELECTED FINANCIAL HIGHLIGHTS (unaudited)

July 26, 2022 ? First Busey Announces 2022 Second Quarter Earnings CHAMPAIGN, IL ? (GLOBE NEWSWIRE) ? First Busey Corporation (Nasdaq: BUSE) ? Message from our Chairman & CEO ? ? Second Quarter 2022 Highlights: ?Second quarter 2022 net income of $29.

July 26, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ? FORM 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 26, 2022 First Busey Corporation (Exact name of registrant as specified in its charter) ? ? ? Nevada 0-15950 37-1078406 (State or other jurisdiction of incorporation) (Comm

July 12, 2022 8-K

Other Events

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ? FORM 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 12, 2022 First Busey Corporation (Exact name of registrant as specified in its charter) ? ? ? Nevada 0-15950 37-1078406 (State or other jurisdiction of incorporation) (Comm

June 29, 2022 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 11-K For Annual Reports of Employee Stock Purchase, Savings and Similar Plans Pursuant to Section 15(d) of the Securities Exchange Act of 1934

11-K 1 tm2219445d111k.htm FORM 11-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 11-K For Annual Reports of Employee Stock Purchase, Savings and Similar Plans Pursuant to Section 15(d) of the Securities Exchange Act of 1934 x ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 OR ¨ TRANSITION REPOR

June 3, 2022 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 2, 2022 First Busey Corporation (Exact name of registrant as specified in its charter) Nevada 0-15950 37-1078406 (State or other jurisdiction of incorporation) (Commission File N

June 3, 2022 EX-4.2

Fourth Supplemental Indenture, dated as of June 2, 2022, between the Company and U.S. Bank Trust Company, National Association

Exhibit 4.2 FIRST BUSEY CORPORATION, Company and U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, Trustee FOURTH SUPPLEMENTAL INDENTURE dated as of June 2, 2022 to INDENTURE dated as of May 25, 2017 Relating to 5.000% Fixed-to-Floating Rate Subordinated Notes due 2032 TABLE OF CONTENTS Page Article 1 DEFINITIONS 1 Article 2 GENERAL TERMS AND CONDITIONS OF THE NOTES 6 2.01 Designation and Principal A

May 27, 2022 EX-1.1

Underwriting Agreement, dated May 25, 2022, between the Company, the Bank and Piper Sandler & Co. and U.S. Bancorp Investments, Inc.

EX-1.1 2 tm2217066d1ex1-1.htm EXHIBIT 1.1 Exhibit 1.1 $100.0 Million Aggregate Principal Amount of 5.000% Fixed-to-Floating Rate Subordinated Notes due 2032 First Busey Corporation UNDERWRITING AGREEMENT May 25, 2022 Piper Sandler & Co. U.S. Bancorp Investments, Inc. As Representatives of the several Underwriters named in Schedule A hereto c/o Piper Sandler & Co. 1251 Avenue of the Americas, 6th F

May 27, 2022 EX-99.1

First Busey Corporation Announces Pricing of Subordinated Notes Offering

Exhibit 99.1 FOR IMMEDIATE RELEASE May 25, 2022 First Busey Corporation Announces Pricing of Subordinated Notes Offering Champaign, IL ? First Busey Corporation (NASDAQ: BUSE) (the ?Company?), the holding company for Busey Bank (the ?Bank?), today announced the pricing of its public offering of $100.0 million aggregate principal amount of 5.000% Fixed-to-Floating Rate Subordinated Notes due 2032 (

May 27, 2022 424B5

5.000% Fixed-to-Floating Rate Subordinated Notes due 2032

TABLE OF CONTENTS ?Filed Pursuant to Rule 424(b)(5)? ?Registration No. 333-249028? Prospectus Supplement (To Prospectus dated September 24, 2020) $100,000,000 5.000% Fixed-to-Floating Rate Subordinated Notes due 2032 We are offering $100,000,000 aggregate principal amount of our 5.000% Fixed-to-Floating Rate Subordinated Notes due 2032 (the ?Notes?). The Notes will be offered in minimum denominati

May 27, 2022 EX-FILING FEES

Calculation of Filing Fee Table 424(b)(5) (Form Type) First Busey Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities

? Exhibit 107? Calculation of Filing Fee Table 424(b)(5) (Form Type) First Busey Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities ? ? ? Security Type ? ? Security Class Title ? ? Fee Calculation Rule or Carry Forward Rule ? ? Amount Registered ? ? Proposed Maximum Offering Price Per Unit ? ? Maximum Aggregate Offering Price ? ? Fee Rate ? ? Amount of Registration Fee ? Newly Registered Securities ? Fees to Be Paid ? ? ? ? Debt ? ? ? 5% Fixed to Floating Rate Subordinated Notes Due 2032 ? ? Rule 457(r) ? ? ? $ 100,000,000 ? ? ? ? ? 100.

May 27, 2022 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 25, 2022 First Busey Corporation (Exact name of registrant as specified in its charter) Nevada 0-15950 37-1078406 (State or other jurisdiction of incorporation) (Commission File N

May 27, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 25, 2022 First Busey Corporation (Exact name of registrant as specified in its charter) Nevada 0-15950 37-1078406 (State or other jurisdiction of incorporation) (Commission File N

May 26, 2022 FWP

First Busey Corporation 5.000% Fixed-to-Floating Rate Subordinated Notes due 2032 Term Sheet May 25, 2022

Free Writing Prospectus Filed Pursuant to Rule 433 Registration Statement No. 333-249028 May 25, 2022 First Busey Corporation $100,000,000 5.000% Fixed-to-Floating Rate Subordinated Notes due 2032 Term Sheet May 25, 2022 The following information relates only to First Busey Corporation?s offering (the ?Offering?) of its 5.000% Fixed-to-Floating Rate Subordinated Notes due 2032 and should be read t

May 25, 2022 424B5

SUBJECT TO COMPLETION PRELIMINARY PROSPECTUS SUPPLEMENT DATED MAY 25, 2022

424B5 1 tm2215555-1424b5.htm 424B5 TABLE OF CONTENTS The information in this preliminary prospectus supplement is not complete and may be changed. A registration statement relating to the securities to be sold by the issuer has become effective under the Securities Act of 1933, as amended, by rule of the Securities and Exchange Commission. This preliminary prospectus supplement and the accompanyin

May 25, 2022 FWP

Free Writing Prospectus Filed Pursuant to Rule 433 Registration Statement No. 333-249028 Dated May 25, 2022

FWP 1 tm2215555d3fwp.htm FWP Free Writing Prospectus Filed Pursuant to Rule 433 Registration Statement No. 333-249028 Dated May 25, 2022 May 2022 INVESTOR PRESENTATION 2 2 Ticker: BUSE Special Note Concerning Forward-Looking Statements Statements made in this document, other than those concerning historical financial information, may be considered forward- looking statements within the meaning of

May 20, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 20, 2022 First Busey Corporation (Exact name of registrant as specified in its charter) Nevada 0-15950 37-1078406 (State or other jurisdiction of incorporation) (Commission File N

May 20, 2022 EX-99.1

May 2022 INVESTOR PRESENTATION 2 2 Ticker: BUSE Special Note Concerning Forward-Looking Statements Statements made in this document, other than those concerning historical financial information, may be considered forward- looking statements within th

Exhibit 99.1 May 2022 INVESTOR PRESENTATION 2 2 Ticker: BUSE Special Note Concerning Forward-Looking Statements Statements made in this document, other than those concerning historical financial information, may be considered forward- looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 with respect to the financial condition, results of operations, plans,

May 5, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

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.

April 26, 2022 EX-99.1

SELECTED FINANCIAL HIGHLIGHTS (unaudited)

April 26, 2022 ? First Busey Announces 2022 First Quarter Earnings CHAMPAIGN, IL ? (GLOBE NEWSWIRE) ? First Busey Corporation (Nasdaq: BUSE) ? Message from our Chairman & CEO ? ? First Quarter 2022 Highlights: ?First quarter 2022 net income of $28.

April 26, 2022 EX-99.2

2 2 Ticker: BUSE Special Note Concerning Forward - Looking Statements Statements made in this document, other than those concerning historical financial information, may be considered forward - looking statements within the meaning of the Private Sec

Exhibit 99.2 April 26, 2022 1Q22 QUARTERLY EARNINGS SUPPLEMENT 2 2 Ticker: BUSE Special Note Concerning Forward - Looking Statements Statements made in this document, other than those concerning historical financial information, may be considered forward - looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 with respect to the financial condition, results

April 26, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ? FORM 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 26, 2022 First Busey Corporation (Exact name of registrant as specified in its charter) ? ? ? Nevada 0-15950 37-1078406 (State or other jurisdiction of incorporation) (Com

April 14, 2022 ARS

20 21 ANNUAL REPORT Building Business. Growing Wealth. Connecting Communities. Since we opened our doors in 1868, Busey has built a foundation of broad financial capabilities, deep knowledge and close relationships that span generations—all with your

20 21 ANNUAL REPORT Building Business. Growing Wealth. Connecting Communities. Since we opened our doors in 1868, Busey has built a foundation of broad financial capabilities, deep knowledge and close relationships that span generations?all with your peace of mind as our priority. Through a steadfast commitment to balance sheet strength, profitability and growth? in that order?Busey remains a stro

April 14, 2022 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

DEF 14A 1 tm223417-1def14a.htm DEF 14A TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant: ☒ Filed by a Party other than the Registrant: ☐ Check the appropriate bo

April 14, 2022 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant: x Filed by a Party other than the Registrant: ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use

April 12, 2022 8-K

Other Events

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ? FORM 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 12, 2022 First Busey Corporation (Exact name of registrant as specified in its charter) ? ? ? Nevada 0-15950 37-1078406 (State or other jurisdiction of incorporation) (Com

February 24, 2022 EX-21.1

List of Subsidiaries of First Busey Corporation

EXHIBIT 21.1 ? List of Subsidiaries of First Busey Corporation and State of Incorporation/Organization ? ? ? ? ? DIRECT ? ? Subsidiary State of Incorporation/Organization Busey Bank ? Illinois First Busey Risk Management, Inc. ? Nevada Deed of Trust Services Corporation ? Missouri First Busey Statutory Trust II ? Delaware First Busey Statutory Trust III ? Delaware First Busey Statutory Trust IV ?

February 24, 2022 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K

Table of Contents 7 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

February 8, 2022 SC 13G/A

BUSE / First Busey Corporation / DIMENSIONAL FUND ADVISORS LP - SEC SCHEDULE 13G Passive Investment

SC 13G/A 1 SEC13GFiling.htm SEC SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1 )* First Busey Corp (Name of Issuer) Common Stock (Title of Class of Securities) 319383204 (CUSIP Number) December 31, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to de

January 25, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ? FORM 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 25, 2022 First Busey Corporation (Exact name of registrant as specified in its charter) ? ? ? Nevada 0-15950 37-1078406 (State or other jurisdiction of incorporation) (C

January 25, 2022 EX-99.1

SELECTED FINANCIAL HIGHLIGHTS (Unaudited)

January 25, 2022 ? First Busey Announces 2021 Fourth Quarter Earnings CHAMPAIGN, IL ? (GLOBE NEWSWIRE) ? First Busey Corporation (Nasdaq: BUSE) ? Message from our Chairman & CEO ? ? Fourth Quarter 2021 Highlights: ?Fourth quarter 2021 net income of $29.

January 25, 2022 EX-99.2

January 25, 2022 4Q21 QUARTERLY EARNINGS SUPPLEMENT 2 2 Special Note Concerning Forward - Looking Statements Statements made in this document, other than those concerning historical financial information, may be considered forward - looking statement

Exhibit 99.2 January 25, 2022 4Q21 QUARTERLY EARNINGS SUPPLEMENT 2 2 Special Note Concerning Forward - Looking Statements Statements made in this document, other than those concerning historical financial information, may be considered forward - looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 with respect to the financial condition, results of operatio

January 11, 2022 8-K

Other Events

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ? FORM 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 11, 2022 First Busey Corporation (Exact name of registrant as specified in its charter) ? ? ? Nevada 0-15950 37-1078406 (State or other jurisdiction of incorporation) (C

November 4, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

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 September 30, 2021 ? ? ? ? Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 ? Commission File No.

October 26, 2021 EX-99.1

SELECTED FINANCIAL HIGHLIGHTS (Unaudited)

October 26, 2021 ? First Busey Announces 2021 Third Quarter Earnings CHAMPAIGN, IL ? (GLOBE NEWSWIRE) ? First Busey Corporation (Nasdaq: BUSE) ? Message from our Chairman & CEO ? ? Third Quarter 2021 Highlights: ?Third quarter 2021 net income of $25.

October 26, 2021 EX-99.2

October 26, 2021 3Q21 QUARTERLY EARNINGS SUPPLEMENT 2 2 Special Note Concerning Forward-LookingStatements Statements made in this document, other than those concerning historical financial information, may be considered forward - looking statements w

Exhibit 99.2 October 26, 2021 3Q21 QUARTERLY EARNINGS SUPPLEMENT 2 2 Special Note Concerning Forward-LookingStatements Statements made in this document, other than those concerning historical financial information, may be considered forward - looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 with respect to the financial condition, results of operations,

October 26, 2021 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ? FORM 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 26, 2021 First Busey Corporation (Exact name of registrant as specified in its charter) ? ? ? Nevada 0-15950 37-1078406 (State or other jurisdiction of incorporation) (C

October 12, 2021 8-K

Other Events

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ? FORM 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 12, 2021 First Busey Corporation (Exact name of registrant as specified in its charter) ? ? ? Nevada 0-15950 37-1078406 (State or other jurisdiction of incorporation) (C

August 5, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

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, 2021 ? ? ? ? Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 ? Commission File No.

July 27, 2021 EX-99.1

SELECTED FINANCIAL HIGHLIGHTS (Unaudited)

July 27, 2021 ? First Busey Announces 2021 Second Quarter Earnings CHAMPAIGN, IL ? (GLOBE NEWSWIRE) ? First Busey Corporation (Nasdaq: BUSE) ? Message from our Chairman & CEO ? ? Second Quarter 2021 Highlights: ?Second quarter 2021 net income of $29.

July 27, 2021 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ? FORM 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 27, 2021 First Busey Corporation (Exact name of registrant as specified in its charter) ? ? ? Nevada 0-15950 37-1078406 (State or other jurisdiction of incorporation) (Comm

July 27, 2021 EX-99.2

July 27, 2021 2Q21 QUARTERLY EARNINGS SUPPLEMENT

Exhibit 99.2 ? July 27, 2021 2Q21 QUARTERLY EARNINGS SUPPLEMENT ? ? Special Note Concerning Forward-Looking Statements Statements made in this document, other than those concerning historical financial information, may be considered forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 with respect to the financial condition, results of operations, p

July 13, 2021 8-K

Other Events

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ? FORM 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 13, 2021 First Busey Corporation (Exact name of registrant as specified in its charter) ? ? ? Nevada 0-15950 37-1078406 (State or other jurisdiction of incorporation) (Comm

June 29, 2021 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 11-K For Annual Reports of Employee Stock Purchase, Savings and Similar Plans Pursuant to Section 15(d) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 11-K For Annual Reports of Employee Stock Purchase, Savings and Similar Plans Pursuant to Section 15(d) of the Securities Exchange Act of 1934 x ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 OR ? TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 0-15950 (First Busey Corporation) 33-30095 (First Busey Corporation Profit Sharing Plan and Trust) A.

June 2, 2021 EX-99.1

First Busey Corporation Finalizes Acquisition of Cummins-American Corp. and Glenview State Bank

? ? ? Exhibit 99.1 ? ? ? FOR IMMEDIATE RELEASE June 2, 2021 ? ? First Busey Corporation Finalizes Acquisition of Cummins-American Corp. and Glenview State Bank ? CHAMPAIGN, IL and GLENVIEW, IL?First Busey Corporation (?Busey?) (NASDAQ: BUSE), the holding company for Busey Bank, announced the completion of its acquisition of Cummins-American Corp. (?CAC?), the holding company for Glenview State Ban

June 2, 2021 8-K

Regulation FD Disclosure, Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant, Other Events

? ? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ? FORM 8-K ? Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 ? Date of Report (Date of earliest event reported): May 28, 2021 ? First Busey Corporation (Exact name of registrant as specified in its charter) ? ? ? ? Nevada 0-15950 37-1078406 (State or other jurisdiction of incorporati

June 2, 2021 EX-10.34

Second Amended and Restated Credit Agreement, dated as of May 28, 2021, by and between First Busey Corporation and U.S. Bank National Association

?Exhibit 10.34 SECOND AMENDED AND RESTATED CREDIT AGREEMENT THIS SECOND AMENDED AND RESTATED CREDIT AGREEMENT is entered into and effective as of May 28, 2021, by and between FIRST BUSEY CORPORATION, a Nevada corporation and a registered bank holding company (the ?Company?), and U.S. BANK NATIONAL ASSOCIATION, a national banking association (the ?Lender?). RECITALS A.The Company and the Lender are

May 21, 2021 S-8

As filed with the Securities and Exchange Commission on May 21, 2021

As filed with the Securities and Exchange Commission on May 21, 2021 Registration No.

May 21, 2021 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 19, 2021 First Busey Corporation (Exact name of registrant as specified in its charter) Nevada 000-15950 37-1078406 (State or other jurisdiction of incorporation) (Commission File

May 18, 2021 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 17, 2021 First Busey Corporation (Exact name of registrant as specified in its charter) Nevada 000-15950 37-1078406 (State or other jurisdiction of incorporation) (Commission File

May 6, 2021 EX-10.33

Gregory B. Lykins Letter of Understanding, dated April 1, 2021

Exhibit 10.33 ? ? ? ? April 1, 2021 ? ? ? Mr. Gregory B. Lykins Vice Chairman of the Board First Busey Corporation 100 West University Avenue Champaign, Illinois 61820 ? Dear Greg: ? As you know, in connection with the merger of Main Street Trust, Inc. with First Busey Corporation ("Busey") you entered into that certain letter of understanding dated September 20, 2006, which set forth the terms of

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