First Busey Corporation – Material Contracts Watch

from 8-K 5 pages Material contract

from 10-K 11 pages Mr. Michael J. Maddox January 27, 2026 Page 3 if You Agree That This Letter Correctly Memorializes Our Understandings, Please Sign and Return This Letter, Which Will Become a Binding Agreement on Our Receipt. First Busey Corporation and Busey Bank By: Van A. Dukeman Chairman and Chief Executive Officer of First Busey Corporation and Chairman of Busey Bank Michael J. Maddox Date: Date: [Signature Page to Maddox – Separation Agreement]

from 10-K 24 pages Material contract

from 10-K 8 pages 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”). the Award Is Subject to the Plan and the Following Terms and Conditions (The “Award Terms”): Section 1. Award. in Accordance With the Plan, the Company Hereby Grants to the Participant the Award of Restricted Stock Units (Each, an “Rsu”), Where Each Rsu Represents the Right to Receive One Share of Stock in the Future, Subject to the Award Terms. the Award Is in All Respects Limited and Conditioned by the Plan and as Provided Herein. Section 2. Terms of Restricted Stock Unit Award. the Following Words and Phrases Relating to the Award Have the Following Meanings: (A) the “Participant” Is (B) the “Grant Date” Is (C) the Number of “Rsus” Is Except for Terms Defined Herein, Any Capitalized Term in the Award Terms Has the Meaning Ascribed to That Term Under the Plan. Section 3. Vesting Schedule. the Award Terms Evidence the Company’s Grant to the Participant, as of the Grant Date, on the Terms and Conditions Described in the Award Terms and in the Plan, of a Number of Rsus, Each of Which Represents the Right of the Participant to Receive One Share of Unrestricted Stock Upon Lapse of the Restrictions on the Rsus (Or a Portion Thereof) Subject to This Award, in Accordance With These Award Terms. (A) Subject to the Award Terms, Except as Specifically Provided Elsewhere Under the Plan or These Award Terms, the Restrictions on Rsus Subject to This Award Will Lapse in Accordance With the Schedule Set Forth Below (But Only if the Participant Has Not Had a Termination of Service Before the Applicable Vesting Date). Vesting Date Percentage of Rsus Vested One-Third (1/3) One-Third (1/3) One-Third

from 8-K 5 pages Material contract

from 8-K 28 pages Material contract

from 10-Q 7 pages Material contract

from 10-Q 2 pages Amendment to Employment Agreement

from 8-K 21 pages Employment Agreement

from 8-K 5 pages Retention Agreement

from 8-K 34 pages Crossfirst Bankshares, Inc. 2018 Omnibus Equity Incentive Plan

from 8-K 10 pages Employment Agreement

from 10-K 2 pages First Busey Corporation 2021 Employee Stock Purchase Plan First Amendment

from 10-K 5 pages Material contract

from 8-K 10 pages February 18, 2025 1. Separation

from 8-K 5 pages Van A. Dukeman at the Address on File With the Corporation Dear Van

from 10-Q 23 pages Employment Agreement

from 8-K 10 pages Material contract

from 10-K 144 pages Material contract

from 10-Q 2 pages ​ ​ ​ ​ April 1, 2021 ​ ​ ​ Mr. Gregory B. Lykins Vice Chairman of the Board First Busey Corporation 100 West University Avenue Champaign, Illinois 61820 ​ Dear Greg: ​