HBT2024DEFA14A

Step 1: Go to www.envisionreports.com/HBT. Step 2: Click on Cast Your Vote or Request Materials. Step 3: Follow the instructions on the screen to log in. www.envisionreports.com/HBT Online Go to www.envisionreports.com/HBT or scan the QR code — login details are located in the shaded bar below. Stockholder Meeting Notice 03YM4B + + Important Notice Regarding the Availability of Proxy Materials for the Annual Meeting of Stockholders of HBT Financial, Inc. to be Held on May 28, 2024 Under Securities and Exchange Commission rules, you are receiving this notice that the proxy materials for the annual meeting of stockholders are available on the Internet. Follow the instructions below to view the materials and vote online or request a copy. The items to be voted on and location of the annual meeting are on the reverse side. Your vote is important! This communication presents only an overview of the more complete proxy materials that are available to you on the Internet. We encourage you to access and review all of the important information contained in the proxy materials before voting. The Notice of Annual Meeting of Stockholders, 2024 Proxy Statement, Proxy Card and 2023 Annual Report on Form 10-K are available at: Obtaining a Copy of the Proxy Materials – If you want to receive a copy of the proxy materials, you must request one. There is no charge to you for requesting a copy. Please make your request as instructed on the reverse side on or before May 15, 2024 to facilitate timely delivery. 2 N O T Easy Online Access — View your proxy materials and vote. When you go online, you can also help the environment by consenting to receive electronic delivery of future materials. Step 4: Make your selections as instructed on each screen for your delivery preferences. Step 5: Vote your shares. MMMMMMMMMMMM M M M M M M M M M MR A SAMPLE DESIGNATION (IF ANY) ADD 1 ADD 2 ADD 3 ADD 4 ADD 5 ADD 6 ENDORSEMENT_LINE______________ SACKPACK_____________ 1234 5678 9012 345 C 1234567890 C O Y MMMMMMM 0 0 0 0 0 1

Here’s how to order a copy of the proxy materials and select delivery preferences: Current and future delivery requests can be submitted using the options below. If you request an email copy, you will receive an email with a link to the current meeting materials. PLEASE NOTE: You must use the number in the shaded bar on the reverse side when requesting a copy of the proxy materials. — Internet – Go to www.envisionreports.com/HBT. Click Cast Your Vote or Request Materials. — Phone – Call us free of charge at 1-866-641-4276. — Email – Send an email to investorvote@computershare.com with “Proxy Materials HBT Financial, Inc.” in the subject line. Include your full name and address, plus the number located in the shaded bar on the reverse side, and state that you want a paper copy of the meeting materials. To facilitate timely delivery, all requests for a paper copy of proxy materials must be received by May 15, 2024. The 2024 Annual Meeting of Stockholders of HBT Financial, Inc. will be held on May 28, 2024, 10:00 A.M. Central Time, virtually via the internet at https://meetnow.global/MNN7YYQ. To access the virtual meeting, you must have the information that is printed in the shaded bar located on the reverse side of this form. Proposals to be voted on at the meeting are listed below along with the Board of Directors’ recommendations. The Board of Directors recommend a vote FOR all the nominees listed in Proposal 1 and FOR Proposal 2. 1. Election of Directors: 01 - Roger A. Baker 02 - C. Alvin Bowman 03 - Eric E. Burwell 04 - Patrick F. Busch 05 - J. Lance Carter 06 - Allen C. Drake 07 - Fred L. Drake 08 - Linda J. Koch 09 - Gerald E. Pfeiffer 2. Ratification of the appointment of RSM US LLP as the independent registered public accounting firm for the year ending December 31, 2024. PLEASE NOTE – YOU CANNOT VOTE BY RETURNING THIS NOTICE. To vote your shares you must go online or request a paper copy of the proxy materials to receive a proxy card. Stockholder Meeting Notice


Filed by the Registrant x
Filed by a Party other than the Registrant o

Check the appropriate box:
o			Preliminary Proxy Statement
o			Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))
o			Definitive Proxy Statement
x			Definitive Additional Materials
o			Soliciting Material under §240.14a-12

HBT Financial, Inc.
(Name of Registrant as Specified In Its Charter)

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

Payment of Filing Fee (Check the appropriate box):
x			No fee required.
o			Fee paid previously with preliminary materials.
o			Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11.