Tri-County Financial Group, Inc.

Tri-County Financial Group, Inc. (OTC: TYFG) related to its sale to HBT Financial. Under the terms of the proposed transaction, Tri-County shareholders may elect to receive 2.4589 shares of HBT Financial common stock, $71.01 per share in cash, or a combination of both, subject to proration provisions. The implied per share purchase price is $82.89. Upon closing, Tri-County shareholders are expected to hold approximately 9% of HBT Financial’s outstanding common stock.

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To receive more information regarding the investigation of Tri-County Financial Group, Inc. please fill out the form below.

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To start a Class Action lawsuit, please sign the Tri-County Financial Group, Inc. Retainer Agreement

This confirms that you have retained Monteverde & Associates PC to file an action with a complaint against Tri-County Financial Group, Inc. and/or its board of directors or officers. As a named plaintiff, you acknowledge that you owned shares in Tri-County Financial Group, Inc. prior to the recent takeover announcement and that you must maintain ownership in Tri-County Financial Group, Inc. throughout the litigation and/or closing of the transaction.

We agree to advance all expenses in the litigation, which means that you are not liable or responsible to pay any of the expenses of the action, whether attorneys’ fees or costs. Regardless of the result, we will never ask you to directly pay for any attorneys’ fees or costs. Should we obtain a favorable result, you authorize us to ask the court to award us compensation or seek reimbursement of expenses and up to one-third of any monetary class fund, or to negotiate and obtain a fee amount from defendants to be paid by the defendants, or its insurer or successor, but we will never ask you to pay any of the costs of this litigation.

As the client you are entitled to direct the litigation in any way you deem proper, and may at any time order us to dismiss the case or opt-out. Should you choose to do so, we will never ask you to reimburse us directly for any legal fees or expenses. During the course of this litigation, you authorize us to employ, share work and/or fees with other attorneys or law firms to prosecute your case.

We look forward to representing you in this case.

Sincerely,

Juan E. Monteverde, Esq.

AGREED: Sign Name

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1633

Signed pursuant to California Civil Code Section 1633. 1, et seq. – Uniform Electronic Transactions Act as adopted by the various states and territories of the United States.

Date of Signing

Date of Signing: 08/22/2026