First Financial Corporation · NASDAQ:THFF

First Financial — Merger or Acquisition (August 2026)

10 slides from First Financial's merger presentation, Aug 28, 2026

  1. Slide 1: Announcing the acquisition of First Illinois Corporation

    1 A u g u s t 27, 2026 First Financial Corporation Announcing the acquisition of First Illinois Corporation

  2. Slide 2: Legal Disclosure: Forward-looking Statements

    2 Legal Disclosure Forward-looking Statements Certain statements contained in this presentation, which are not statements of historical fact, constitute forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Such statements include, but are not limited

  3. Slide 3: Pro Forma Franchise

    3 Springfield Decatur Champaign-Urbana (1) Based on combined June 30, 2026 financials and excludes purchase accounting impacts (2) Estimated tangible common equity at closing inclusive of purchase accounting impacts and one-time merger charges Source: S&P Capital IQ Pro; Company provided documents P

  4. Slide 4: Hickory Point Bank and Trust Overview

    4 Hickory Point Bank and Trust Overview Note: Financial data as of June 30, 2026; market overview data as of June 30, 2025 per the FDIC’s summary of deposits Source: S&P Capital IQ Pro − Owned by Archer-Daniels-Midland Company (“ADM”) from 1986 through 2011 − Local business leaders and bank executiv

  5. Slide 5: Pro Forma Loan & Deposit Composition

    5 Non-interest Bearing 20.1% IB, MMDA & Savings 63.4% Retail CDs 6.9% Jumbo CDs 9.6% Non-interest Bearing 22.4% IB, MMDA & Savings 58.1% Retail CDs 7.8% Jumbo CDs 11.7% Non-interest Bearing 20.4% IB, MMDA & Savings 62.8% Retail CDs 7.0% Jumbo CDs 9.9% Pro Forma Loan & Deposit Composition Note: Bank-

  6. Slide 6: Transaction Highlights

    6 Transaction Highlights FINANCIALLY ATTRACTIVE • ~8% ownership for First Illinois shareholders • ~7% fully-phased EPS accretion • TBV earnback of 2.3 years • Short duration balance sheet leads to limited purchase accounting impact • 20%+ IRR ENHANCED FRANCHISE • Acquisition complements existing Ill

  7. Slide 7: Transaction Summary

    7 Transaction Summary (1) Transaction value and valuation multiples are based on THFF’s closing share price of $79.07 as of August 26, 2026 and June 30, 2026 financial data (2) Based on 2,424,590 First Illinois shares outstanding, inclusive of 5,629 restricted stock awards, and 166,840 First Illinoi

  8. Slide 8: Transaction Impact

    8 Transaction Impact ∙ Anticipated cost savings of 34% of First Illinois' noninterest expense base ∙ 75% phased-in during 2027, 100% thereafter ∙ $10.8 million in estimated pre-tax transaction expenses, fully realized in pro forma tangible book estimate at closing ∙ Loan credit mark of 1.39% of gros

  9. Slide 9: Track Record of Successful Acquisitions

    9 $3.0B $4.0B $4.6B $5.2B $5.0B $4.9B $5.6B $5.8B +$0.7B 2018 2019 2020 2021 2022 2023 2024 2025 2026 YTD Total Assets ($B) Track Record of Successful Acquisitions Note: Financial data as of June 30, 2026; completion date shown for past acquisitions Source: S&P Capital IQ Pro Acquisition HopFed Banc

  10. Slide 10: 10

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