Old Second Bancorp, Inc. · NASDAQ:OSBC

Old Second Bancorp — Merger or Acquisition (February 2025)

21 slides from Old Second Bancorp's merger presentation, Feb 25, 2025

  1. Slide 1: Acquisition of Bancorp Financial, Inc (Evergreen Bank Group)

    @ Old Second BANCORP, INC. Acquisition of Bancorp Financial, Inc (Evergreen Bank Group) February 24, 2025

  2. Slide 2: Cautionary Note Regarding Forward-Looking Statements

    Cautionary Note Regarding Forward-Looking Statements Statements included in this presentation, which are not historical in nature are intended tobe, and hereby are identified as, forward-lookingstatements within the meaning of the Private Securities Litigation Reform Actof 1995. Examples of forward-

  3. Slide 3: Cautionary Note Regarding Forward-Looking Statements (continued)

    + the impact of purchase accounting with respectto the transaction, orany change in the assumptions used regarding the assets purchased and liabilities assumed to determine their fair value; + diversion of management's attention from ongoing business operationsand opportunities; + reputational risk

  4. Slide 4: Additional Information

    Additional Information ADDITIONAL INFORMATION ABOUT THE MERGER AND WHERE TO FIND IT ‘This communication is being made in respect ofthe proposed merger transaction between Old Second and Bancorp Financial. In connection with the proposed merger, Old Second will file with the SEC a Registration Statem

  5. Slide 5: Combining to Create a Leading Community Bank in Chicago

    Combining to Create a Leading Community Bank in Chicago ENHANCED SCALE IN ATTRACTIVE MARKETS") $7.1B Assets $5.2B Gross Loans $6.0B Deposits IMPROVED PROFITABILITY IN 2026E 9 1.5% Returnon Avg. Assets 15+% Returnon Avg. Tangible Common Equity ‘Note: Market rankings pro forma for pending acquisitions

  6. Slide 6: Strategic Rationale

    Strategic Rationale COMPELLING POWERSPORTS LENDING BUSINESS LINE + Represents approximately 60% of outstanding loan balances with 88K accounts and a 2024 portfolio yield of 8.84% AS + Defensible, nationwide niche as established market leader in providing loans through tenured partnerships with origi

  7. Slide 7: Overview of Evergreen Bank Group

    EVERGREEN BANK Overview of Evergreen Bank Group * Headquartered in Oak Brook, IL, Evergreen operates two branches in the west and one CHICAGO MARKET RANKINGS) AND HIGHLIGHTS branch in the south Chicago suburbs and one loan production office in Reno, NV mstitation , + Average deposits per Bylnemanerp

  8. Slide 8: Powersports Overview

    Powersports Overview CONSUMER INDIRECTLENDING * Evergreen has two national powersport lending divisions doing business as FreedomRoad Financial and Performance Finance, both highly recognized names in national powersport financing space © Partners directly with original equipment manufacturers (“OEM

  9. Slide 9: Powersports Originations and Customer Profiles

    Powersports Originations and Customer Profiles POWERSPORT NEW ORIGINATIONS AND ACCOUNTS POWERSPORT PORTFOLIO BY GEOGRAPHY 2015 $246.8 2016 $249.8 2017 2018 mmm New Originations ($ Millions) New Accounts (# Thousands) 2019 2020 POWERSPORT PORTFOLIO COMPOSITION BY TIER 2021 5% eighted FICO 1 757 Tiers

  10. Slide 10: Powersports Asset Yields and Credit Quality

    race 10 Maintains high yieldsin low rate environments with 28% loan yield beta Powersports Asset Yields and Credit Quality |_i previous down cycle (3919-402) 10.00% 8.00% December 6.00% OnlyLoan LOAN YIELD naeie Waar s 9-48% 2.00% 0.00% 2016 2017 2018 2019 2020 2021 2022 2023 2024 evergreen Powerspo

  11. Slide 11: Transaction Terms

    pace 11 Transaction Terms AGGREGATE * $197 million) DEAL VALUE CONSIDER TION | + Evergreen shareholders to receive 2.5814x shares of Old Second common stock and $15.93 in cash per Evergreen share CONSIDERATION MIX PRO FORMA OWNERSHIP GOVERNANCE * Darin Campbell to join Old Second Bancorp Board of Di

  12. Slide 12: Positioned for Significant Shareholder Value Creation

    Positioned for Significant Shareholder Value Creation DELIVERING VALUE 2026E EPS Accretion Total Synergies to Old Second Identified Shareholders 16% $12M 2026E PROFITABILITY IMPROVEMENT ROBUST FUNDING & CAPITAL AT CLOSE Returnon Avg Assets ReturnonAvgEquity ReturnonAvgTangible Total Liquidity CRE /T

  13. Slide 13: Diverse Loan and Deposit Portfolio

    pace 13 Diverse Loan and Deposit Portfolio rc] Old Second EVERCHREN BANC PRO FORMA() pros = Muli Cost of Deposits: 0.88% Cost of Deposits: 3.97% Cost of Deposits: 1.54% ‘Note: Financial data as of the quarter ended December 31, 2024. (1) Excludes purchase accounting adjustments.

  14. Slide 14: Key Merger Assumptions

    pace 14 Key Merger Assumptions RETO n em - old Second: Based on consensus estimates AN ee * Evergreen: Projected $12.1 million net income in 2025 and $18.0 million net income in 2026, based on thorough due diligence * Aggregate fully phased-in cost savings of $12.0 million pre-tax ESTIMATED COST | i

  15. Slide 15: Positioned for Significant Shareholder Value Creation

    Positioned for Significant Shareholder Value Creation EXPECTED FINANCIAL IMPACT BENEFITS OF THE TRANSACTION GAAP EXCLUDING RATE CAPITAL RATIOS AT ‘glee REARS yy SANTOS ee Seema METRICS MARKS() CLOSING Evergreen shareholders: * Management accretive withstrongentrepreneurral track record of growthand

  16. Slide 16: Thorough Due Diligence Review

    Thorough Due Diligence Review DUE DILIGENCE SUMMARY * Comprehensive due diligence process over multiple months, involving senior leadership at both banks * Extensive credit diligence process © Review of loan files, underwriting practices, risk ratings, and loan administration * Detail risk managemen

  17. Slide 17: Compelling Cost Savings Opportunity

    Compelling Cost Savings Opportunity IDENTIFIED OPPORTUNITY ESTIMATED COST SAVINGS ($ in millions) Employee Expense $7.4 Occupancy Expense $1.0 General & Administrative Expense $2.3 Other Expense $13 Total Estimated Cost Sar * Identified expected net cost savings of $12.0 million with 50% achieved in

  18. Slide 18: Appendix

    Appendix

  19. Slide 19: Pro Forma Balance Sheet

    Pro Forma Balance Sheet As of December 31, 2024, Illustrative at Close’) 1 1 ($ in billions) ‘Old Second Evergreen 1"‘Old Second + Evergreen Assets i Total cash and securities $13 So.2 | $1.4 Net loans $3.9 $1.2 | $5.2 Total intangibles $0.1 $0.0 | $0.2 Other assets 0. 0.0! $0.4 Total assets $5.6 $1

  20. Slide 20: Expected Earnings Per Share Accretion

    Expected Earnings Per Share Accretion (Sand sharesin millions) 2025F (Stubbed) 2026E Old Second consensus net income $82.6 $83.0 Evergreen projected net income 63 38.0 After-tax transaction adjustments Fully phased in cost savings 48 304 Non-PCD loan credit mark accretion under CECL“? 22 43 Fair val

  21. Slide 21: Purchase Accounting Summary

    Purchase Accounting Summary Basic Shares r ($ and sharesin millions) Ganiilleees cae Goodwill Calculation (Old Second tangible book value as of December 31, 2024” $555.7 449 $12.98 | Merger consideration $1065 (+) Two quarters of consensus earnings prior to close 444 (© Two quarters of consensus per

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