Slide 1: Origin Bancorp, Inc. 3Q25 Investor Presentation
ORIGIN BANCORP, INC. 3Q TWENTY25 INVESTOR PRESENTATION
Slide 2: Forward-Looking Statements and Non-GAAP Measures
FORWARD-LOOKING STATEMENTS AND NON-GAAP MEASURES This presentation contains certain forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Forward-looking statements include information regarding Origin Bancorp, Inc’s (“Origin”, “we”, “our” or the “Com
Slide 3: Deposits & Loans by State
BEST BANKS TO WORK FOR IN AMERICA 12 CONSECUTIVE YEARS 11 17 6 9 1 1 11 DEPOSITS & LOANS BY STATE(1) DOLLARS IN MILLIONS, UNAUDITED (2) (3) Deposits (2) Loans (3) TEXAS Dallas/Fort Worth Houston East Texas Entry: 2008 Entry: 2013 Entry: 2022 54% Loans: $2,559 Loans: $2,032 Loans: $376 Deposits: $1,9
Slide 4: Optimize Origin: Updated Financial Outlook
OPTIMIZE ORIGIN TO DELIVER ELITE LEVEL FINANCIAL PERFORMANCE PRODUCTIVITY, DELIVERY BALANCE SHEET CULTURE & EMPLOYEE & EFFICIENCY OPTIMIZATION ENGAGEMENT UPDATED FINANCIAL OUTLOOK NEAR TERM GOAL ULTIMATE TARGET 1% + ROAA RUN RATE BY 4Q25 TOP QUARTILE ROAA 4 Q 2 5* 2 0 2 5* Loan Growth - ex Warehouse
Slide 5: Optimize Origin: Optimizations and Annualized Benefit
OPTIMIZE ORIGIN TO DELIVER ELITE LEVEL FINANCIAL PERFORMANCE UPDATED UPDATED ANNUALIZED OPTIMIZATIONS REALIZATION TIMELINE BENEFIT (pre-tax) • Production Optimization: Branch, retail staff, commercial banker and other production banker 4Q24 – 2H25 ~ $11.5MM profitability optimization • Securities Op
Slide 6: Origin Strategically Invests in Texas & Southeast
ORIGIN STRATEGICALLY INVESTS (6) IN TEXAS & SOUTHEAST THE MOST DYNAMIC GROWTH MARKETS IN THE COUNTRY TEXAS l 8th largest economy in the world STRONG l #1 in jobs created from August 2024 to August 2025 with 195,600 nonfarm jobs added NET MIGRATION INTO OUR MARKETS l Home to 54 Fortune 500 company he
Slide 7: ORIGIN BANCORP, INC. _______
7 ORIGIN BANCORP, INC. _______
Slide 8: Performance Highlights At-a-Glance - Third Quarter 2025
PERFORMANCE HIGHLIGHTS AT-A-GLANCE - THIRD QUARTER 2025 DOLLARS IN THOUSANDS, EXCEPT PER SHARE AMOUNTS UNAUDITED Key Performance Metrics 3Q25 2Q25 3Q25 Key Highlights Total Loans Held for Investment ("LHFI") $ 7,537,099 $ 7,684,446 • Optimize Origin - Initiative to drive elite Balance financial perf
Slide 9: Trending Key Measures
4Q 4Q 1Q21 1Q21 4,498 28,322 2Q 22 2Q 22 3Q22 3Q22 4Q22 4Q22 1Q22 UNAUDITED CA 1Q22 2Q 23 G 2Q 23 R 3Q23 3Q23 4Q23 4Q23 12. 1Q23 DOLLARS IN MILLIONS 1Q23 2Q 24 2Q 24 8% DOLLARS IN THOUSANDS 3Q24 3Q24 4Q24 Net Income ($) 4Q24 1Q24 Total Loans Held for 1Q24 2Q 25 2Q 25 Investment, Adjusted(8) ($) 3Q25
Slide 10: Delivering Shareholder Value
DELIVERING SHAREHOLDER VALUE UNAUDITED Total Assets ($) Core Deposits(10) ($) DOLLARS IN MILLIONS DOLLARS IN MILLIONS 9,791 3.4 % 3% R1 7,956 16. G GR CA CA 3,011 148 1997 2002 2007 2012 2017 2022 3Q25 2017 2018 2019 2020 2021 2022 2023 2024 3Q25 Total Shareholder Return(9) ($) Tangible Book Value p
Slide 11: Texas Growth Story
TEXAS GROWTH STORY UNAUDITED Texas Franchise Highlights Loan Trends by Texas Market(3) ($) DOLLARS IN MILLIONS • 31 locations throughout 11 counties including the 4th and 5th largest MSAs in the United States.(11) 18.6% CAGR • Texas franchise represents 71% of LHFI(3) and 54% of 5,276 5,250 4,967 4,
Slide 12: Loan Growth
LOAN GROWTH UNAUDITED Loans Held for Investment Growth excluding Linked Quarter Loans Held for Investment Change ($) Mortgage Warehouse Lines of Credit (14) ($) DOLLARS IN MILLIONS DOLLARS IN MILLIONS 8,000 7,331 7,225 7,064 Total Loans Held 6,805 (147) for Investment 7,225 7,064 6,000 1,212 4,498 5
Slide 13: Well Diversified Loan Portfolio
(15) WELL DIVERSIFIED LOAN PORTFOLIO UNAUDITED Loan Composition at September 30, 2025: $7,537 million C&I, Owner Occupied CRE & Mtg. Warehouse LOC: $3,380 million Finance & Insurance: 7% Residential Real Estate - Single Family Real Estate & Construction: 7% & Consumer 19% Mortgage Warehouse LOC: 6%
Slide 14: Credit Quality
CREDIT QUALITY UNAUDITED Asset Quality Trends (%) 1.17 1.18 1.07 1.10 1.11 1.14 1.84 0.99 1.04 1.68 1.66 0.88 0.96 0.88 0.96 1.57 0.81 1.35 0.56 0.56 0.49 1.65 0.25 0.24 0.48 (0.03) 0.15 0.12 0.16 0.10 3Q24 4Q24 1Q25 2Q25 3Q25 3Q24 4Q24 1Q25 2Q25 3Q25 Nonperforming LHFI / LHFI Classified LHFI / Tota
Slide 15: Selected Sectors - Key Portfolio Metrics
SELECTED SECTORS - KEY PORTFOLIO METRICS DOLLARS IN THOUSANDS, UNAUDITED Multi-Family Commercial Real Real Estate September 30, 2025 Hotel Retail Shopping Estate Office + Under Construction Outstanding Loan $ 379,293 $ 674,375 $ 107,274 $ 645,887 Balance % of Loans Held for 5.03 % 8.95 % 1.42 % 8.57
Slide 16: Investment Securities
INVESTMENT SECURITIES UNAUDITED Investment Securities Average Balance and Yield • Key Bond Trade Statistics since 3Q23: DOLLARS IN MILLIONS • AFS Sold - BV: $664.8 million 1,185 • Realized Loss: $40.8 million (6.1% of total BV sold) 1,152 1,163 1,156 1,128 • FTE NII Gain: $18.4 million • Estimated E
Slide 17: Loans & Securities - Repricing or Maturity
LOANS & SECURITIES- REPRICING OR MATURITY UNAUDITED Total Loans at September 30, 2025 Repricing or Maturity Term Rate Structure 1 Year or > 1 to 3 > 3 to 5 > 5 to 10 Floating Variable > 10 Years Total Fixed Rate (Dollars in thousands) less Years Years Years Rate(18) Rate(18) Commercial and industria
Slide 18: Deposit Detail
DEPOSIT DETAIL UNAUDITED Deposit Composition at September 30, 2025: $8,332 million Commercial Deposit Composition: $4,861 million Finance & Insurance: 8% Public Funds: 10% Real Estate Rental & Leasing: 8% Professional, Scientific, & Technical Svcs: 6% Construction: 6% Other Business Deposits <2%: 6%
Slide 19: Deposit Trends
DEPOSIT TRENDS UNAUDITED Average Deposits ($) Linked Quarter Deposit Change ($) DOLLARS IN MILLIONS DOLLARS IN MILLIONS, PERIOD END BALANCES 8,498 8,496 8,348 8,159 8,232 Total Deposits 209 1,470 1,214 972 869 820 Noninterest Bearing 159 1,837 1,881 1,901 Deposits Customer 1,850 1,941 Deposits Money
Slide 20: Yields and Costs
YIELDS AND COSTS UNAUDITED Yield on Loans Held for Investment (%) 8.43 7.82 7.50 7.50 7.46 6.67 6.47 6.33 6.33 6.33 5.33 4.78 4.36 4.33 4.35 3Q24 4Q24 1Q25 2Q25 3Q25 Yield on Loans Held for Investment Avg. Prime Rate 30 Day Avg. SOFR Cost of Funds (%) 4.01 3.61 3.18 3.23 3.20 3.20 2.82 3.14 2.58 2.5
Slide 21: Net Interest Income and NIM Trends
NET INTEREST INCOME AND NIM TRENDS DOLLARS IN THOUSANDS, UNAUDITED Net Interest Income & NIM NIM-FTE Changes - 3Q25 (%) 82,136 83,704 78,349 78,459 0.02 74,804 0.03 0.02 9,117 10,290 0.05 7,615 9,044 3.75 7,441 8,217 7,393 0.06 (0.03) 3.65 8,393 5,047 (0.02) 9,302 66,021 3.61 (0.05) 62,341 64,368 64
Slide 22: Net Revenue Distribution
NET REVENUE DISTRIBUTION DOLLARS IN THOUSANDS, UNAUDITED Net Interest Income + Noninterest Income ($)(4) 98,110 100,783 90,572 92,438 94,746 82.6% 84.8% 83.5% 83.7% 83.1% 3Q24 4Q24 1Q25 2Q25 3Q25 Net Interest Income Noninterest Income Major Components of Noninterest Income ($) Components of Other No
Slide 23: Noninterest Expense Analysis
NONINTEREST EXPENSE ANALYSIS UNAUDITED Noninterest Expense Composition ($) Efficiency Ratio (%) DOLLARS IN THOUSANDS 65,422 83.85 62,521 62,068 61,983 62,028 75.02 74.23 66.82 68.86 64.81 65.99 13,007 9,373 8,103 7,979 8,793 56.48 1,761 1,768 1,583 1,905 1,800 2,972 3,337 3,184 2,984 2,883 2,957 3,4
Slide 24: Liquidity
LIQUIDITY UNAUDITED Cash and Cash Equivalents + Liquid Securities ($) Liquidity Sources 3Q25 DOLLARS IN MILLIONS DOLLARS IN THOUSANDS 1,265 FHLB Borrowing Availability $ 2,347,436 1,064 1,079 1,099 1,028 Unpledged AFS Securities 672,948 Fed Funds Lines and Fed Discount Window 1,429,529 Total Additio
Slide 25: Capital
CAPITAL UNAUDITED Tier 1 Capital to Average Assets (Leverage Ratio)(22) (%) Tier 1 Capital to Risk-Weighted Assets(22) (%) 13.5 13.8 13.7 13.8 12.6 11.1 11.5 11.7 11.7 10.9 13.3 13.4 13.1 12.9 12.4 Well 10.8 10.9 11.2 11.2 11.0 Capitalized 8.0% Well Capitalized 5.0% 3Q24 4Q24 1Q25 2Q25 3Q25 3Q24 4Q2
Slide 26: Notable Items
NOTABLE ITEMS DOLLARS IN THOUSANDS, EXCEPT PER SHARE AMOUNTS, UNAUDITED QTD YTD 3Q25 2Q25 3Q25 $ Impact EPS Impact (23) $ Impact EPS Impact (23) $ Impact EPS Impact (23) Notable interest income items: Interest income reversal related to suspected borrower fraud $ (206) $ (0.01) $ — $ — $ (206) $ (0.
Slide 27: Reconciliation of Non-GAAP Financial Measures
RECONCILIATION OF NON-GAAP FINANCIAL MEASURES DOLLARS IN THOUSANDS, UNAUDITED 3Q25 2Q25 Calculation of PTPP earnings: Net income $ 8,623 $ 14,647 Provision for credit losses 36,820 2,862 Income tax expense 2,361 4,012 PTPP earnings (non-GAAP) $ 47,804 $ 21,521 Calculation of PTPP ROAA: PTPP earnings
Slide 28: Reconciliation of Non-GAAP Financial Measures
RECONCILIATION OF NON-GAAP FINANCIAL MEASURES DOLLARS IN THOUSANDS, UNAUDITED 3Q25 2Q25 Calculation of ROATCE: Net income $ 8,623 $ 14,647 Divided by number of days in the quarter 92 91 Multiplied by the number of days in the year 365 365 Annualized net income $ 34,211 $ 58,749 Total average stockho
Slide 29: Reconciliation of Non-GAAP Financial Measures
RECONCILIATION OF NON-GAAP FINANCIAL MEASURES DOLLARS IN THOUSANDS, EXCEPT PER SHARE AMOUNTS, UNAUDITED Calculation of tangible book value per common share: 3Q25 2Q25 1Q25 4Q24 3Q24 2Q24 1Q24 4Q23 Total common stockholders' equity $ 1,214,756 $ 1,205,769 $ 1,180,177 $ 1,145,245 $ 1,145,673 $ 1,095,8
Slide 30: Reconciliation of Non-GAAP Financial Measures
RECONCILIATION OF NON-GAAP FINANCIAL MEASURES DOLLARS IN THOUSANDS, UNAUDITED Calculation of core efficiency ratio: 3Q25 2Q25 1Q25 4Q24 3Q24 2Q24 1Q24 4Q23 Total noninterest expense $ 62,028 $ 61,983 $ 62,068 $ 65,422 $ 62,521 $ 64,388 $ 58,707 $ 60,906 Insurance and mortgage noninterest expense (7,
Slide 31: Glossary of Terms
GLOSSARY OF TERMS AFS - Available for sale ALCL - Allowance for loan credit losses BOLI - Bank owned life insurance CAGR - Compound annual growth rate C&I - Commercial & industrial loans CMO - Collateralized mortgage obligations CORE DEPOSITS - Total deposits excluding time deposits greater than $25
Slide 32: Presentation Notes
PRESENTATION NOTES (1) Excludes the Southeast market, for which deposits and loans represent approximately 1% their respective totals. (2) Excludes Treasury/wholesale deposits of $31.5 million at September 30, 2025. (3) Excludes mortgage warehouse lines of credit (“mortgage warehouse LOC”). (4) Excl