Slide 1: Origin Bancorp, Inc. 1Q26 Investor Presentation
ORIGIN BANCORP, INC. 1Q TWENTY26 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: Best Banks to Work For in America; Deposits & Loans by State
BEST BANKS TO WORK FOR IN AMERICA 13 CONSECUTIVE YEARS 11 17 6 9 2 1 11 DEPOSITS & LOANS BY STATE DOLLARS IN MILLIONS, UNAUDITED (1) (2) Deposits (1) Loans (2) TEXAS Dallas/Fort Worth Houston East Texas Entry: 2008 Entry: 2013 Entry: 2022 53% Loans: $2,476 Loans: $2,326 Loans: $394 Deposits: $2,036
Slide 4: Optimize Origin to Deliver Elite Level Financial Performance
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 1.15% + ROAA RUN RATE BY 4Q26 TOP QUARTILE ROAA 4 Q 2 6* 2 0 2 6* Loan Growth - ex Wareho
Slide 5: Origin Strategically Invests in Texas & Southeast
ORIGIN STRATEGICALLY INVESTS (4) 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 December 2024 to December 2025 with 132,500 nonfarm jobs added NET MIGRATION INTO OUR MARKETS l Home to 54 Fortune 500 compan
Slide 6: Origin Bancorp, Inc.
6 ORIGIN BANCORP, INC. _______
Slide 7: Performance Highlights At-A-Glance - First Quarter 2026
PERFORMANCE HIGHLIGHTS AT-A-GLANCE - FIRST QUARTER 2026 DOLLARS IN THOUSANDS, EXCEPT PER SHARE AMOUNTS UNAUDITED Key Performance Metrics 1Q26 4Q25 1Q26 Key Highlights Total Loans Held for Investment ("LHFI") $ 7,864,221 $ 7,670,917 • Net interest income was $87.2 million for 1Q26, reflecting an incr
Slide 8: Trending Key Measures
2Q 2Q 3Q22 4,995 3Q22 4Q 22 21,311 4Q 22 1Q22 1Q22 2Q23 2Q23 3Q23 UNAUDITED 3Q23 CAG 4Q 23 4Q 23 1Q23 1Q23 2Q24 2Q24 R 10 3Q24 DOLLARS IN MILLIONS 3Q24 4Q 24 4Q 24 .8% DOLLARS IN THOUSANDS 1Q24 1Q24 2Q25 Net Income ($) 2Q25 3Q25 3Q25 4Q 25 4Q 25 1Q25 Mortgage Warehouse LOC ($) Loans Held for Investm
Slide 9: Delivering Stockholder Value
DELIVERING STOCKHOLDER VALUE UNAUDITED Total Assets ($) Core Deposits(6) ($) DOLLARS IN MILLIONS DOLLARS IN MILLIONS 10,188 % 13.2 8,351 6.2% R G R1 CAG CA 3,011 148 1997 2002 2007 2012 2017 2022 1Q26 2017 2018 2019 2020 2021 2022 2023 2024 2025 1Q26 Total Stockholder Return(7) ($) Tangible Book Val
Slide 10: Texas Growth Story
TEXAS GROWTH STORY UNAUDITED Texas Franchise Highlights Loan Trends by Texas Market(2)(9) ($) DOLLARS IN MILLIONS • 31 locations throughout 11 counties 5.8% 1 including the 4th and 5th largest MSAs CAGR 5,276 5,250 5,196 5,035 in the United States.(8) 4,747 • Texas franchise represents 71% of LHFI(2
Slide 11: Loan Growth
LOAN GROWTH UNAUDITED Loans Held for Investment Growth excluding Loans Held for Investment Change ($) Mortgage Warehouse Lines of Credit ($) DOLLARS IN MILLIONS DOLLARS IN MILLIONS 7,331 7,225 7,142 7,342 6,805 7,342 193 7,142 Total Loans Held for 6,000 1,212 Investment 134 5,593 4,000 2,000 184 Com
Slide 12: Well Diversified Loan Portfolio
(12) WELL DIVERSIFIED LOAN PORTFOLIO UNAUDITED Loan Composition at March 31, 2026: $7,864 million C&I, Owner-Occupied CRE & Mtg. Warehouse LOC: $3,695 million Finance & Insurance: 8% Single-Family Residential Real Estate Real Estate & Construction: 7% & Consumer 19% Mortgage Warehouse LOC: 7% Commer
Slide 13: Credit Quality
CREDIT QUALITY UNAUDITED Asset Quality Trends (%) 1.18 1.93 1.97 1.10 1.14 1.12 1.84 1.07 1.71 1.69 0.56 1.65 0.19 0.22 0.15 0.12 0.17 0.15 0.16 0.10 1Q25 2Q25 3Q25 4Q25 1Q26 1Q25 2Q25 3Q25 4Q25 1Q26 Nonperforming Assets / Loans & OREO Classified Assets / Loans & OREO Past due 30 to 89 days and stil
Slide 14: Selected Sectors - Key Portfolio Metrics
SELECTED SECTORS - KEY PORTFOLIO METRICS DOLLARS IN THOUSANDS, UNAUDITED Multifamily Non-Owner-Occupied Residential March 31, 2026 Commercial Real Hotel Retail Shopping Real Estate + Estate Office Under Construction Outstanding Loan $ 380,027 $ 639,365 $ 103,198 $ 651,993 Balance % of Loans Held for
Slide 15: Investment Securities
INVESTMENT SECURITIES UNAUDITED Investment Securities Average Balance and Yield DOLLARS IN MILLIONS • Total securities portfolio weighted average effective 1,163 1,156 1,201 1,201 duration was 4.14 years at March 31, 2026, compared 1,128 to 4.15 years at December 31, 2025. 3.62 3.46 3.46 • Expected
Slide 16: Loans & Securities - Repricing or Maturity
LOANS & SECURITIES- REPRICING OR MATURITY UNAUDITED Total Loans at March 31, 2026 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(15) Rate(15) Commercial and Industrial $
Slide 17: Deposit Detail
DEPOSIT DETAIL UNAUDITED Linked Quarter Deposit Change ($) Deposit Composition at March 31, 2026: $8,756 million DOLLARS IN MILLIONS, PERIOD END BALANCES Commercial: 57% Public Funds: Finance & Insurance: 10% Total Deposits 449 13% Real Estate Rental & Leasing: 7% Money Market 237 Other Business Dep
Slide 18: Deposit Trends
DEPOSIT TRENDS UNAUDITED Average Deposits ($) Total Deposit Beta (%) DOLLARS IN MILLIONS 8,348 8,372 8,647 8,159 8,232 71.00 812 69.90 68.53 66.86 972 820 813 66.00 869 57.14 57.35 1,978 1,837 1,881 1,901 2,002 5.26 4.65 4.33 4.33 4.30 3.90 3.64 5,539 5,409 5,511 5,557 5,857 3.14 2.79 2.52 2.47 2.46
Slide 19: Yields and Costs
YIELDS AND COSTS UNAUDITED Yield on Loans Held for Investment (%) 7.50 7.50 7.46 7.02 6.75 6.33 6.33 6.33 6.22 6.06 4.36 4.33 4.35 4.09 3.68 1Q25 2Q25 3Q25 4Q25 1Q26 Yield on Loans Held for Investment Avg. Prime Rate 30 Day Avg. SOFR Cost of Funds (%) 3.23 3.20 3.20 2.90 2.58 2.66 2.52 2.49 2.26 2.0
Slide 20: Net Interest Income and NIM Trends
NET INTEREST INCOME AND NIM TRENDS DOLLARS IN THOUSANDS, UNAUDITED Net Interest Income & NIM NIM-FTE Changes - 1Q26 (%) 83,704 86,694 87,244 82,136 78,459 10,478 10,262 4.00 9,117 10,290 9,044 7,723 6,389 0.02 5,047 8,217 7,393 0.05 68,493 70,593 0.07 64,368 64,802 66,021 (0.01) +27 bps 3.73 (0.03)
Slide 21: Net Revenue Distribution
NET REVENUE DISTRIBUTION DOLLARS IN THOUSANDS, UNAUDITED Net Interest Income + Noninterest Income ($)(3) 100,783 103,730 103,601 94,746 98,110 83.5% 83.7% 83.1% 84.3% 84.2% 1Q25 2Q25 3Q25 4Q25 1Q26 Net Interest Income Noninterest Income Major Components of Noninterest Income ($) Components of Other
Slide 22: Noninterest Expense Analysis
NONINTEREST EXPENSE ANALYSIS DOLLARS IN THOUSANDS, UNAUDITED Major Components of Noninterest Expense ($) Operating Leverage (%) 53,965 54,004 53,853 53,235 52,390 1,761 1,768 1,485 1,583 1,499 2.59 2.61 2,972 3,337 2,937 2.57 2.56 2.54 2.56 3,184 3,243 2.53 2.49 2,957 3,432 4,050 3,526 3,672 83.85 7
Slide 23: Liquidity
LIQUIDITY UNAUDITED Cash and Cash Equivalents + Liquid Securities ($) Liquidity Sources 1Q26 DOLLARS IN MILLIONS DOLLARS IN THOUSANDS 1,265 FHLB Borrowing Availability $ 2,398,777 1,079 1,099 638 1,094 593 765 428 Unpledged AFS Securities 458,191 814 390 Fed Funds Lines and Fed Discount Window 1,478
Slide 24: Capital
CAPITAL UNAUDITED Tier 1 Capital to Average Assets (Leverage Ratio)(19) (%) Uses of Regulatory Capital ($) 11.5 11.7 11.7 11.9 11.7 DOLLARS IN THOUSANDS, EXCEPT PER SHARE AMOUNTS 11.2 11.2 11.0 10.9 10.9 79,855 Well Capitalized 75,121 5.0% 1Q25 2Q25 3Q25 4Q25 1Q26 Company Level Origin Bank Level Com
Slide 25: Notable Items
NOTABLE ITEMS DOLLARS IN THOUSANDS, EXCEPT PER SHARE AMOUNTS, UNAUDITED QTD 1Q26 4Q25 $ Impact EPS Impact (21) $ Impact EPS Impact (21) Notable interest expense items: OID amortization - subordinated debenture redemption $ — $ — $ (783) $ (0.02) Notable provision expense items: Provision expense on
Slide 26: Reconciliation of Non-GAAP Financial Measures
RECONCILIATION OF NON-GAAP FINANCIAL MEASURES DOLLARS IN THOUSANDS, UNAUDITED 1Q26 4Q25 Calculation of PTPP earnings: Net income $ 27,693 $ 29,516 Provision for credit losses 4,965 3,158 Income tax expense 7,584 7,933 PTPP earnings (non-GAAP) $ 40,242 $ 40,607 Calculation of PTPP ROAA: PTPP earnings
Slide 27: Reconciliation of Non-GAAP Financial Measures
RECONCILIATION OF NON-GAAP FINANCIAL MEASURES DOLLARS IN THOUSANDS, UNAUDITED 1Q26 4Q25 Calculation of ROATCE: Net income $ 27,693 $ 29,516 Divided by number of days in the quarter 90 92 Multiplied by the number of days in the year 365 365 Annualized net income $ 112,311 $ 117,102 Total average stoc
Slide 28: 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: 1Q26 4Q25 3Q25 2Q25 1Q25 4Q24 3Q24 2Q24 Total common stockholders' equity $ 1,260,275 $ 1,246,685 $ 1,214,756 $ 1,205,769 $ 1,180,177 $ 1,145,2
Slide 29: Glossary of Terms
GLOSSARY OF TERMS AFS - Available for sale MSA - Metropolitan Statistical Area ALCL - Allowance for loan credit losses NIE - Noninterest expense CAGR - Compound annual growth rate NIM - Net interest margin C&I - Commercial & industrial loans NIM - FTE - Net interest margin, fully tax equivalent CMO
Slide 30: Presentation Notes
PRESENTATION NOTES (1) Excludes Treasury/wholesale deposits of $153.7 million at March 31, 2026. (2) Excludes mortgage warehouse LOC. (3) Excludes notable items. (4) Data obtained from Office of the Texas Governor (gov.texas.gov), Bureau of Labor Statistics (bls.gov), Baldwin County Economic Develop