A NASDAQ Traded Company - Symbol HBNC June 13, 2019

This presentation may contain forward-looking statements regarding the financial performance, business prospects, growth and operating strategies of Horizon Bancorp, Inc. and its affiliates (collectively, “Horizon”). For these statements, Horizon claims the protection of the safe harbor for forward-looking statements contained in the Private Securities Litigation Reform Act of 1995. Statements in the presentation materials should be considered in conjunction with the other information available about Horizon, including the information in the filings we make with the Securities and Exchange Commission. Forward-looking statements provide current expectations or forecasts of future events and are not guarantees of future performance. The forward-looking statements are based on management’s expectations and are subject to a number of risks and uncertainties. We have tried, wherever possible, to identify such statements by using words such as “anticipate,” “estimate,” “project,” “intend,” “plan,” “believe,” “will” and similar expressions in connection with any discussion of future operating or financial performance.Although management believes that the expectations reflected in such forward-looking statements are reasonable, actual results may differ materially from those expressed or implied in such statements. Risks and uncertainties that could cause actual results to differ materially include risk factors relating to the banking industry and the other factors detailed from time to time in Horizon’s reports filed with the Securities and Exchange Commission, including those described in Horizon’s Annual Report on Form 10-K. Undue reliance should not be placed on the forward-looking statements, which speak only as of the date hereof. Horizon does not undertake, and specifically disclaims any obligation, to publicly release the result of any revisions that may be made to update any forward-looking statement to reflect the events or circumstances after the date on which the forward-looking statement is made, or reflect the occurrence of unanticipated events, except to the extent required by law. Forward-Looking Statements

Craig M. DwightChairman & Chief Executive OfficerMark E. SecorExecutive Vice President & Chief Financial Officer *

Dynamic MidwestMarket *

Indiana and Michigan… The Right Side of Chicago Chicago-High Taxes & Cost of Living-Low Credit Rating-Unfriendly Business Environment

IndianaRanked 5th Best State for Business by Chief Executive Magazine in 2019 and 2018Ranked 2nd in Infrastructure, 4th in Business Friendliness, 5th in Cost of Doing Business, 10th in Cost of Living by CNBC’s Ranking of America’s Top States for Business 2018Budget Surplus and Reserve Fund, AAA Bond Rating, Corporate Tax Cuts scheduled through 2022MichiganRanked 4th in Cost of Living by CNBC’s Ranking of America’s Top States for Business 2018Dynamic Growth Markets in Western Michigan * Indiana and MichiganGreat States to Conduct Business

BranchesLoan Production Office * An Emerging Regional Bank Locations – 76Counties – 31 Michigan Indiana Ohio Illinois

ProvenPerformance *

($’s in millions, except per share data)Category December2008 December2018 March2019 Assets $1,387 $4,247 $5,052 Loans $888 $3,014 $3,623 Deposits $952 $3,139 $3,888 Trust Assets Under Management $337 $2,458 $2,899 Market Capitalization $41 $606 $725 Stock Price $2.47 $15.78 $16.23 Average Daily Trading Volume (1) #1,766 #78,413 #91,964 * Growth Creates Shareholder Value Footnote Index included in Appendix

($’s in Millions) 2013 2018 CAGR OrganicCAGR Commercial (“C&I”) $102 $394 31% 14% Commercial Real Estate (“CRE”) 402 1,328 27% 14% Res. Real Estate (“Res. RE”) 287 743 21% 4% Consumer (“I/L”) 280 549 14% 12% Total $1,071 $3,014 23% 11% * High Quality, Well Diversified Loan Portfolio 2013 2018 (2) (2) Footnote Index included in Appendix

Managing Commercial Real Estate Concentration Risk December 31, 2017 * Footnote Index included in Appendix

($’s in Millions) 2013Balance 2018Balance 2013Cost 2018Cost Non-interest (“NIB”) $231 $642 0.00% 0.00% Interest (“IB Trans.”) 780 1,684 0.14% 0.37% Time Deposits (“CDs”) 280 813 1.53% 1.57% Total $1,291 $3,139 0.44% 0.60% * Strong Core Deposit Mix 2013 2018

($’s in Millions) 2013 2018 CAGR 2018 Cost Non-interest (“NIB”) $231 $642 23% 0.00% Interest (“IB Trans.”) 780 1,684 17% 0.37% Time Deposits (“CDs”) 280 813 24% 1.57% Borrowings (“Debt”) 289 588 15% 2.53% Total $1,579 $3,727 19% 0.88% * Low Cost Funding Mix 2013 2018

* Stable Net Interest Margin Footnote Index included in Appendix

Historical EarningsDemonstrates Ability to Execute *

Retail BankingBusiness BankingMortgage BankingWealth Management Complementary Revenue Streams that are Counter-Cyclical to Varying Economic Cycles * Focused & Consistent Revenue Streams

*7 Robust Earnings Growth Footnote Index included in Appendix (3) (3) ($’s in millions)

18 Record First QuarterCore Earnings Footnote Index included in Appendix ($’s in millions) (4) (4)

* Record First QuarterCore Earnings Footnote Index included in Appendix ($’s in millions) (4) (4)

18 Record First QuarterCore Earnings Footnote Index included in Appendix EPS Growth 12% EPS Growth 32% ($’s in millions) (4) (4)

* Record First QuarterCore Earnings Footnote Index included in Appendix EPS Growth 12% EPS Growth 32% ($’s in millions) (4) (4)

* Low Dependence on Mortgage Revenue (5) Footnote Index included in Appendix ($’s in millions)

* Mass & Scale Resultsin Efficiency Gains Footnote Index included in Appendix (6)

* Building Shareholder Value after Acquisitions Footnote Index included in Appendix

* Increased Liquidity & DividendsAligned with Earnings Growth Avg. Daily Volume Annual Dividends Footnote Index included in Appendix

Salin Bancshares, Inc.Adds Attractive Deposit & GrowthMarkets *

* Salin Bancshares, Inc.Overview Branch Networks Salin BranchesHorizon Branches Transaction Highlights StrategicComplements Horizon’s existing markets in central and northern IndianaEnhances Horizon’s presence in attractive markets of Columbus, Fort Wayne, Lafayette and IndianapolisAttractive core deposit baseFinancialEPS accretion of ~ 7.2% in 2020 (first full year of fully phased-in cost saves)Minimal tangible book value earned-back in ~3.1 years (crossover method)Internal rate of return 25%+Transaction PricingPrice/Tangible Book Value ~ 168%Price/LTM Earnings ~ 37.1xPrice/2019 Earnings + Cost Savings ~8.7xCore Deposit Premium ~ 7.6%Transaction AssumptionsCost savings 45% fully phased-in March 26, 2019 Financial Snapshot $927.8 million of total assets$741.2 million of total deposits$583.7 million of total loans Footnote Index included in Appendix

Building Future Shareholder Value * GrowthOperational LeverageEnterprise Risk Management

Growth MarketsFuture Markets * GrandRapids AnnArbor NWOhio FortWayne Lafayette Kalamazoo SouthBend Warsaw Indianapolis NWIndiana Market Opportunities Abound Midland Troy CentralIllinois PeopleMarket ShareMergers & Acquisitions

Considerable Opportunitiesto Gain Market Share * Footnote Index included in Appendix

Proven Ability to Capitalize * Footnote Index included in Appendix 11OrganicExpans. St. Joseph,S. Bend,Elkhart,Merrillville Kalamazoo,Indianapolis Carmel Ft. Wayne,Grand Rapids Columbus, Noblesville,Holland 14M&A Anchor Mtg.,Alliance American Trust,Heartland 1st Mtg.,Summit,Peoples Farmers,LaPorte,CNB Bargersville,Lafayette,Wolverine Salin (10)

* Number of Banks Headquartered in Indiana and Michigan (11) Merger OpportunitiesContinue to Flourish On average, approximately 5% of the Banks sold each year.IN & MI 9 + IL 8 + OH 5 ~ 22 Footnote Index included in Appendix 9 24 13 9 10 9 14 13 17 8 9

* Operational Leverage -Mass & Scale Works ($’s in thousands) ($’s in thousands) Avg. Assets $639 $1,118 $1,394 $1,950 $4,063 $4,307 7x 2x Footnote Index included in Appendix

Branch Rationalization as Customers Expand Use of TechnologyClosed 10 Branches in 2019 (4 – Horizon, 1 – LPO, 5 – Salin)Closed 12 Branches from 2008 to 2018Continue to Rationalize Retail LocationsLeverage Investments in TechnologyTo Enhance the Customer’s ExperienceTo Improve Internal Processes and Link SystemsData Mining * Continue to Focus on Operational Leverage

Diversified Balance SheetDiversified Revenue StreamsProven Performance - Last RecessionCentralized Operations * Sound EnterpriseRisk Management

Why Invest inHorizon Bancorp, Inc. *

* Value Investment As of March 31, 2019 HBNC SNL Peer$1.0B - $5.0B Variance Price/Tangible Book Value 168% 152% 16% Price/EPS (Last 12 Months)HBNC EPS LTM $1.33 12.1x 13.9x (1.8)x Price/EPS (Consensus Estimate 2020)HBNC 2020 EPS Consensus Est. $1.71 9.1x 10.3x (1.2)x Dividend Yield (as of May 31, 2019) 2.6% 2.0% 0.6%

HBNC 2018 YTD Eff. Ratio – 60.3% 2019 1st QTD Eff. Ratio – 59.6% * Efficiency Through Mass & Scale Banks by Total Assets Footnote Index included in Appendix

* ValueGrowthOperational LeverageProven Ability to Execute the PlanSound Enterprise Risk Management

Horizon Outperforms the Market For Total Shareholder Return(as of May 31, 2019) * Horizon Bancorp, Inc.: 5-Year Total Return Comparison Footnote Index included in Appendix

A NASDAQ Traded Company - Symbol HBNC

Appendix *

* Footnote Index Slide 9(1) Based on the daily trading volume for the years ended December 31, 2008 and 2018, and the three months ended March 31, 2019, respectively.Financial data in millions, except for stock price, as of December 31, 2008 and 2018, and March 31, 2019, respectively. Slide 10(2) Organic CAGR of 14% represents the organic CAGR for the entire commercial loan portfolio over the time period presented.Slide 11Percent of total commercial loans as of December 31, 2018.The outstanding balances of the commercial loans types presented as of December 31, 2018 are as follows ($’s in thousands):Non-owner Occupied R/E = $568,202Owner Occupied R/E = $389,027Comm. & Industrial = $342,280Lessors – 1-4 Family & Multifamily = $243,779Devel. & Spec Land = $82,478Agricultural = $51,769Lessors – Student Housing = $44,055Slide 14Core net interest margin excludes prepayment penalties on borrowings and acquisition-related purchase accounting adjustments. Core cost of funds includes average balances of non-interest bearing deposits and excludes prepayment penalties on borrowings. (See further in the Appendix for a reconciliation of these non-GAAP amounts to their GAAP counterparts.)Slide 17(3) Core net income and core diluted EPS exclude one-time merger expenses, gain on sale of securities, death benefit of bank owned life insurance, prepayment penalties on borrowings, gain on the remeasurement of equity interest in Lafayette Community Bancorp and tax reform bill impact, net of tax. (See further in the Appendix for a reconciliation of these non-GAAP amounts to their GAAP counterparts.)

* Footnote Index (cont.) Slide 18(4) Core net income and core diluted EPS exclude one-time merger expenses and gain on sale of securities, net of tax. (See further in the Appendix for a reconciliation of these non-GAAP amounts to their GAAP counterparts.)Slide 19(5) Mortgage Revenue is defined as interest and fee income from mortgage warehouse loans plus gain on sale of mortgage loans.Slide 20(6) Adjusted efficiency ratio excludes prepayment penalties on borrowings, gain on sale of securities, death benefit on bank owned life insurance and gain on the remeasurement of equity interest in Lafayette Community Bancorp. (See further in the Appendix for a reconciliation of these non-GAAP amounts to their GAAP counterparts.)Slide 21Core diluted EPS exclude one-time merger expenses, gain on sale of securities, death benefit on bank owned life insurance, prepayment penalties on borrowings, gain on the remeasurement of equity interest in Lafayette Community Bancorp and tax reform bill impact, net of tax. (See further in the Appendix for a reconciliation of these non-GAAP amounts to their GAAP counterparts.)Slide 22Annual dividend amounts adjusted for the following stock splits: December 2011 3:2, November 2012 3:2, November 2016 3:2 and June 2018 3:2.Slide 24Transaction pricing is based on Horizon Bancorp, Inc.’s closing price of $16.95 as of October 26, 2018.Slide 27(7) All Key Markets are MSAs, except for Northwest Indiana which consists of Lake and Porter Counties.(8) Deposit Market Share as of June 30, 2018.(9) Large Institutions defined as total assets greater than or equal to $10.0 billion at June 30, 2018.

* Footnote Index (cont.) Slide 28(10) Columbus location closed February 2018.Slide 29(11) Indiana and Michigan commercial banks, savings banks and savings & loan institutions as of December 31st of each respective year.At December 31, 2018, commercial banks, savings banks and savings & loan institutions totaled 438 and 183 in Illinois and Ohio, respectively. Horizon estimates eight opportunities per year in Illinois and five opportunities per year in Ohio.Slide 30Core net income excludes one-time merger expenses, gain on sale of securities and death benefit on bank owned life insurance, net of tax. (See further in the Appendix for a reconciliation of these non-GAAP amounts to their GAAP counterparts.)Slide 35Adjusted efficiency ratio excludes prepayment penalties on borrowings, gain on sale of securities, death benefit on bank owned life insurance and gain on the remeasurement of equity interest in Lafayette Community Bancorp. (See further in the Appendix for a reconciliation of these non-GAAP amounts to their GAAP counterparts.)Slide 37As of May 31, 2019. SNL U.S. Bank includes all Major Exchange Banks in SNL’s coverage universe.Slide 43-47Use of Non-GAAP Financial MeasuresCertain information set forth in the presentation materials refers to financial measures determined by methods other than in accordance with GAAP. Horizon believes these non-GAAP financial measures are helpful to investors and provide a greater understanding of our business without giving effect to purchase accounting impacts and one-time acquisition and other non-recurring costs and non-core items. These measures are not necessarily comparable to similar measures that may be presented by other companies and should not be considered in isolation or as a substitute for the related GAAP measure.

* Non-GAAP Reconciliations(Dollars in Thousands, Except per Share Data; Unaudited)