Investor Presentaiton

TBV per Share¹ ($) Creating Shareholder Value Tangible Book Value Per Share¹ 6.4% TBV/Share (Ex. AOCI) GROWTH CAGR² 2018-2023Q1 $22.00 $20.00 $18.00 $17.13 $16.00 $14.00 $12.00 $17.46 $18.79 $18.62 $10.00 2018 2019 $19.89 $19.72 $19.20 $19.08 2020 2021 $22.37 $22.21 $17.74 $17.43 2022 2023Q1 TBV/Share 1 Non-GAAP financial measure; please see appendix for additional details TBV/Share (excl. AOCI) INVESTAR Abbreviation for Compound Annual Growth Rate - for the period beginning December 31, 2018 and ending March 31, 2023 HOLDING CORPORATION 2 Source: S&P Capital IQ Pro 9

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