First Busey Results Presentation Deck

2Q23 Earnings Investor Presentation First Busey Corporation | Ticker: BUSE High Quality Loan Portfolio - CRE Investor Owned CRE Loans by Property Type $ in thousands Property Type Apartments Retail Industrial/Warehouse Traditional Office Student Housing Hotel Senior Housing Medical Office LAD 1 Specialty Nursing Homes Restaurant Health Care 1-4 Family Continuing Care Facilities Other Grand Total ■ ■ ■ 6/30/23 Balances ■ $623,273 518,935 348,199 288,196 268,816 193,049 172,820 169,969 151,714 104,626 27,652 23,700 20,000 19,938 13,947 775 % of Total Loans 8.0 % 6.6 % 4.5 % 3.7 % 3.4 % 2.5 % 2.2 % 2.2 % 1.9 % 1.3 % 0.4 % 0.3 % 0.3 % 0.3 % 0.2 % 0.0 % 37.7 % 1 Investor owned CRE includes C&D, Multifamily and non-owner occupied CRE 6/30/23 Classified Balances $458 5,934 526 778 3,897 2,473 $2,945,609 Investor Owned CRE Portfolio ¹ (CRE-I) Only 0.6% of total CRE-I loans are classified Payoff of $11 million of classified nursing home balances during 2Q23 Low levels of concentrated exposure - continue to actively monitor CRE-I concentrations vs. internally-defined appetite thresholds 100/300 Test: 38% C&D | 213% CRE-I Apartments & Student Housing represents 30% of CRE-I 60% WAvg LTV & 58% long-term customers (4+ years) 141 3,023 79 0 $17,309 Owner Occupied CRE Loans by Property Type $ in thousands Property Type Industrial/Warehouse Specialty Traditional Office Medical Office Retail Restaurant Nursing Homes Health Care Hotel Apartments Other Student Housing Grand Total ■ ■ ■ 6/30/23 Balances $367,029 234,908 114,842 106,658 59,516 45,178 1,416 843 606 395 258 101 $931,750 Owned Occupied (OOCRE) Portfolio Only 1.0% of total OOCRE loans are classified % of Total Loans 4.7 % 3.0 % 1.5 % 1.4 % 0.8 % 0.6 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 11.9 % 6/30/23 Classified Balances $5,609 1,455 453 0 1,570 51 0 $9,138 OOCRE properties are underwritten to operating cash flow and guidance requires a 1.20x FCCR OOCRE have lower risk profiles as they are underwritten to the primary occupying business and are not as exposed to lease turnover risks Industrial/Warehouse properties are the largest OOCRE segment, comprising 39% of the OOCRE portfolio while only 4.7% of total loans 11 B

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