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Southern Illinois Bank

Johnston City, IL · Cert 35229 · Southern IL Bancshares Inc.

State charter, non-member · FDIC · 5 branches

Q2 2026

$136.5MAssets
$73.5MLoans
$114.1MDeposits
$21.7MEquity
Loan mix
82%RE $54.9M16%C&I $10.8M2%Consumer $1.6MQ3 2024Q2 2026
Deposit mix
71%Interest-bearing $80.7M29%Noninterest $33.4MQ3 2024Q2 2026

Return on Assets (YTD, annualized)

1.13%+4 bps YoY

Net Interest Margin (YTD, annualized)

3.47%+15 bps YoY

Efficiency Ratio (YTD, annualized)

63.82%+201 bps YoY

Tier 1 Leverage Ratio

17.72%+292 bps YoY

NIM

4.88%Q2 ’244.98%Q2 ’254.52%Q2 ’26-3%+5%

Non-interest income vs. expense

2.52%Q2 ’242.37%Q2 ’252.59%Q2 ’26-5%+8%

Year to date, annualized, through each quarter.

MetricQ3 2024Q4 2024Q1 2025Q2 2025Q3 2025Q4 2025Q1 2026Q2 2026YoY ΔTrend
Return on Assets1.05%1.06%0.99%1.10%1.02%1.06%1.16%1.13%+4 bps
Net Interest Margin3.39%3.25%3.21%3.32%3.36%3.53%3.42%3.47%+15 bps
Non-Interest Burden1.98%1.90%1.88%1.86%1.95%2.12%2.20%2.01%+15 bps
Loan Growth (YoY)-0.47%4.16%3.45%-1.44%-5.92%-14.52%-20.80%-16.68%-1,524 bps
Nonperforming Loans / Loans0.37%0.89%0.70%5.32%4.47%4.70%5.17%4.75%-57 bps
Allowance / Loans1.06%1.04%1.07%1.01%1.04%1.15%1.30%1.34%+32 bps
Tier 1 Leverage Ratio15.10%14.63%14.56%14.80%15.69%16.90%17.77%17.72%+292 bps
Equity / Assets12.49%11.65%11.99%12.68%13.94%15.53%15.47%15.88%+319 bps
Liquid Assets / Assets1.48%1.43%1.43%1.13%1.01%1.08%1.08%0.91%-22 bps