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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 $1.6MQ2 2025Q2 2026
Deposit mix
71%Interest-bearing $80.7M29%Noninterest $33.4MQ2 2025Q2 2026

NIM

4.91%Q2 ’245.08%Q2 ’254.56%Q2 ’26+2%+2%

Non-interest income vs. expense

2.52%Q2 ’242.38%Q2 ’252.42%Q2 ’26-5%-1%

Financial Results

Return on Assets (quarter, annualized)

1.11%-10 bps YoY

Net Interest Margin (quarter, annualized)

3.53%+8 bps YoY

Efficiency Ratio (quarter, annualized)

58.63%-94 bps YoY

Tier 1 Leverage Ratio

17.72%+292 bps YoY

Discrete quarter, annualized.

MetricQ2 2025Q3 2025Q4 2025Q1 2026Q2 2026YoY ΔTrend
Return on Assets1.20%0.85%1.19%1.16%1.11%-10 bps
Net Interest Margin3.45%3.12%3.46%3.42%3.53%+8 bps
Non-Interest Burden1.84%1.96%2.29%2.20%1.83%-1 bps
Loan Growth (YoY)-1.44%-5.92%-14.52%-20.80%-16.68%-1,524 bps
Nonperforming Loans / Loans5.32%4.47%4.70%5.17%4.75%-57 bps
Allowance / Loans1.01%1.04%1.15%1.30%1.34%+32 bps
Tier 1 Leverage Ratio14.80%15.69%16.90%17.77%17.72%+292 bps
Equity / Assets12.68%13.94%15.53%15.47%15.88%+319 bps
Liquid Assets / Assets1.13%1.01%1.08%1.08%0.91%-22 bps