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Ergo Bank

Markesan, WI · Cert 10004 · FS Bancshares Inc.

State charter, non-member · FDIC · 6 branches

Q2 2026

$276.7MAssets
$224.8MLoans
$226.2MDeposits
$25.5MEquity
Loan mix
89%RE $168.5M11%C&I $20.5M1%Consumer $1.2MQ2 2025Q2 2026
Deposit mix
90%Interest-bearing $203.8M10%Noninterest $22.3MQ2 2025Q2 2026

NIM

5.60%Q2 ’245.81%Q2 ’255.78%Q2 ’26+9%+2%

Non-interest income vs. expense

2.95%Q2 ’243.14%Q2 ’253.39%Q2 ’26+7%+12%

Financial Results

Return on Assets (YTD, annualized)

0.33%-43 bps YoY

Net Interest Margin (YTD, annualized)

3.88%+6 bps YoY

Efficiency Ratio (YTD, annualized)

81.45%+655 bps YoY

Tier 1 Leverage Ratio

8.42%-30 bps YoY

Year to date, annualized, through each quarter.

MetricQ2 2025Q3 2025Q4 2025Q1 2026Q2 2026YoY ΔTrend
Return on Assets0.76%0.68%0.64%-0.17%0.33%-43 bps
Net Interest Margin3.82%3.75%3.86%3.94%3.88%+6 bps
Non-Interest Burden2.79%2.85%2.85%3.39%3.12%+33 bps
Loan Growth (YoY)1.84%-0.93%5.74%8.79%13.55%+1,171 bps
Nonperforming Loans / Loans1.83%1.89%1.69%1.74%1.74%-9 bps
Allowance / Loans0.84%0.85%0.98%1.13%1.10%+26 bps
Tier 1 Leverage Ratio8.72%9.07%8.93%8.62%8.42%-30 bps
Equity / Assets9.78%10.08%9.92%9.63%9.20%-57 bps
Liquid Assets / Assets0.19%0.14%0.18%0.14%0.25%+6 bps