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Bank Five Nine

Oconomowoc, WI · Cert 12517 · Oconomowoc Bancshares Inc.

State charter, non-member · FDIC · 15 branches

Q2 2026

$2.5BAssets
$2.1BLoans
$2.1BDeposits
$242.8MEquity
Loan mix
96%RE $1.9B4%C&I $0.1B0%Consumer $0.0BQ3 2024Q2 2026
Deposit mix
89%Interest-bearing $1.9B11%Noninterest $0.2BQ3 2024Q2 2026

Return on Assets (YTD, annualized)

1.32%+15 bps YoY

Net Interest Margin (YTD, annualized)

3.35%+52 bps YoY

Efficiency Ratio (YTD, annualized)

58.63%-461 bps YoY

Tier 1 Leverage Ratio

9.77%+144 bps YoY

NIM

5.67%Q2 ’246.01%Q2 ’256.23%Q2 ’26+2%+18%

Non-interest income vs. expense

2.84%Q2 ’242.40%Q2 ’252.50%Q2 ’26-29%+11%

Year to date, annualized, through each quarter.

MetricQ3 2024Q4 2024Q1 2025Q2 2025Q3 2025Q4 2025Q1 2026Q2 2026YoY ΔTrend
Return on Assets0.75%0.83%1.22%1.17%1.06%0.96%1.48%1.32%+15 bps
Net Interest Margin2.78%2.74%2.83%2.83%2.82%2.87%3.17%3.35%+52 bps
Non-Interest Burden1.96%1.87%1.35%1.43%1.56%1.65%1.34%1.59%+16 bps
Loan Growth (YoY)18.34%17.18%14.48%9.88%9.82%8.01%7.29%7.75%-213 bps
Nonperforming Loans / Loans0.63%0.79%0.63%0.59%0.72%0.89%1.63%1.91%+133 bps
Allowance / Loans0.50%0.48%0.49%0.50%0.51%0.54%0.58%0.65%+15 bps
Tier 1 Leverage Ratio8.89%8.66%8.48%8.33%9.14%9.09%9.41%9.77%+144 bps
Equity / Assets8.12%7.76%7.76%7.80%8.60%8.65%9.08%9.59%+179 bps
Liquid Assets / Assets1.11%2.31%6.01%8.51%9.56%5.19%2.46%0.48%-803 bps