Oostburg State Bank
Oostburg, WI FDIC 10380 $100M-$500M
Quarter Ended
Q2'26
Data as of June 30, 2026
Quarterly Snapshot
Metric Q2'26 YoY Δ Q2'25
Profitability
Return on Assets (%) ▲ 1.39% +0.29 1.10%
Return on Equity (%) ▲ 13.11% +2.48 10.63%
Net Interest Margin (%) ▲ 4.03% +0.47 3.56%
Efficiency Ratio (%) ▲ 59.80% -6.41 66.20%
Pre-Provision Profit ($M) ▲ $2 +0.83 $1
Cost of Funds (%) ▲ 1.54% -0.25 1.78%
Balance Sheet
Total Assets ($M) ▲ $440 +49.73 $390
Gross Loans ($M) ▲ $321 +34.81 $286
Loan Growth YoY (%) ▼ 81.62% -0.39 82.01%
Total Deposits ($M) ▲ $388 +44.55 $344
Shareholders Equity ($M) ▲ $48 +5.66 $42
Tang. Book Value ($M) ▲ $47 +5.68 $41
TBV excl. AOCI ($M)** ▲ $51 +6.15 $45
Loan / Deposit Ratio (%) ▼ 81.62% -0.39 82.01%
Credit Quality
NPA / Total Assets (%) ▲ 0.10% -0.20 0.30%
Allowance / Loans (%) — 1.23% -0.22% 1.45%
Net Charge-Off Ratio (%) ▲ 0.13% -0.28 0.41%
Capital
Tier 1 Capital Ratio (%) ▼ 13.17% -0.50 13.68%
** TBV excl. AOCI adds back unrealised losses on AFS securities to show capital excluding mark-to-market interest rate impact.
8-Quarter Trend
Metric Q3'24 Q4'24 Q1'25 Q2'25 Q3'25 Q4'25 Q1'26 Q2'26
▁▁▁▃▄▅▇█ Net Interest Margin (%) 3.40% 3.42% 3.46% 3.56% 3.67% 3.74% 3.92% 4.03%
▃▁▃▂▄▃▅█ Return on Assets (%) 1.12% 1.02% 1.13% 1.10% 1.19% 1.12% 1.21% 1.39%
▄█▆█▅█▄▁ Efficiency Ratio (%) 63.2% 66.8% 64.8% 66.2% 64.0% 67.0% 62.7% 59.8%
█▇▇▆▅▂▂▁ Cost of Funds (%) 1.88% 1.82% 1.80% 1.78% 1.72% 1.61% 1.58% 1.54%
▇▅▄█▁▂▅▁ NPA / Assets (%) 0.25% 0.20% 0.20% 0.30% 0.11% 0.14% 0.20% 0.10%
▇▅▅█▁▂▅▁ Net Charge-Off Ratio (%) 0.35% 0.29% 0.27% 0.41% 0.16% 0.20% 0.28% 0.13%
▂▁▂▃▆▆▆█ Tang. Book Value ($M) $40 $38 $40 $41 $44 $44 $45 $47
▁▂▂▃▄▆██ Gross Loans ($M) $270 $278 $280 $286 $292 $303 $316 $321
▁▃▃▃▅███ Total Deposits ($M) $327 $350 $346 $344 $362 $383 $381 $388
Portfolio Composition — Q2'26
Loan Mix%
Real Estate80%
C&I / Commercial16%
Consumer1%
Other3%
Deposit Mix%
Nonint.-Bearing Demand25%
Interest-Bearing (core)62%
Brokered / Other13%
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