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First Security Bank

Byron, MN · Cert 9728 · Olmsted Bcorp Inc.

State charter, non-member · FDIC · 1 branch

Q2 2026

$161.7MAssets
$121.6MLoans
$121.6MDeposits
$11.4MEquity
Loan mix
90%RE $107.1M7%C&I $8.5M3%Consumer $3.4MQ3 2024Q2 2026
Deposit mix
77%Interest-bearing $94.1M23%Noninterest $27.5MQ3 2024Q2 2026

Return on Assets (quarter, annualized)

1.38%+37 bps YoY

Net Interest Margin (quarter, annualized)

3.52%+34 bps YoY

Efficiency Ratio (quarter, annualized)

51.67%-474 bps YoY

Tier 1 Leverage Ratio

7.93%+16 bps YoY

NIM

5.88%Q2 ’246.00%Q2 ’255.96%Q2 ’26+3%+11%

Non-interest income vs. expense

2.01%Q2 ’241.91%Q2 ’251.96%Q2 ’26-5%-1%

Discrete quarter, annualized.

MetricQ3 2024Q4 2024Q1 2025Q2 2025Q3 2025Q4 2025Q1 2026Q2 2026YoY ΔTrend
Return on Assets0.79%0.81%0.92%1.01%1.02%1.02%0.26%1.38%+37 bps
Net Interest Margin3.07%2.94%3.23%3.18%3.31%3.36%3.19%3.52%+34 bps
Non-Interest Burden1.62%1.63%1.83%1.71%1.80%1.87%1.86%1.68%-2 bps
Loan Growth (YoY)18.93%13.81%12.01%17.10%8.92%6.10%8.17%2.78%-1,432 bps
Nonperforming Loans / Loans0.44%0.53%0.13%0.24%0.16%0.16%2.64%2.63%+239 bps
Allowance / Loans1.08%1.07%1.08%1.08%1.11%1.12%1.40%1.37%+29 bps
Tier 1 Leverage Ratio7.54%7.63%7.75%7.77%7.89%7.93%7.69%7.93%+16 bps
Equity / Assets6.52%6.30%6.74%6.67%7.22%7.23%6.86%7.03%+37 bps
Liquid Assets / Assets3.37%3.75%3.28%4.21%3.04%2.80%3.33%3.58%-64 bps