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Security First Bank of North Dakota

New Salem, ND · Cert 11519 · Oliver Bcorp Inc.

State charter, non-member · FDIC · 5 branches

Q2 2026

$293.2MAssets
$232.0MLoans
$246.8MDeposits
$37.8MEquity
Loan mix
85%RE $142.1M12%C&I $20.6M2%Consumer $3.5MQ2 2025Q2 2026
Deposit mix
80%Interest-bearing $198.7M20%Noninterest $48.2MQ2 2025Q2 2026

NIM

5.60%Q2 ’245.79%Q2 ’255.54%Q2 ’26+8%0%

Non-interest income vs. expense

2.97%Q2 ’242.90%Q2 ’252.93%Q2 ’26-3%+2%

Financial Results

Return on Assets (YTD, annualized)

1.46%-3 bps YoY

Net Interest Margin (YTD, annualized)

4.42%-1 bps YoY

Efficiency Ratio (YTD, annualized)

61.48%+86 bps YoY

Tier 1 Leverage Ratio

12.99%+72 bps YoY

Year to date, annualized, through each quarter.

MetricQ2 2025Q3 2025Q4 2025Q1 2026Q2 2026YoY ΔTrend
Return on Assets1.49%1.43%1.47%1.41%1.46%-3 bps
Net Interest Margin4.42%4.54%4.54%4.43%4.42%-1 bps
Non-Interest Burden2.54%2.49%2.53%2.57%2.58%+4 bps
Loan Growth (YoY)5.26%7.43%1.32%-1.34%-0.09%-534 bps
Nonperforming Loans / Loans1.94%1.78%0.99%1.00%0.00%-194 bps
Allowance / Loans2.07%2.18%1.40%1.45%1.42%-65 bps
Tier 1 Leverage Ratio12.28%12.59%12.89%12.99%12.99%+72 bps
Equity / Assets12.01%12.27%12.46%12.38%12.89%+88 bps
Liquid Assets / Assets0.13%0.14%0.10%0.08%0.09%-4 bps