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Letter portraitLegal landscapeQuarterYTD

Security National Bank of South Dakota

Dakota Dunes, SD · Cert 34394 · Security National Corp.

National charter · OCC · 1 affiliate bank · 3 branches (13 in holding)

Q2 2026

$251.5MAssets
$172.6MLoans
$194.7MDeposits
$34.8MEquity
Loan mix
89%RE $143.0M7%C&I $10.5M4%Consumer $6.8MQ2 2025Q2 2026
Deposit mix
80%Interest-bearing $155.2M20%Noninterest $39.5MQ2 2025Q2 2026

NIM

3.51%Q2 ’244.04%Q2 ’254.43%Q2 ’26+13%+22%

Non-interest income vs. expense

2.17%Q2 ’242.27%Q2 ’252.36%Q2 ’26+21%-68%

Market Position · Sioux Falls, SD-MN · 2026 SOD (annual) · 0.0% share · #22 of 42 inst. · $0.1B of $1127.8B

11.5% Union
0.0% Lincoln
0.0% Minnehaha

Executive Summary

  • Earnings: ROA of 2.48%, up 55 bps year over year; NIM at 2.86%.
  • Asset quality: problem loans at 0.00% of loans (0 bps YoY), with net charge-offs at 0.00%.
  • Capital: tier 1 leverage ratio of 14.12%, up 37 bps from a year ago.
  • Funding: loans stand at 88.63% of deposits as of Q2 2026.

Financial Results

Return on Assets (YTD, annualized)

2.48%+55 bps YoY

Net Interest Margin (YTD, annualized)

2.86%+51 bps YoY

Efficiency Ratio (YTD, annualized)

42.78%-451 bps YoY

Tier 1 Leverage Ratio

14.12%+37 bps YoY

Year to date, annualized, through each quarter.

MetricQ2 2025Q3 2025Q4 2025Q1 2026Q2 2026YoY ΔTrend
Earnings
Return on Assets1.92%1.97%1.95%2.50%2.48%+55 bps
Return on Equity15.60%15.48%15.18%18.92%18.45%+285 bps
Net Interest Margin2.35%2.43%2.53%2.78%2.86%+51 bps
Efficiency Ratio47.28%47.25%49.30%41.48%42.78%-451 bps
Non-Interest Burden-0.17%-0.13%-0.03%-0.44%-0.29%-12 bps
Growth
Asset Growth (YoY)3.29%0.35%-3.14%0.94%5.11%+182 bps
Loan Growth (YoY)6.72%10.65%14.61%13.48%15.39%+867 bps
Deposit Growth (YoY)1.06%-1.57%-6.65%-2.24%2.65%+159 bps
Asset Quality
Nonperforming Loans / Loans0.00%0.00%0.00%0.00%0.00%0 bps
Net Charge-Offs / Loans0.00%0.00%0.00%0.01%0.00%0 bps
Allowance / Loans1.53%1.50%1.42%1.40%1.32%-20 bps
Allowance Coverage of NPLsn/an/a761.7xn/an/an/a
Capital
Tier 1 Leverage Ratio13.75%14.16%13.73%13.78%14.12%+37 bps
Total Risk-Based Capital13.75%14.16%13.73%13.78%14.12%+37 bps
Equity / Assets13.31%13.87%13.37%13.07%13.83%+52 bps
Liquidity & Funding
Loans / Deposits78.85%82.23%87.35%82.74%88.63%+978 bps
Liquid Assets / Assets3.01%3.04%2.97%5.35%2.72%-29 bps
CRE / Total Capitaln/a206%229%218%n/an/a