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American State Bank

Sioux Center, IA · Cert 228 · Ambank Co. Inc.

State charter, non-member · FDIC · 1 affiliate bank · 11 branches (13 in holding)

Q2 2026

$1.4BAssets
$1.4BLoans
$1.2BDeposits
$159.2MEquity
Loan mix
74%RE $750.2M25%C&I $252.6M2%Consumer $15.5MQ2 2025Q2 2026
Deposit mix
89%Interest-bearing $1.1B11%Noninterest $0.1BQ2 2025Q2 2026

NIM

5.25%Q2 ’245.46%Q2 ’255.71%Q2 ’26+13%+20%

Non-interest income vs. expense

1.73%Q2 ’241.73%Q2 ’251.87%Q2 ’26+0%-2%

Market Position · Sioux Falls, SD-MN · 2026 SOD (annual) · 0.0% share · #33 of 42 inst. · $0.1B of $1127.8B

37.9% Sioux
0.0% Lincoln
6.9% Lyon

Executive Summary

  • Earnings: ROA of 1.22%, up 25 bps year over year; NIM at 3.38%.
  • Asset quality: problem loans at 0.65% of loans (-115 bps YoY), with net charge-offs at 0.06%.
  • Capital: tier 1 leverage ratio of 10.81%, up 73 bps from a year ago.
  • Funding: loans stand at 111.20% of deposits as of Q2 2026.

Financial Results

Return on Assets (YTD, annualized)

1.22%+25 bps YoY

Net Interest Margin (YTD, annualized)

3.38%+55 bps YoY

Efficiency Ratio (YTD, annualized)

45.11%-532 bps YoY

Tier 1 Leverage Ratio

10.81%+73 bps YoY

Year to date, annualized, through each quarter.

MetricQ2 2025Q3 2025Q4 2025Q1 2026Q2 2026YoY ΔTrend
Earnings
Return on Assets0.97%0.99%0.99%1.12%1.22%+25 bps
Return on Equity9.61%9.70%9.71%10.54%11.42%+181 bps
Net Interest Margin2.83%2.89%2.88%3.20%3.38%+55 bps
Efficiency Ratio50.43%49.17%47.83%46.00%45.11%-532 bps
Non-Interest Burden1.12%1.10%1.05%1.06%1.10%-2 bps
Growth
Asset Growth (YoY)3.12%1.92%1.90%0.27%-2.72%-584 bps
Loan Growth (YoY)4.52%4.90%2.98%1.84%-1.21%-573 bps
Deposit Growth (YoY)10.24%1.69%4.67%3.87%-1.85%-1,209 bps
Asset Quality
Nonperforming Loans / Loans1.80%1.47%0.90%0.95%0.65%-115 bps
Net Charge-Offs / Loans0.00%0.45%0.64%0.07%0.06%+6 bps
Allowance / Loans1.22%1.08%1.00%1.17%1.35%+13 bps
Allowance Coverage of NPLs0.7x0.7x1.1x1.2x2.1x+1.4x
Capital
Tier 1 Leverage Ratio10.08%10.13%10.24%10.63%10.81%+73 bps
Total Risk-Based Capital12.21%12.29%12.67%12.96%13.03%+82 bps
Equity / Assets10.10%10.32%10.41%10.76%11.00%+90 bps
Liquidity & Funding
Loans / Deposits110.48%112.89%104.25%109.38%111.20%+72 bps
Liquid Assets / Assets2.15%2.62%4.84%2.06%1.80%-35 bps
CRE / Total Capitaln/a253%247%232%n/an/a