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American State Bank

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

State charter, non-member · FDIC · 11 branches

Q2 2026

Board Package

Performance Trends and Peer Comparison

Part 1Performance Trends, own institution only2
Part 2Peer Comparison, banks $1B-$10B in assets operating regionally3

Basis

Quarter: Q2 2026, the quarter ended June 30, 2026, on both parts.

Income statement: year to date as filed, annualized, on both parts.

Balance sheet: as filed at quarter end.

Peer group

Banks $1B-$10B in assets operating regionally (n=174). Each measure ranks only the institutions that reported it, so n varies by measure.

Peer groups below the disclosure floor are suppressed.

Peer standing

Capital

45

Q2 2024Q2 2026peer median (50)

Asset Quality

32

Q2 2024Q2 2026peer median (50)

Profitability

42

Q2 2024Q2 2026peer median (50)

Liquidity

0

Q2 2024Q2 2026peer median

Efficiency

91

Q2 2024Q2 2026peer median (50)

Growth

No peer data yet

Capital, Asset Quality, Profitability, Efficiency: higher is always a stronger peer standing (▲ better, ▼ worse). Liquidity, Growth: the score reflects closeness to the peer median -- 100 is sitting exactly at the median, falling the same way whether the bank runs above or below it.

Source: FFIEC Call Report (031/041/051), as filed. Dollar figures derived from reported amounts in thousands. Ratios computed by CallReports.ai using published regulatory formulas.

CallReports · callreports.ai · Board PackageGenerated 2026-10-11

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

Source: FFIEC Call Report (031/041/051), as filed. Dollar figures derived from reported amounts in thousands. Ratios computed by CallReports.ai using published regulatory formulas. Income-statement figures are year-to-date as filed, annualized (the UBPR convention). Each quarter includes the ones before it.

CallReports · callreports.ai· Performance TrendsGenerated 2026-10-11

American State Bank

Sioux Center, IA · Cert 228 · Peer group: banks $1B-$10B in assets operating regionally (n=174) · 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

Executive Summary

  • Strongest standing: efficiency ratio outperforms 91% of banks $1B-$10B in assets operating regionally (rank 16 of 174).
  • Widest gap: net charge-offs / loans trails 84% of banks $1B-$10B in assets operating regionally (rank 147 of 174).
  • Overall: at or above the peer median on 2 of 9 directional measures.

Return on Assets

1.25%

Rank 90 of 174

Net Interest Margin

3.38%

Rank 111 of 174

Efficiency Ratio

45.11%

Rank 16 of 174

Equity / Assets

11.00%

Rank 66 of 174

Non-interest income vs. expense

$11.2M$27.3MINCOMEEXPENSE
Unfavorable gap of $16.0M · efficiency ratio beats 91% of banks $1B-$10B in assets operating regionally
Bank 45.11%Peer median 59.2%Q3 2024Q2 2026Shaded: peer 25th to 75th percentile
MetricYour BankPeer 25thPeer MedianPeer 75thStandingRankPeer Position
Earnings
Return on Assets1.25%0.93%1.27%1.52%Beats 48%90 / 174
Return on Equity11.32%9.26%11.89%14.41%Beats 43%99 / 174
Net Interest Margin3.38%3.22%3.56%3.91%Beats 36%111 / 174
Efficiency Ratio45.11%51.59%59.21%67.02%Beats 91%16 / 174
Asset Quality
Nonperforming Loans / Loans0.65%0.29%0.60%1.18%Beats 47%94 / 174
Net Charge-Offs / Loans0.13%0.01%0.03%0.10%Beats 16%147 / 174
Capital
Tier 1 Capital Ratio11.78%11.19%12.82%14.11%Beats 34%114 / 174
Total Risk-Based Capital Ratio13.03%11.81%13.70%15.33%Beats 39%106 / 174
Equity / Assets11.00%9.15%10.31%11.72%Beats 62%66 / 174
Liquidity & Funding
Loans / Deposits111.20%80.93%90.31%97.12%98th pctl3 / 174
Loans / Assets93.56%69.01%75.52%80.85%99th pctl1 / 174
Brokered Deposits / Depositsn/aNot reported for this institution