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One American Bank

Centerville, SD · Cert 6078 · One American Financial Corp.

State charter, non-member · FDIC · 3 branches

Q2 2026

Board Package

Performance Trends and Peer Comparison

Part 1Performance Trends, own institution only2
Part 2Peer Comparison, banks under $1B in assets operating in a single state3

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 under $1B in assets operating in a single state (n=743 to 746). 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

68

Q2 2024Q2 2026peer median (50)

Asset Quality

8

Q2 2024Q2 2026peer median (50)

Profitability

0

Q2 2024Q2 2026peer median (50)

Liquidity

12

Q2 2024Q2 2026peer median

Efficiency

2

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

One American Bank

Centerville, SD · Cert 6078 · One American Financial Corp.

State charter, non-member · FDIC · 3 branches

Q2 2026

$285.2MAssets
$225.8MLoans
$231.5MDeposits
$28.3MEquity
Loan mix
89%RE $236.2M2%C&I $4.2M9%Consumer $25.2MQ3 2024Q2 2026
Deposit mix
92%Interest-bearing $213.1M8%Noninterest $18.4MQ3 2024Q2 2026

Return on Assets (YTD, annualized)

-3.96%-231 bps YoY

Net Interest Margin (YTD, annualized)

1.00%-20 bps YoY

Efficiency Ratio (YTD, annualized)

121.66%-10,465 bps YoY

Tier 1 Leverage Ratio

8.35%+13 bps YoY

NIM

5.02%Q2 ’244.73%Q2 ’254.35%Q2 ’26-8%-17%

Non-interest income vs. expense

3.17%Q2 ’243.24%Q2 ’253.03%Q2 ’26+33%-49%

Year to date, annualized, through each quarter.

MetricQ3 2024Q4 2024Q1 2025Q2 2025Q3 2025Q4 2025Q1 2026Q2 2026YoY ΔTrend
Return on Assets-1.72%-0.02%-1.12%-1.65%-1.36%-1.48%-1.94%-3.96%-231 bps
Net Interest Margin1.22%1.24%1.14%1.20%1.36%1.32%0.87%1.00%-20 bps
Non-Interest Burden2.20%2.15%2.76%3.01%2.80%2.82%2.48%1.54%-147 bps
Loan Growth (YoY)-9.26%-9.42%-9.63%-9.48%-9.30%-8.38%-9.29%-22.03%-1,255 bps
Nonperforming Loans / Loans0.71%0.72%0.52%0.46%0.51%0.58%0.79%1.56%+109 bps
Allowance / Loans2.25%2.23%2.14%2.11%2.05%1.97%1.95%2.19%+8 bps
Tier 1 Leverage Ratio6.71%8.29%8.21%8.22%8.24%8.08%7.62%8.35%+13 bps
Equity / Assets6.68%8.03%8.16%8.00%8.09%7.92%7.32%9.93%+193 bps
Liquid Assets / Assets12.27%14.59%12.32%14.57%12.32%11.26%15.10%11.01%-356 bps

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

One American Bank

Centerville, SD · Cert 6078 · Peer group: banks under $1B in assets operating in a single state (n=743-746) · One American Financial Corp.

State charter, non-member · FDIC · 3 branches

Q2 2026

$285.2MAssets
$225.8MLoans
$231.5MDeposits
$28.3MEquity

Return on Assets

-4.64%

Rank 743 of 746

Net Interest Margin

1.00%

Rank 743 of 746

Efficiency Ratio

121.66%

Rank 735 of 746

Equity / Assets

9.93%

Rank 435 of 746

Non-interest income vs. expense

$5.3M$10.7MINCOMEEXPENSE
Unfavorable gap of $5.4M · efficiency ratio beats 2% of banks under $1B in assets operating in a single state
MetricYour BankPeer 25thPeer MedianPeer 75thStandingRank8-Qtr TrendPeer Position
Return on Assets-4.64%0.72%1.06%1.45%Beats 0%743 / 746n/a
Net Interest Margin1.00%3.17%3.68%4.16%Beats 0%743 / 746n/a
Nonperforming Loans / Loans1.56%0.09%0.42%1.07%Beats 16%625 / 743n/a
Tier 1 Capital Ratio19.42%11.55%13.75%17.60%Beats 81%142 / 746n/a
Equity / Assets9.93%8.90%10.51%13.06%Beats 42%435 / 746n/a
Loans / Assets79.19%53.60%66.97%76.08%83rd pctl124 / 746n/a