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Mound City Bank

Platteville, WI · Cert 9037 · Mound Cty Finl Services Inc.

State charter, non-member · FDIC · 6 branches

Q2 2026

Board Package

Performance Trends and Peer Comparison

Part 1Performance Trends, own institution only2
Part 2Peer Comparison, banks under $1B in assets in WI3

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 in WI (n=110 to 113). 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

76

Q2 2024Q2 2026peer median (50)

Asset Quality

47

Q2 2024Q2 2026peer median (50)

Profitability

64

Q2 2024Q2 2026peer median (50)

Liquidity

69

Q2 2024Q2 2026peer median

Efficiency

75

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

Mound City Bank

Platteville, WI · Cert 9037 · Mound Cty Finl Services Inc.

State charter, non-member · FDIC · 6 branches

Q2 2026

$550.7MAssets
$434.2MLoans
$468.0MDeposits
$69.1MEquity
Loan mix
95%RE $342.6M4%C&I $13.6M1%Consumer $3.6MQ3 2024Q2 2026
Deposit mix
85%Interest-bearing $399.1M15%Noninterest $68.9MQ3 2024Q2 2026

Return on Assets (YTD, annualized)

1.67%+47 bps YoY

Net Interest Margin (YTD, annualized)

3.47%+52 bps YoY

Efficiency Ratio (YTD, annualized)

54.61%-562 bps YoY

Tier 1 Leverage Ratio

13.07%+39 bps YoY

NIM

4.36%Q2 ’244.67%Q2 ’255.08%Q2 ’26+23%+18%

Non-interest income vs. expense

2.22%Q2 ’242.29%Q2 ’252.42%Q2 ’26-2%+2%

Year to date, annualized, through each quarter.

MetricQ3 2024Q4 2024Q1 2025Q2 2025Q3 2025Q4 2025Q1 2026Q2 2026YoY ΔTrend
Return on Assets0.84%0.85%1.27%1.20%1.32%1.31%1.56%1.67%+47 bps
Net Interest Margin2.42%2.49%2.79%2.95%3.02%3.13%3.34%3.47%+52 bps
Non-Interest Burden1.41%1.47%1.22%1.44%1.40%1.50%1.40%1.46%+2 bps
Loan Growth (YoY)8.37%3.92%4.19%3.16%3.31%7.13%6.83%9.13%+597 bps
Nonperforming Loans / Loans0.45%0.43%0.42%0.41%0.41%0.01%0.04%0.11%-30 bps
Allowance / Loans1.49%1.49%1.48%1.47%1.45%1.40%1.39%1.35%-12 bps
Tier 1 Leverage Ratio12.21%12.30%12.56%12.69%12.78%12.86%12.70%13.07%+39 bps
Equity / Assets11.42%11.40%11.67%11.80%12.28%12.02%12.22%12.55%+75 bps
Liquid Assets / Assets3.92%1.96%3.30%4.48%1.16%2.54%2.85%1.26%-322 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

Mound City Bank

Platteville, WI · Cert 9037 · Peer group: banks under $1B in assets in WI (n=110-113) · Mound Cty Finl Services Inc.

State charter, non-member · FDIC · 6 branches

Q2 2026

$550.7MAssets
$434.2MLoans
$468.0MDeposits
$69.1MEquity

Return on Assets

1.66%

Rank 23 of 113

Net Interest Margin

3.47%

Rank 65 of 113

Efficiency Ratio

54.61%

Rank 29 of 113

Equity / Assets

12.55%

Rank 35 of 113

Non-interest income vs. expense

$5.2M$13.3MINCOMEEXPENSE
Unfavorable gap of $8.1M · efficiency ratio beats 75% of banks under $1B in assets in WI
Bank 54.61%Peer median 62.4%Q3 2024Q2 2026Shaded: peer 25th to 75th percentile
MetricYour BankPeer 25thPeer MedianPeer 75thStandingRank8-Qtr TrendPeer Position
Return on Assets1.66%0.85%1.17%1.51%Beats 80%23 / 113
Net Interest Margin3.47%3.19%3.59%3.89%Beats 42%65 / 113
Nonperforming Loans / Loans0.11%0.03%0.24%0.91%Beats 61%44 / 110
Tier 1 Capital Ratio16.72%11.22%12.95%15.76%Beats 78%25 / 113
Equity / Assets12.55%9.17%10.74%13.13%Beats 69%35 / 113
Loans / Assets78.84%63.07%71.33%78.84%74th pctl29 / 113