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Chester National Bank

Chester, IL · Cert 30220 · Chester Bcorp Inc.

National charter · OCC · 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 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 under $1B in assets operating regionally (n=94). 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

55

Q2 2024Q2 2026peer median (50)

Asset Quality

100

Q2 2024Q2 2026peer median (50)

Profitability

47

Q2 2024Q2 2026peer median (50)

Liquidity

0

Q2 2024Q2 2026peer median

Efficiency

77

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

Chester National Bank

Chester, IL · Cert 30220 · Chester Bcorp Inc.

National charter · OCC · 3 branches

Q2 2026

$125.7MAssets
$62.0MLoans
$118.3MDeposits
$7.4MEquity
Loan mix
97%RE $57.6M1%C&I $0.9M2%Consumer $1.2MQ2 2025Q2 2026
Deposit mix
89%Interest-bearing $104.8M11%Noninterest $13.5MQ2 2025Q2 2026

NIM

3.87%Q2 ’244.24%Q2 ’254.09%Q2 ’26-1%+1%

Non-interest income vs. expense

2.55%Q2 ’241.92%Q2 ’251.71%Q2 ’26-24%-10%

Financial Results

Return on Assets (YTD, annualized)

1.09%+12 bps YoY

Net Interest Margin (YTD, annualized)

2.87%+2 bps YoY

Efficiency Ratio (YTD, annualized)

55.88%-646 bps YoY

Tier 1 Leverage Ratio

6.03%-38 bps YoY

Year to date, annualized, through each quarter.

MetricQ2 2025Q3 2025Q4 2025Q1 2026Q2 2026YoY ΔTrend
Return on Assets0.97%0.99%1.01%1.07%1.09%+12 bps
Net Interest Margin2.85%2.80%2.92%2.91%2.87%+2 bps
Non-Interest Burden1.69%1.65%1.70%1.60%1.53%-17 bps
Loan Growth (YoY)12.43%16.42%17.38%18.78%17.69%+526 bps
Nonperforming Loans / Loans0.00%0.00%0.00%0.00%0.00%0 bps
Allowance / Loans0.79%0.75%0.71%0.69%0.67%-12 bps
Tier 1 Leverage Ratio6.41%6.45%6.60%6.17%6.03%-38 bps
Equity / Assets6.27%6.34%6.01%6.07%5.87%-39 bps
Liquid Assets / Assets31.09%30.35%32.26%33.73%23.87%-723 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

Chester National Bank

Chester, IL · Cert 30220 · Peer group: banks under $1B in assets operating regionally (n=94) · Chester Bcorp Inc.

National charter · OCC · 3 branches

Q2 2026

$125.7MAssets
$62.0MLoans
$118.3MDeposits
$7.4MEquity

Return on Assets

1.04%

Rank 58 of 94

Net Interest Margin

2.87%

Rank 89 of 94

Efficiency Ratio

55.88%

Rank 23 of 94

Equity / Assets

5.87%

Rank 93 of 94

Non-interest income vs. expense

$0.2M$2.1MINCOMEEXPENSE
Unfavorable gap of $1.9M · efficiency ratio beats 77% of banks under $1B in assets operating regionally
Bank 55.88%Peer median 62.4%Q2 2024Q2 2026Shaded: peer 25th to 75th percentile
MetricYour BankPeer 25thPeer MedianPeer 75thStandingRankPeer Position
Return on Assets1.04%0.82%1.19%1.46%Beats 38%58 / 94
Net Interest Margin2.87%3.42%3.81%4.18%Beats 5%89 / 94
Nonperforming Loans / Loans0.00%0.19%0.47%1.14%Beats 100%6 / 94
Tier 1 Capital Ratio15.86%10.28%11.95%15.07%Beats 82%17 / 94
Equity / Assets5.87%8.98%10.21%11.41%Beats 1%93 / 94
Loans / Assets49.34%62.50%72.84%78.99%7th pctl87 / 94