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First State Bank of Michigan

Decatur, MI · Cert 12893 · GTSB Financial Inc.

State charter, Fed member · FED · 2 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=748 to 752). 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

63

Q2 2024Q2 2026peer median (50)

Asset Quality

65

Q2 2024Q2 2026peer median (50)

Profitability

15

Q2 2024Q2 2026peer median (50)

Liquidity

52

Q2 2024Q2 2026peer median

Efficiency

1

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 2026-10-10

First State Bank of Michigan

Decatur, MI · Cert 12893 · GTSB Financial Inc.

State charter, Fed member · FED · 2 branches

Q2 2026

$87.8MAssets
$63.8MLoans
$71.6MDeposits
$14.9MEquity
Loan mix
44%RE $22.1M53%C&I $26.7M4%Consumer $1.9MQ2 2025Q2 2026
Deposit mix
74%Interest-bearing $53.2M26%Noninterest $18.4MQ2 2025Q2 2026

NIM

4.15%Q2 ’245.30%Q2 ’255.26%Q2 ’26+44%-25%

Non-interest income vs. expense

3.15%Q2 ’245.83%Q2 ’254.70%Q2 ’26+94%-19%

Financial Results

Return on Assets (YTD, annualized)

-1.32%+17 bps YoY

Net Interest Margin (YTD, annualized)

3.54%-116 bps YoY

Efficiency Ratio (YTD, annualized)

128.47%+731 bps YoY

Tier 1 Leverage Ratio

13.89%-726 bps YoY

Year to date, annualized, through each quarter.

MetricQ2 2025Q3 2025Q4 2025Q1 2026Q2 2026YoY ΔTrend
Return on Assets-1.48%-1.48%-1.48%-1.35%-1.32%+17 bps
Net Interest Margin4.70%4.49%4.31%3.49%3.54%-116 bps
Non-Interest Burden5.63%5.38%5.14%4.44%4.57%-107 bps
Loan Growth (YoY)7.11%20.46%67.04%95.30%114.69%+10,759 bps
Nonperforming Loans / Loans1.09%1.61%1.97%1.09%0.88%-22 bps
Allowance / Loans1.34%1.31%1.23%1.19%0.95%-38 bps
Tier 1 Leverage Ratio21.15%19.53%18.30%14.74%13.89%-726 bps
Equity / Assets25.48%24.10%19.24%18.20%16.95%-852 bps
Liquid Assets / Assets32.31%28.58%29.72%22.32%11.80%-2,051 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 2026-10-10

First State Bank of Michigan

Decatur, MI · Cert 12893 · Peer group: banks under $1B in assets operating in a single state (n=748-752) · GTSB Financial Inc.

State charter, Fed member · FED · 2 branches

Q2 2026

$87.8MAssets
$63.8MLoans
$71.6MDeposits
$14.9MEquity

Return on Assets

-1.26%

Rank 744 of 752

Net Interest Margin

3.54%

Rank 437 of 752

Efficiency Ratio

133.27%

Rank 742 of 752

Equity / Assets

16.95%

Rank 67 of 752

Non-interest income vs. expense

$0.1M$4.0MINCOMEEXPENSE
Unfavorable gap of $3.9M · efficiency ratio beats 1% of banks under $1B in assets operating in a single state
Bank 133.27%Peer median 64.5%Q3 2024Q2 2026Shaded: peer 25th to 75th percentile
MetricYour BankPeer 25thPeer MedianPeer 75thStandingRankPeer Position
Return on Assets-1.26%0.72%1.07%1.45%Beats 1%744 / 752
Net Interest Margin3.54%3.18%3.69%4.17%Beats 42%437 / 752
Nonperforming Loans / Loans0.88%0.09%0.42%1.03%Beats 30%521 / 748
Tier 1 Capital Ratio13.89%11.55%13.75%17.60%Beats 51%367 / 752
Equity / Assets16.95%8.93%10.56%13.13%Beats 91%67 / 752
Loans / Assets72.71%54.61%67.41%76.47%64th pctl272 / 752