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Mercantile Bank

Grand Rapids, MI · Cert 34598 · Mercantile Bank Corp.

State charter, non-member · FDIC · 40 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 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 $1B-$10B in assets operating in a single state (n=257 to 258). 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

54

Q2 2024Q2 2026peer median (50)

Asset Quality

91

Q2 2024Q2 2026peer median (50)

Profitability

63

Q2 2024Q2 2026peer median (50)

Liquidity

43

Q2 2024Q2 2026peer median

Efficiency

66

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

Mercantile Bank

Grand Rapids, MI · Cert 34598 · Mercantile Bank Corp.

State charter, non-member · FDIC · 1 affiliate bank · 40 branches (52 in holding)

Q2 2026

$6.2BAssets
$4.8BLoans
$4.9BDeposits
$731.4MEquity
Loan mix
75%RE $3.3B25%C&I $1.1B0%Consumer $0.0BQ2 2025Q2 2026
Deposit mix
74%Interest-bearing $3.6B26%Noninterest $1.3BQ2 2025Q2 2026

NIM

5.60%Q2 ’245.37%Q2 ’255.08%Q2 ’26-5%-1%

Non-interest income vs. expense

2.06%Q2 ’242.03%Q2 ’252.21%Q2 ’26+4%+11%

Market Position · Grand Rapids-Wyoming-Kentwood, MI · 2026 SOD (annual) · 7.2% share · #6 of 28 inst. · $2.5B of $34.4B

8.1% Kent
10.6% Kalamazoo
24.7% Isabella
2.7% Ingham

Executive Summary

  • Earnings: ROA of 1.61%, up 4 bps year over year; NIM at 3.36%.
  • Asset quality: problem loans at 0.10% of loans (-11 bps YoY), with net recoveries of 0.03%.
  • Capital: tier 1 leverage ratio of 11.61%, down 36 bps from a year ago.
  • Funding: loans stand at 96.44% of deposits as of Q2 2026.

Financial Results

Return on Assets (YTD, annualized)

1.61%+4 bps YoY

Net Interest Margin (YTD, annualized)

3.36%-2 bps YoY

Efficiency Ratio (YTD, annualized)

54.86%+439 bps YoY

Tier 1 Leverage Ratio

11.61%-36 bps YoY

Year to date, annualized, through each quarter.

MetricQ2 2025Q3 2025Q4 2025Q1 2026Q2 2026YoY ΔTrend
Earnings
Return on Assets1.57%1.62%1.61%1.51%1.61%+4 bps
Return on Equity13.57%13.93%13.86%13.13%13.90%+33 bps
Net Interest Margin3.38%3.32%3.34%3.34%3.36%-2 bps
Efficiency Ratio50.48%50.40%50.71%56.19%54.86%+439 bps
Non-Interest Burden1.37%1.35%1.36%1.56%1.52%+15 bps
Growth
Asset Growth (YoY)10.09%6.34%4.13%4.66%2.17%-792 bps
Loan Growth (YoY)5.95%1.10%0.41%-0.25%0.57%-538 bps
Deposit Growth (YoY)13.61%8.14%3.82%7.21%4.18%-943 bps
Asset Quality
Nonperforming Loans / Loans0.21%0.21%0.15%0.15%0.10%-11 bps
Net Charge-Offs / Loans-0.01%-0.02%0.04%-0.03%-0.03%-2 bps
Allowance / Loans1.24%1.28%1.20%1.17%1.12%-12 bps
Allowance Coverage of NPLs6.0x6.0x8.1x8.0x11.6x+5.6x
Capital
Tier 1 Leverage Ratio11.98%11.75%11.54%11.57%11.61%-36 bps
Total Risk-Based Capital13.88%14.25%13.80%13.79%13.54%-34 bps
Equity / Assets11.73%11.80%11.63%11.42%11.72%-1 bps
Liquidity & Funding
Loans / Deposits99.90%95.78%94.68%92.10%96.44%-346 bps
Liquid Assets / Assets3.19%6.71%6.00%7.55%3.51%+32 bps
CRE / Total Capitaln/a335%343%334%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

Mercantile Bank

Grand Rapids, MI · Cert 34598 · Peer group: banks $1B-$10B in assets operating in a single state (n=257-258) · Mercantile Bank Corp.

State charter, non-member · FDIC · 1 affiliate bank · 40 branches (52 in holding)

Q2 2026

$6.2BAssets
$4.8BLoans
$4.9BDeposits
$731.4MEquity

Executive Summary

  • Strongest standing: net charge-offs / loans outperforms 94% of banks $1B-$10B in assets operating in a single state (rank 20 of 258).
  • Widest gap: net interest margin trails 59% of banks $1B-$10B in assets operating in a single state (rank 152 of 258).
  • Overall: at or above the peer median on 6 of 9 directional measures.

Return on Assets

1.62%

Rank 49 of 258

Net Interest Margin

3.36%

Rank 152 of 258

Efficiency Ratio

54.86%

Rank 89 of 257

Equity / Assets

11.72%

Rank 66 of 258

Non-interest income vs. expense

$43.6M$139.6MINCOMEEXPENSE
Unfavorable gap of $96.0M · efficiency ratio beats 66% of banks $1B-$10B in assets operating in a single state
Bank 54.86%Peer median 60.3%Q3 2024Q2 2026Shaded: peer 25th to 75th percentile
MetricYour BankPeer 25thPeer MedianPeer 75thStandingRankPeer Position
Earnings
Return on Assets1.62%0.93%1.23%1.54%Beats 81%49 / 258
Return on Equity13.83%9.26%11.84%14.74%Beats 67%86 / 258
Net Interest Margin3.36%3.16%3.49%3.88%Beats 41%152 / 258
Efficiency Ratio54.86%51.71%60.30%69.65%Beats 66%89 / 257
Asset Quality
Nonperforming Loans / Loans0.10%0.19%0.46%0.90%Beats 88%33 / 258
Net Charge-Offs / Loans0.00%0.01%0.02%0.07%Beats 94%20 / 258
Capital
Tier 1 Capital Ratio12.59%11.41%12.98%15.12%Beats 43%147 / 258
Total Risk-Based Capital Ratio13.54%12.10%13.91%16.08%Beats 44%145 / 258
Equity / Assets11.72%9.09%10.24%11.72%Beats 74%66 / 258
Liquidity & Funding
Loans / Deposits96.44%73.24%86.34%95.95%76th pctl61 / 258
Loans / Assets76.16%63.01%72.27%78.40%64th pctl92 / 258
Brokered Deposits / Depositsn/aNot reported for this institution