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Marathon Bank

Wausau, WI · Cert 29745 · Marathon Bcorp Inc.

SI · FDIC · 5 branches

Q2 2026

$261.1MAssets
$219.2MLoans
$197.8MDeposits
$38.6MEquity
Loan mix
98%RE $209.7M1%C&I $3.1M0%Consumer $0.3MQ3 2024Q2 2026
Deposit mix
85%Interest-bearing $168.5M15%Noninterest $29.3MQ3 2024Q2 2026

Market Position · Wausau, WI · 2026 SOD (annual) · 3.0% share · #10 of 17 inst. · $0.2B of $5.4B

3.0% Marathon
0.6% Ozaukee
0.1% Waukesha

Executive Summary

  • Earnings: ROA of 0.70%, up 80 bps year over year; NIM at 3.30%.
  • Asset quality: problem loans at 0.03% of loans (0 bps YoY), with net recoveries of 0.53%.
  • Capital: tier 1 leverage ratio of 15.34%, up 13 bps from a year ago.
  • Funding: loans stand at 110.81% of deposits as of Q2 2026.

Return on Assets (quarter, annualized)

0.70%+80 bps YoY

Net Interest Margin (quarter, annualized)

3.30%+42 bps YoY

Efficiency Ratio (quarter, annualized)

77.12%-2,425 bps YoY

Tier 1 Leverage Ratio

15.34%+13 bps YoY

NIM

4.09%Q2 ’244.42%Q2 ’254.89%Q2 ’26+18%+14%

Non-interest income vs. expense

2.64%Q2 ’242.61%Q2 ’252.82%Q2 ’26+27%-16%

Discrete quarter, annualized.

MetricQ3 2024Q4 2024Q1 2025Q2 2025Q3 2025Q4 2025Q1 2026Q2 2026YoY ΔTrend
Earnings
Return on Assets0.33%0.14%0.28%-0.11%0.81%0.96%0.88%0.70%+80 bps
Return on Equity2.47%1.05%2.19%-0.79%5.43%6.42%5.84%4.64%+543 bps
Net Interest Margin2.56%2.57%2.61%2.89%3.12%3.29%3.25%3.30%+42 bps
Efficiency Ratio96.01%94.26%90.10%101.37%73.40%67.12%69.87%77.12%-2,425 bps
Non-Interest Burden2.45%2.40%2.31%2.92%2.20%2.09%2.14%2.47%-45 bps
Growth
Asset Growth (YoY)-8.82%-7.55%4.14%7.99%13.58%13.74%5.06%9.50%+151 bps
Loan Growth (YoY)-10.98%-9.04%-1.70%9.34%16.98%19.63%12.11%8.37%-97 bps
Deposit Growth (YoY)-9.56%-4.29%8.41%3.66%8.94%6.16%-3.49%7.84%+417 bps
Asset Quality
Nonperforming Loans / Loans0.00%0.00%0.00%0.03%0.09%0.09%0.09%0.03%0 bps
Net Charge-Offs / Loans-0.01%-0.01%-0.01%-0.01%-0.01%-0.01%-0.01%-0.53%-53 bps
Allowance / Loans0.99%0.99%0.91%0.90%0.86%0.86%0.86%0.80%-11 bps
Allowance Coverage of NPLsn/an/an/a27.3x9.4x9.6x9.7x26.5x-0.8x
Capital
Tier 1 Leverage Ratio13.42%13.64%13.42%15.21%15.04%15.27%15.35%15.34%+13 bps
Total Risk-Based Capital13.42%13.64%13.42%15.21%15.04%15.27%15.35%15.34%+13 bps
Equity / Assets13.40%13.36%12.41%15.02%14.84%14.99%15.19%14.78%-24 bps
Liquidity & Funding
Loans / Deposits101.71%101.96%101.17%110.26%109.22%114.90%117.52%110.81%+55 bps
Liquid Assets / Assets6.16%5.86%9.45%5.05%5.43%4.53%5.16%4.70%-35 bps
CRE / Total Capitaln/an/an/an/a388%382%375%n/an/a