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Midwestone Bank

Iowa City, IA · Cert 14843

FDIC · 59 branches

Q4 2025

$6.3BAssets
$4.5BLoans
$5.5BDeposits
$702.8MEquity
Loan mix
78%RE $3.0B21%C&I $0.8B1%Consumer $0.1BQ4 2024Q4 2025
Deposit mix
82%Interest-bearing $4.5B18%Noninterest $1.0BQ4 2024Q4 2025

NIM

3.83%Q4 ’234.65%Q4 ’244.90%Q4 ’25+13%+25%

Non-interest income vs. expense

2.03%Q4 ’232.28%Q4 ’242.35%Q4 ’25+2%+15%

Market Position · Iowa City, IA · 2025 SOD (annual) · 19.5% share · #2 of 20 inst. · $1.1B of $5.9B

23.5% Johnson
25.0% Dubuque
0.8% Denver
33.5% Muscatine

Executive Summary

  • Earnings: ROA of 1.12%, up 189 bps year over year; NIM at 3.33%.
  • Asset quality: problem loans at 0.70% of loans (+20 bps YoY), with net charge-offs at 0.41%.
  • Capital: tier 1 leverage ratio of 10.50%, up 38 bps from a year ago.
  • Funding: loans stand at 82.84% of deposits as of Q4 2025.

Financial Results

Return on Assets (YTD, annualized)

1.12%+189 bps YoY

Net Interest Margin (YTD, annualized)

3.33%+67 bps YoY

Efficiency Ratio (YTD, annualized)

56.69%-582 bps YoY

Tier 1 Leverage Ratio

10.50%+38 bps YoY

Year to date, annualized, through each quarter.

MetricQ4 2024Q1 2025Q2 2025Q3 2025Q4 2025YoY ΔTrend
Earnings
Return on Assets-0.78%1.12%0.95%1.06%1.12%+189 bps
Return on Equity-7.78%10.45%8.82%9.74%10.22%+1,800 bps
Net Interest Margin2.67%3.22%3.29%3.32%3.33%+67 bps
Efficiency Ratio62.51%57.75%56.28%56.12%56.69%-582 bps
Non-Interest Burden1.41%1.62%1.59%1.60%1.62%+21 bps
Growth
Asset Growth (YoY)-2.99%-7.34%-6.44%-4.68%0.37%+336 bps
Loan Growth (YoY)4.56%-2.24%2.52%2.31%5.15%+59 bps
Deposit Growth (YoY)1.24%-1.68%-0.40%2.02%-0.07%-131 bps
Asset Quality
Nonperforming Loans / Loans0.51%0.40%0.85%0.68%0.70%+20 bps
Net Charge-Offs / Loans0.07%0.29%0.15%0.56%0.41%+34 bps
Allowance / Loans1.28%1.25%1.50%1.17%1.17%-11 bps
Allowance Coverage of NPLs2.5x3.1x1.8x1.7x1.7x-0.9x
Capital
Tier 1 Leverage Ratio10.12%10.42%10.43%10.38%10.50%+38 bps
Total Risk-Based Capital14.02%14.21%14.20%13.92%14.02%+1 bps
Equity / Assets10.60%10.82%11.06%10.99%11.24%+64 bps
Liquidity & Funding
Loans / Deposits78.73%78.59%81.47%80.82%82.84%+411 bps
Liquid Assets / Assets2.14%2.92%1.47%3.29%2.78%+64 bps
CRE / Total Capitaln/an/an/a328%332%n/a