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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 $0.1BQ1 2024Q4 2025
Deposit mix
82%Interest-bearing $4.5B18%Noninterest $1.0BQ1 2024Q4 2025

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

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%

Year to date, annualized, through each quarter.

MetricQ1 2024Q2 2024Q3 2024Q4 2024Q1 2025Q2 2025Q3 2025Q4 2025YoY ΔTrend
Return on Assets0.38%0.75%-1.39%-0.78%1.12%0.95%1.06%1.12%+189 bps
Net Interest Margin2.26%2.27%2.36%2.67%3.22%3.29%3.32%3.33%+67 bps
Non-Interest Burden1.47%1.12%1.27%1.41%1.62%1.59%1.60%1.62%+21 bps
Loan Growth (YoY)12.62%6.68%6.48%4.56%-2.24%2.52%2.31%5.15%+59 bps
Nonperforming Loans / Loans0.66%0.59%0.51%0.51%0.40%0.85%0.68%0.70%+20 bps
Allowance / Loans1.27%1.26%1.25%1.28%1.25%1.50%1.17%1.17%-11 bps
Tier 1 Leverage Ratio9.36%9.24%9.69%10.12%10.42%10.43%10.38%10.50%+38 bps
Equity / Assets9.63%9.86%10.14%10.60%10.82%11.06%10.99%11.24%+64 bps
Liquid Assets / Assets16.23%16.55%1.98%2.14%2.92%1.47%3.29%2.78%+64 bps