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NSB Bank

Mason City, IA · Cert 8094 · Northwood Finl Services Corp.

State charter, non-member · FDIC · 6 branches

Q2 2026

$460.8MAssets
$333.7MLoans
$400.6MDeposits
$38.9MEquity
Loan mix
77%RE $208.4M21%C&I $56.5M2%Consumer $6.1MQ3 2024Q2 2026
Deposit mix
81%Interest-bearing $324.7M19%Noninterest $75.9MQ3 2024Q2 2026

Return on Assets (quarter, annualized)

0.84%-3 bps YoY

Net Interest Margin (quarter, annualized)

2.99%+36 bps YoY

Efficiency Ratio (quarter, annualized)

55.91%-380 bps YoY

Tier 1 Leverage Ratio

8.49%+10 bps YoY

NIM

4.82%Q2 ’244.84%Q2 ’254.94%Q2 ’26+2%+14%

Non-interest income vs. expense

1.96%Q2 ’241.77%Q2 ’251.92%Q2 ’26-10%+3%

Discrete quarter, annualized.

MetricQ3 2024Q4 2024Q1 2025Q2 2025Q3 2025Q4 2025Q1 2026Q2 2026YoY ΔTrend
Return on Assets0.84%0.83%1.00%0.87%1.16%0.91%0.66%0.84%-3 bps
Net Interest Margin2.47%2.48%2.72%2.63%2.92%2.89%2.91%2.99%+36 bps
Non-Interest Burden1.32%1.37%1.34%1.40%1.30%1.52%1.33%1.44%+4 bps
Loan Growth (YoY)13.12%8.35%7.21%4.98%1.13%3.29%2.77%-1.17%-615 bps
Nonperforming Loans / Loans0.09%0.08%0.56%0.64%0.69%0.43%0.67%0.32%-32 bps
Allowance / Loans1.07%1.06%1.08%1.06%1.05%0.87%0.96%1.13%+7 bps
Tier 1 Leverage Ratio8.42%8.13%8.56%8.38%8.54%8.28%8.46%8.49%+10 bps
Equity / Assets7.31%7.09%7.35%7.57%8.10%8.23%7.92%8.44%+87 bps
Liquid Assets / Assets0.04%0.05%0.04%0.04%0.04%0.06%0.05%0.05%0 bps