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Waterstone Bank

Wauwatosa, WI · Cert 28513 · Waterstone Financial Inc.

SI · FDIC · 16 branches

Q2 2026

$2.3BAssets
$1.8BLoans
$1.5BDeposits
$331.5MEquity
Loan mix
98%RE $1.8B2%C&I $0.0B0%Consumer $0.0BQ3 2024Q2 2026
Deposit mix
92%Interest-bearing $1.4B8%Noninterest $0.1BQ3 2024Q2 2026

Return on Assets (YTD, annualized)

1.28%+31 bps YoY

Net Interest Margin (YTD, annualized)

2.86%+45 bps YoY

Efficiency Ratio (YTD, annualized)

75.19%-551 bps YoY

Tier 1 Leverage Ratio

15.43%+8 bps YoY

NIM

4.89%Q2 ’245.13%Q2 ’255.29%Q2 ’26+23%+18%

Non-interest income vs. expense

5.09%Q2 ’244.91%Q2 ’255.14%Q2 ’26+33%-5%

Year to date, annualized, through each quarter.

MetricQ3 2024Q4 2024Q1 2025Q2 2025Q3 2025Q4 2025Q1 2026Q2 2026YoY ΔTrend
Return on Assets0.79%0.82%0.55%0.97%1.11%1.17%1.06%1.28%+31 bps
Net Interest Margin1.98%2.11%2.39%2.41%2.50%2.55%2.82%2.86%+45 bps
Non-Interest Burden0.99%1.06%1.78%1.25%1.16%1.15%1.41%1.19%-7 bps
Loan Growth (YoY)2.36%-0.70%-3.27%-3.97%-0.04%0.23%2.74%0.52%+449 bps
Nonperforming Loans / Loans0.29%0.31%0.42%0.45%0.32%0.34%0.41%0.36%-9 bps
Allowance / Loans0.98%1.00%1.01%0.97%0.95%0.96%0.97%0.97%0 bps
Tier 1 Leverage Ratio14.96%15.55%15.86%15.35%15.55%15.43%15.85%15.43%+8 bps
Equity / Assets14.59%14.86%15.12%14.49%14.69%14.95%15.05%14.71%+22 bps
Liquid Assets / Assets1.38%1.37%1.48%2.70%2.07%2.65%1.50%1.33%-137 bps