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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 $0.0BQ2 2025Q2 2026
Deposit mix
92%Interest-bearing $1.4B8%Noninterest $0.1BQ2 2025Q2 2026

NIM

5.00%Q2 ’245.19%Q2 ’255.35%Q2 ’26+30%+17%

Non-interest income vs. expense

5.35%Q2 ’245.10%Q2 ’255.26%Q2 ’26+6%+26%

Financial Results

Return on Assets (quarter, annualized)

1.50%+11 bps YoY

Net Interest Margin (quarter, annualized)

2.92%+42 bps YoY

Efficiency Ratio (quarter, annualized)

72.78%-173 bps YoY

Tier 1 Leverage Ratio

15.43%+8 bps YoY

Discrete quarter, annualized.

MetricQ2 2025Q3 2025Q4 2025Q1 2026Q2 2026YoY ΔTrend
Return on Assets1.39%1.39%1.34%1.06%1.50%+11 bps
Net Interest Margin2.50%2.68%2.83%2.82%2.92%+42 bps
Non-Interest Burden0.77%0.97%1.18%1.41%0.97%+20 bps
Loan Growth (YoY)-3.97%-0.04%0.23%2.74%0.52%+449 bps
Nonperforming Loans / Loans0.45%0.32%0.34%0.41%0.36%-9 bps
Allowance / Loans0.97%0.95%0.96%0.97%0.97%0 bps
Tier 1 Leverage Ratio15.35%15.55%15.43%15.85%15.43%+8 bps
Equity / Assets14.49%14.69%14.95%15.05%14.71%+22 bps
Liquid Assets / Assets2.70%2.07%2.65%1.50%1.33%-137 bps