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Winter Hill Bank, FSB

Somerville, MA · Cert 28213

State savings bank · OCC · 3 branches

Q2 2026

$407.9MAssets
$298.4MLoans
$299.3MDeposits
$41.4MEquity
Loan mix
100%RE $297.1M0%C&I $0.0M0%Consumer $0.6MQ3 2024Q2 2026
Deposit mix
89%Interest-bearing $265.8M11%Noninterest $33.5MQ3 2024Q2 2026

Return on Assets (YTD, annualized)

0.12%-2 bps YoY

Net Interest Margin (YTD, annualized)

2.60%+13 bps YoY

Efficiency Ratio (YTD, annualized)

96.93%+165 bps YoY

Tier 1 Leverage Ratio

10.04%+37 bps YoY

NIM

4.29%Q2 ’244.64%Q2 ’254.55%Q2 ’26+21%+5%

Non-interest income vs. expense

2.35%Q2 ’242.52%Q2 ’252.71%Q2 ’26+8%+7%

Year to date, annualized, through each quarter.

MetricQ3 2024Q4 2024Q1 2025Q2 2025Q3 2025Q4 2025Q1 2026Q2 2026YoY ΔTrend
Return on Assets-0.04%0.01%0.11%0.14%0.14%0.14%0.10%0.12%-2 bps
Net Interest Margin2.08%2.12%2.44%2.47%2.47%2.48%2.57%2.60%+13 bps
Non-Interest Burden2.17%2.16%2.36%2.35%2.35%2.36%2.52%2.51%+17 bps
Loan Growth (YoY)1.65%-0.68%-1.87%-2.97%-3.40%-5.26%-5.07%-4.24%-126 bps
Nonperforming Loans / Loans0.00%0.17%0.17%0.17%0.17%0.00%0.00%0.00%-17 bps
Allowance / Loans0.58%0.58%0.59%0.60%0.60%0.61%0.60%0.60%0 bps
Tier 1 Leverage Ratio9.26%9.35%9.47%9.67%9.74%9.86%9.95%10.04%+37 bps
Equity / Assets9.18%9.41%9.45%9.73%9.89%9.78%9.86%10.16%+43 bps
Liquid Assets / Assets24.40%22.68%24.29%23.07%22.69%24.83%26.08%24.13%+107 bps