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Wheaton Bank & Trust Company, National Association

Wheaton, IL · Cert 33803 · Wintrust Financial Corp.

National charter · OCC · 15 affiliate banks · 8 branches (213 in holding)

Q2 2026

$4.8BAssets
$3.2BLoans
$4.1BDeposits
$422.2MEquity
Loan mix
32%RE $0.9B49%C&I $1.4B18%Consumer $0.5BQ3 2024Q2 2026
Deposit mix
83%Interest-bearing $3.4B17%Noninterest $0.7BQ3 2024Q2 2026

Return on Assets (quarter, annualized)

1.66%+19 bps YoY

Net Interest Margin (quarter, annualized)

2.91%-1 bps YoY

Efficiency Ratio (quarter, annualized)

31.53%-405 bps YoY

Tier 1 Leverage Ratio

9.10%-23 bps YoY

NIM

5.59%Q2 ’245.28%Q2 ’255.06%Q2 ’26-3%0%

Non-interest income vs. expense

1.23%Q2 ’241.15%Q2 ’251.02%Q2 ’26-9%-16%

Discrete quarter, annualized.

MetricQ3 2024Q4 2024Q1 2025Q2 2025Q3 2025Q4 2025Q1 2026Q2 2026YoY ΔTrend
Return on Assets1.08%1.39%1.38%1.47%1.59%1.42%1.56%1.66%+19 bps
Net Interest Margin2.99%2.96%3.07%2.92%2.90%3.02%2.96%2.91%-1 bps
Non-Interest Burden0.87%0.82%0.90%0.79%0.76%0.83%0.77%0.66%-13 bps
Loan Growth (YoY)13.38%13.67%19.68%19.38%18.63%16.21%15.11%10.52%-886 bps
Nonperforming Loans / Loans0.50%0.44%0.40%0.39%0.38%0.47%0.40%0.53%+13 bps
Allowance / Loans0.92%0.84%0.85%0.77%0.70%0.64%0.59%0.51%-26 bps
Tier 1 Leverage Ratio9.00%9.07%9.28%9.33%9.06%9.01%9.42%9.10%-23 bps
Equity / Assets9.25%9.14%9.40%9.06%9.32%9.10%9.42%8.81%-24 bps
Liquid Assets / Assets17.71%15.30%15.68%14.57%12.33%12.80%11.15%13.83%-74 bps