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Barrington Bank & Trust Company, National Association

Barrington, IL · Cert 34395 · Wintrust Financial Corp.

National charter · OCC · 15 affiliate banks · 9 branches (213 in holding)

Q2 2026

$5.2BAssets
$3.9BLoans
$4.1BDeposits
$527.8MEquity
Loan mix
46%RE $1.7B44%C&I $1.6B10%Consumer $0.4BQ2 2025Q2 2026
Deposit mix
82%Interest-bearing $3.4B18%Noninterest $0.7BQ2 2025Q2 2026

NIM

5.07%Q2 ’245.02%Q2 ’254.84%Q2 ’26+4%+3%

Non-interest income vs. expense

4.37%Q2 ’244.07%Q2 ’253.89%Q2 ’26+21%-14%

Financial Results

Return on Assets (YTD, annualized)

1.27%+28 bps YoY

Net Interest Margin (YTD, annualized)

2.94%+8 bps YoY

Efficiency Ratio (YTD, annualized)

68.38%-423 bps YoY

Tier 1 Leverage Ratio

10.08%-82 bps YoY

Year to date, annualized, through each quarter.

MetricQ2 2025Q3 2025Q4 2025Q1 2026Q2 2026YoY ΔTrend
Return on Assets0.99%1.13%1.04%1.18%1.27%+28 bps
Net Interest Margin2.87%2.82%2.88%3.02%2.94%+8 bps
Non-Interest Burden1.30%1.14%1.29%1.16%1.11%-19 bps
Loan Growth (YoY)12.78%10.90%10.22%10.56%5.60%-718 bps
Nonperforming Loans / Loans4.50%4.75%5.36%5.13%4.75%+25 bps
Allowance / Loans0.53%0.53%0.60%0.63%0.63%+10 bps
Tier 1 Leverage Ratio10.90%10.85%10.42%10.46%10.08%-82 bps
Equity / Assets10.94%11.01%10.90%10.49%10.22%-72 bps
Liquid Assets / Assets4.06%3.59%2.66%3.97%6.52%+246 bps