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Sterling Bank

Barron, WI · Cert 6195 · Northwest Wisconsin Bcorp Inc.

State charter, non-member · FDIC · 4 branches

Q2 2026

$352.4MAssets
$257.8MLoans
$314.5MDeposits
$32.5MEquity
Loan mix
94%RE $223.2M6%C&I $13.3M1%Consumer $2.0MQ3 2024Q2 2026
Deposit mix
80%Interest-bearing $251.7M20%Noninterest $62.8MQ3 2024Q2 2026

Executive Summary

  • Earnings: ROA of 1.29%, up 29 bps year over year; NIM at 3.43%.
  • Asset quality: problem loans at 0.02% of loans (+2 bps YoY), with net charge-offs at 0.03%.
  • Capital: tier 1 leverage ratio of 9.37%, up 35 bps from a year ago.
  • Funding: loans stand at 81.98% of deposits as of Q2 2026.

Return on Assets (YTD, annualized)

1.29%+29 bps YoY

Net Interest Margin (YTD, annualized)

3.43%+46 bps YoY

Efficiency Ratio (YTD, annualized)

55.58%-585 bps YoY

Tier 1 Leverage Ratio

9.37%+35 bps YoY

NIM

4.46%Q2 ’244.74%Q2 ’254.99%Q2 ’26+11%+16%

Non-interest income vs. expense

2.02%Q2 ’242.05%Q2 ’252.13%Q2 ’26-1%+3%

Year to date, annualized, through each quarter.

MetricQ3 2024Q4 2024Q1 2025Q2 2025Q3 2025Q4 2025Q1 2026Q2 2026YoY ΔTrend
Earnings
Return on Assets0.81%0.85%0.91%1.00%1.06%1.14%1.24%1.29%+29 bps
Return on Equity9.67%10.13%10.69%11.54%12.13%12.99%13.96%14.31%+278 bps
Net Interest Margin2.71%2.75%2.89%2.97%3.08%3.14%3.37%3.43%+46 bps
Efficiency Ratio65.35%64.53%63.40%61.42%59.93%58.53%56.38%55.58%-585 bps
Non-Interest Burden1.66%1.65%1.71%1.68%1.70%1.68%1.74%1.73%+4 bps
Growth
Asset Growth (YoY)-1.37%-0.27%2.22%1.41%1.01%2.60%0.29%1.00%-41 bps
Loan Growth (YoY)1.73%3.43%3.06%4.47%5.78%8.75%6.85%6.44%+197 bps
Deposit Growth (YoY)-1.00%4.30%6.97%5.75%5.35%4.47%1.68%0.05%-570 bps
Asset Quality
Nonperforming Loans / Loans0.00%0.00%0.00%0.00%0.04%0.04%0.04%0.02%+2 bps
Net Charge-Offs / Loans0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.03%+3 bps
Allowance / Loans0.96%0.96%0.95%0.95%0.91%0.89%0.90%0.90%-5 bps
Allowance Coverage of NPLsn/an/an/an/a25.4x25.1x24.5x42.3xn/a
Capital
Tier 1 Leverage Ratio8.91%8.70%8.94%9.02%9.29%8.95%9.20%9.37%+35 bps
Total Risk-Based Capital13.62%13.55%14.35%14.27%14.59%13.99%14.57%14.52%+24 bps
Equity / Assets8.63%8.46%8.57%8.87%9.06%8.72%9.05%9.23%+36 bps
Liquidity & Funding
Loans / Deposits77.62%76.74%76.40%77.06%77.94%79.89%80.28%81.98%+492 bps
Liquid Assets / Assets24.91%24.52%24.90%23.27%23.02%22.03%22.59%21.03%-224 bps
CRE / Total Capitaln/an/an/an/a382%399%396%n/an/a