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Columbia Bank

Lake Oswego, OR · Cert 17266 · Columbia Banking System Inc.

State charter, non-member · FDIC · 360 branches

Q2 2026

$65.4BAssets
$47.2BLoans
$52.2BDeposits
$7.8BEquity
Loan mix
83%RE $36.1B17%C&I $7.5B0%Consumer $0.1BQ2 2025Q2 2026
Deposit mix
67%Interest-bearing $34.8B33%Noninterest $17.4BQ2 2025Q2 2026

NIM

5.27%Q2 ’245.09%Q2 ’254.94%Q2 ’26+3%+6%

Non-interest income vs. expense

2.15%Q2 ’242.37%Q2 ’252.32%Q2 ’26+5%-4%

Market Position · Seattle-Tacoma-Bellevue, WA · 2026 SOD (annual) · 7.4% share · #5 of 43 inst. · $10.5B of $143.1B

90.1% Douglas
32.5% Pierce
3.7% King
0.8% Los Angeles

Executive Summary

  • Earnings: ROA of 1.25%, up 27 bps year over year; NIM at 3.75%.
  • Asset quality: problem loans at 0.57% of loans (+9 bps YoY), with net charge-offs at 0.28%.
  • Capital: tier 1 leverage ratio of 9.68%, up 49 bps from a year ago.
  • Funding: loans stand at 90.49% of deposits as of Q2 2026.

Financial Results

Return on Assets (YTD, annualized)

1.25%+27 bps YoY

Net Interest Margin (YTD, annualized)

3.75%+23 bps YoY

Efficiency Ratio (YTD, annualized)

50.16%-515 bps YoY

Tier 1 Leverage Ratio

9.68%+49 bps YoY

Year to date, annualized, through each quarter.

MetricQ2 2025Q3 2025Q4 2025Q1 2026Q2 2026YoY ΔTrend
Earnings
Return on Assets0.98%0.85%1.00%1.19%1.25%+27 bps
Return on Equity9.05%7.64%8.80%9.84%10.33%+129 bps
Net Interest Margin3.53%3.40%3.12%3.74%3.75%+23 bps
Efficiency Ratio55.30%57.48%55.35%51.37%50.16%-515 bps
Non-Interest Burden1.89%1.89%1.68%1.88%1.82%-8 bps
Growth
Asset Growth (YoY)-0.29%30.03%29.58%28.16%25.97%+2,626 bps
Loan Growth (YoY)-0.17%29.90%27.25%26.80%25.26%+2,543 bps
Deposit Growth (YoY)0.58%34.45%30.01%26.77%24.80%+2,422 bps
Asset Quality
Nonperforming Loans / Loans0.48%0.41%0.42%0.55%0.57%+9 bps
Net Charge-Offs / Loans0.31%0.22%0.23%0.30%0.28%-3 bps
Allowance / Loans1.12%0.97%0.97%0.96%0.97%-15 bps
Allowance Coverage of NPLs2.3x2.4x2.3x1.7x1.7x-0.6x
Capital
Tier 1 Leverage Ratio9.19%11.43%9.70%9.72%9.68%+49 bps
Total Risk-Based Capital12.69%13.09%13.26%13.17%13.13%+44 bps
Equity / Assets10.96%11.99%12.18%12.07%12.00%+104 bps
Liquidity & Funding
Loans / Deposits90.15%87.30%88.41%89.11%90.49%+34 bps
Liquid Assets / Assets2.57%2.71%2.82%2.33%1.74%-83 bps
CRE / Total Capitaln/a444%430%429%n/an/a