• Columbia Banking System posted Q1 net income of $192 million, lifting diluted EPS to $0.66 from $0.41 a year earlier.
• Diluted EPS slipped from $0.72 in Q4 as net interest income fell $33 million to $594 million; tax-equivalent net interest margin narrowed 10 basis points to 3.96%.
• Non-interest income declined to $83 million from $90 million in Q4, while non-interest expense dropped $18 million to $394 million on lower merger and restructuring costs.
• Non-performing assets climbed to $264 million, or 0.40% of total assets, up from $200 million, or 0.30%, while provision for credit losses rose to $28 million from $23 million.
• Management expects all previously disclosed Pacific Premier cost savings to be realized by June 30, 2026; $400 million remained under share repurchase authorization after $200 million of buybacks in Q1.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Columbia Banking System Inc. published the original content used to generate this news brief via EDGAR, the Electronic Data Gathering, Analysis, and Retrieval system operated by the U.S. Securities and Exchange Commission (Ref. ID: 0000887343-26-000135), on May 05, 2026, and is solely responsible for the information contained therein.