• Columbia Banking System declared quarterly cash dividend of USD 0.37 per common share.
• Dividend payable June 15, 2026 to shareholders of record May 29, 2026.

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 PR Newswire (Ref. ID: 202605150815PR_NEWS_USPR_____SF59140) on May 15, 2026, and is solely responsible for the information contained therein.