• First Interstate BancSystem named Jeff Lee executive vice president, chief operations officer for the company and First Interstate Bank, effective Sept. 14, 2026.
• Lee previously held several senior roles at Seacoast Banking, most recently chief operations and technology officer, leaving in January 2024.
• He later worked as an independent strategic consultant to a publicly traded banking institution from March 2025 to November 2025.

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. First Interstate BancSystem 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: 0000860413-26-000088), on August 21, 2026, and is solely responsible for the information contained therein.