Isabella Bank Director Jill Bourland Reports Acquisition of $300.001462 in Common Shares

• Isabella Bank director Jill Bourland purchased 8 common shares at $36.71 each.
• The purchase brought her direct holdings to 5,933 common shares.

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. Isabella Bank Corporation 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: 0000842517-26-000229), on October 20, 2026, and is solely responsible for the information contained therein.