ISABELLA BANK CORP

For the period ended May 5, 2026. Filed Mar 23, 2026.

About this filing

What shareholders are asked to vote on at a company's meeting. It is where to find what directors and top executives are paid, and who owns the most shares.

May 5, 2026 · Filed Mar 23, 2026

ISBA$40.64+0.0%Stored close · as of Nov 6, 2026

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Contents

Code of Ethics

The Corporation has adopted a Code of Conduct and Business Ethics that sets forth standards of ethical business conduct for the Corporation’s employees, including the CEO, CFO, and Controller. The purpose of the Code of Conduct and Business Ethics is to provide such covered individuals with a framework to deter wrongdoing and to promote honest and ethical conduct. Additionally, the Code of Business Conduct and Ethics is in conformity with the requirements of the Sarbanes-Oxley Act of 2002 and the Nasdaq Listing Rules. A copy of the Code of Conduct and Business Ethics is available in the Investor Relations section of the Corporation’s website at isabellabank.com.

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