Form 3 Filing for Erika M. Ross

This filing is an initial report on Form 3 for Erika M. Ross, Chief Operations Officer of Isabella Bank Corporation. The form indicates that Ms. Ross directly owns 1042.2049 shares of the company's common stock following a transaction. A power of attorney document is also included, appointing specific individuals to act on Ms. Ross's behalf for SEC filings, including Forms 3, 4, and 5, in accordance with Section 16 of the Securities Exchange Act of 1934. This power of attorney remains effective until Ms. Ross is no longer required to file these forms or until it is revoked.