Retirement of W. Michael McGuire as a Director for Isabella Bank Corporation and Isabella Bank At its regular meeting held October 23, 2019, the Board of Directors of Isabella Bank Corporation accepted the retirement of W. Michael McGuire from the Board of Directors of Isabella Bank Corporation and from the Board of Directors of the Corporation's subsidiary, Isabella Bank, as he has reached the mandatory retirement age under the Corporation's Bylaws. Mr. McGuire's retirement is effective October 23, 2019. On October 23, 2019, the Board of Directors of the Corporation appointed Vicki L. Rupp (age 60) to the Board of Directors of Isabella Bank Corporation and to the Board of Directors of Isabella Bank effective November 26, 2019. Ms. Rupp will serve a term as a director until the Corporation's Annual Meeting of Shareholders in 2020.