On February 24, 2021, the Board of Directors of the Corporation appointed Richard L. McGuirk (age 49) to the Board of Directors of Isabella Bank Corporation and to the Board of Directors of Isabella Bank effective March 31, 2021. Mr. McGuirk will serve a term as a director until the Corporation's Annual Meeting of Shareholders in 2021. The Board has determined that Mr. McGuirk is an "independent director" within the meaning of applicable rules and regulations of the Securities and Exchange Commission. Mr. McGuirk will serve on the Corporation's Loan and Trust committees. Also on February 24, 2021, the Board of Directors of the Corporation appointed Chad R. Payton (age 52) to the Board of Directors of Isabella Bank Corporation and to the Board of Directors of Isabella Bank effective March 31, 2021. Mr. Payton will serve a term as a director until the Corporation's Annual Meeting of Shareholders in 2022. The Board has determined that Mr. Payton is an "independent director" within the meaning of applicable rules and regulations of the Securities and Exchange Commission. Mr. Payton will serve on the Corporation's Audit, Information Technology and Finance committees.