On February 25, 2020, J. Emmett Patterson, a Class 1 Director, submitted his resignation, effective May 5, 2020, from the Boards of Directors of ACNB Corporation and ACNB Bank the Corporation’s wholly-owned subsidiary. Mr. Patterson has served as a member of the Corporation’s and the Bank’s Boards of Directors since 2012. His resignation is in conjunction with personal retirement plans, as well as in anticipation of the Corporation’s current mandatory retirement requirement by the end of 2020 due to attaining the age of seventy-two as provided for in the Corporation’s bylaws.