X0306 5 2019-12-31 0 0 0 0000715579 ACNB CORP ACNB 0001710866 Rasmussen Tom N 2603 LAUREN HILL COURT FINKSBURG MD 21048 0 0 0 1 ACNB Bank EVP ACNB Corporation Common 7594.137 D ACNB Corporation Common 4186.0053 I Trust The amount of securities beneficially owned includes 44.900000 aggregate shares of common stock acquired in 2019 through the automatic reinvestment of dividends under the ACNB Corporation Dividend Reinvestment and Stock Purchase Plan, which are exempt from the reporting requirements of Section 16 of the Securities Exchange Act of 1934. The amount of securities beneficially owned includes 111.36 aggregate shares of common stock acquired in 2019 through the automatic reinvestment of dividends under the ACNB Corporation Dividend Reinvestment and Stock Purchase Plan, which are exempt from the reporting requirements of Section 16 of the Securities Exchange Act of 1934. /s/ Tom N. Rasmussen 2020-02-12